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                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU JAN 01  18 14  19 02  19 31         04 45  06 28  06 57  07 45  01 19  05 49  12 18  11.0  1.7  15 0322+1853
 FRI JAN 02  18 15  19 03  19 32         05 42  06 28  06 57  07 45  01 24  05 53  12 22  10.9  0.8   7 0410+2228
 SAT JAN 03  18 16  19 03  19 33         06 38  06 28  06 58  07 45  01 29  05 57  12 26  10.9  0.0   0 0501+2507
 SUN JAN 04  18 16  19 04  19 33  16 25  07 33  06 29  06 58  07 46  01 33  06 01  12 31  10.9  0.0   0 0554+2640
 MON JAN 05  18 17  19 05  19 34  17 15         06 29  06 58  07 46  01 38  06 05  12 35  10.9  0.0   0 0648+2659
 TUE JAN 06  18 18  19 05  19 35  18 10         06 29  06 58  07 46  01 43  06 09  12 39  10.9  0.0   0 0742+2559
 WED JAN 07  18 19  19 06  19 35  19 09         06 29  06 58  07 46  01 47  06 12  12 43  10.9  0.0   0 0836+2342
 THU JAN 08  18 19  19 07  19 36  20 09         06 29  06 59  07 46  01 52  06 16  12 46  10.9  0.5   5 0928+2015
 FRI JAN 09  18 20  19 08  19 37  21 10         06 29  06 59  07 46  01 57  06 20  12 50  10.9  1.5  14 1018+1549
 SAT JAN 10  18 21  19 08  19 38  22 11         06 30  06 59  07 46  02 02  06 24  12 55  10.9  2.5  23 1107+1037
 SUN JAN 11  18 22  19 09  19 38  23 11         06 30  06 59  07 46  02 06  06 28  12 59  10.9  3.5  32 1154+0452
 MON JAN 12  18 23  19 10  19 39  00 12         06 30  06 59  07 46  02 10  06 32  13 03  10.9  4.6  41 1242-0111
 TUE JAN 13  18 23  19 11  19 40  01 15         06 30  06 59  07 46  02 15  06 36  13 07  10.8  5.6  51 1331-0720
 WED JAN 14  18 24  19 11  19 40  02 20         06 30  06 59  07 46  02 19  06 40  13 11  10.8  6.7  61 1423-1316
 THU JAN 15  18 25  19 12  19 41  03 29         06 30  06 59  07 46  02 24  06 44  13 15  10.8  7.8  72 1518-1837
 FRI JAN 16  18 26  19 13  19 42  04 39         06 30  06 59  07 46  02 29  06 48  13 19  10.8  8.9  82 1617-2259
 SAT JAN 17  18 27  19 14  19 43  05 50         06 29  06 58  07 45  02 34  06 52  13 22  10.8 10.1  93 1720-2555
 SUN JAN 18  18 28  19 15  19 44  06 57  16 15  06 29  06 58  07 45  02 39  06 56  13 26  10.7 10.7 100 1826-2704
 MON JAN 19  18 28  19 15  19 44  07 56  17 21  06 29  06 58  07 45  02 43  07 00  13 30  10.7 10.7 100 1932-2616
 TUE JAN 20  18 29  19 16  19 45         18 31  06 29  06 58  07 45  02 48  07 04  13 34  10.7 10.7 100 2036-2341
 WED JAN 21  18 30  19 17  19 46         19 41  06 29  06 58  07 44  02 53  07 08  13 38  10.7 10.7 100 2135-1939
 THU JAN 22  18 31  19 18  19 47         20 48  06 29  06 57  07 44  02 58  07 12  13 42  10.7  9.7  90 2229-1436
 FRI JAN 23  18 32  19 19  19 47         21 51  06 28  06 57  07 44  03 02  07 16  13 45  10.7  8.6  80 2320-0859
 SAT JAN 24  18 33  19 19  19 48         22 51  06 28  06 57  07 43  03 07  07 20  13 49  10.7  7.6  71 0007-0308
 SUN JAN 25  18 34  19 20  19 49         23 48  06 28  06 57  07 43  03 12  07 23  13 53  10.6  6.7  62 0052+0238
 MON JAN 26  18 35  19 21  19 50         00 44  06 28  06 56  07 42  03 17  07 27  13 56  10.6  5.7  53 0137+0811
 TUE JAN 27  18 35  19 22  19 50         01 40  06 27  06 56  07 42  03 21  07 31  13 59  10.6  4.8  45 0222+1318
 WED JAN 28  18 36  19 23  19 51         02 36  06 27  06 55  07 41  03 26  07 35  14 03  10.6  3.8  36 0307+1751
 THU JAN 29  18 37  19 23  19 52         03 33  06 26  06 55  07 41  03 31  07 39  14 06  10.6  2.9  27 0355+2140
 FRI JAN 30  18 38  19 24  19 53         04 30  06 26  06 54  07 40  03 35  07 43  14 10  10.6  1.9  18 0445+2436
 SAT JAN 31  18 39  19 25  19 53         05 25  06 26  06 54  07 40  03 39  07 47  14 14  10.6  1.0   9 0537+2628

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JAN 07   15:44  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JAN 15   04:49  UT
                All dates and times are zone CST   NEW MOON       JAN 21   21:07  UT
                in upper table (except sid time).  FIRST QUARTER  JAN 29   06:06  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN FEB 01  18 40  19 26  19 54         06 18  06 25  06 53  07 39  03 44  07 51  14 17  10.5  0.1   1 0631+2707
 MON FEB 02  18 41  19 26  19 55  16 01  07 07  06 25  06 53  07 39  03 49  07 55  14 21  10.5  0.0   0 0725+2628
 TUE FEB 03  18 41  19 27  19 56  16 59  07 50  06 24  06 52  07 38  03 54  07 59  14 24  10.5  0.0   0 0820+2430
 WED FEB 04  18 42  19 28  19 56  18 00         06 23  06 52  07 37  03 58  08 03  14 27  10.5  0.0   0 0913+2117
 THU FEB 05  18 43  19 29  19 57  19 02         06 23  06 51  07 37  04 03  08 07  14 31  10.4  0.0   0 1004+1700
 FRI FEB 06  18 44  19 30  19 58  20 04         06 22  06 51  07 36  04 08  08 11  14 34  10.4  0.1   0 1054+1151
 SAT FEB 07  18 45  19 30  19 59  21 05         06 22  06 50  07 35  04 13  08 15  14 38  10.4  1.1  10 1143+0605
 SUN FEB 08  18 46  19 31  19 59  22 07         06 21  06 49  07 35  04 17  08 19  14 41  10.4  2.1  20 1231-0001
 MON FEB 09  18 47  19 32  20 00  23 09         06 20  06 49  07 34  04 22  08 23  14 44  10.3  3.1  30 1320-0613
 TUE FEB 10  18 47  19 33  20 01  00 13         06 20  06 48  07 33  04 27  08 27  14 48  10.3  4.2  40 1410-1212
 WED FEB 11  18 48  19 33  20 02  01 19         06 19  06 47  07 32  04 32  08 30  14 51  10.3  5.3  51 1503-1738
 THU FEB 12  18 49  19 34  20 02  02 28         06 18  06 46  07 31  04 36  08 34  14 53  10.3  6.4  62 1600-2210
 FRI FEB 13  18 50  19 35  20 03  03 36         06 17  06 46  07 31  04 41  08 38  14 56  10.2  7.6  73 1701-2526
 SAT FEB 14  18 51  19 36  20 04  04 43         06 17  06 45  07 30  04 46  08 42  15 00  10.2  8.6  84 1804-2704
 SUN FEB 15  18 51  19 36  20 04  05 43         06 16  06 44  07 29  04 50  08 46  15 03  10.2  9.6  94 1909-2654
 MON FEB 16  18 52  19 37  20 05  06 36  16 11  06 15  06 43  07 28  04 55  08 50  15 06  10.2 10.2 100 2012-2456
 TUE FEB 17  18 53  19 38  20 06  07 21  17 20  06 14  06 42  07 27  04 59  08 54  15 09  10.1 10.1 100 2111-2125
 WED FEB 18  18 54  19 39  20 07  07 59  18 28  06 13  06 41  07 26  05 04  08 58  15 12  10.1 10.1 100 2207-1643
 THU FEB 19  18 55  19 39  20 07         19 32  06 12  06 40  07 25  05 08  09 02  15 15  10.1 10.1 100 2259-1115
 FRI FEB 20  18 55  19 40  20 08         20 34  06 12  06 39  07 24  05 13  09 06  15 19  10.1  9.6  95 2348-0522
 SAT FEB 21  18 56  19 41  20 09         21 33  06 11  06 39  07 23  05 18  09 10  15 22  10.0  8.6  86 0034+0034
 SUN FEB 22  18 57  19 41  20 09         22 31  06 10  06 38  07 22  05 22  09 14  15 25  10.0  7.7  76 0120+0621
 MON FEB 23  18 58  19 42  20 10         23 28  06 09  06 37  07 21  05 27  09 18  15 28  10.0  6.7  66 0205+1146
 TUE FEB 24  18 58  19 43  20 11         00 25  06 08  06 36  07 20  05 32  09 22  15 31  10.0  5.7  57 0251+1637
 WED FEB 25  18 59  19 44  20 11         01 22  06 07  06 35  07 19  05 36  09 26  15 34   9.9  4.8  47 0339+2045
 THU FEB 26  19 00  19 44  20 12         02 19  06 06  06 34  07 18  05 41  09 30  15 37   9.9  3.8  38 0428+2400
 FRI FEB 27  19 01  19 45  20 13         03 15  06 05  06 33  07 17  05 46  09 34  15 40   9.9  2.8  28 0519+2613
 SAT FEB 28  19 01  19 46  20 14         04 09  06 04  06 31  07 16  05 51  09 38  15 42   9.8  1.9  19 0612+2715
 SUN FEB 29  19 02  19 46  20 14         04 59  06 03  06 30  07 15  05 55  09 41  15 45   9.8  1.1  10 0707+2702

                ONE LINE REFERS TO EVENING DATE    FULL MOON      FEB 06   08:50  UT
                AND FOLLOWING MORNING.             LAST QUARTER   FEB 13   13:43  UT
                All dates and times are zone CST   NEW MOON       FEB 20   09:21  UT
                in upper table (except sid time).  FIRST QUARTER  FEB 28   03:26  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON MAR 01  19 03  19 47  20 15         05 45  06 01  06 29  07 14  06 00  09 45  15 47   9.8  0.3   2 0801+2529
 TUE MAR 02  19 03  19 48  20 16         06 25  06 00  06 28  07 12  06 05  09 49  15 50   9.7  0.0   0 0854+2239
 WED MAR 03  19 04  19 48  20 16  16 47  07 02  05 59  06 27  07 11  06 09  09 53  15 53   9.7  0.0   0 0947+1839
 THU MAR 04  19 05  19 49  20 17  17 50  07 35  05 58  06 26  07 10  06 14  09 57  15 56   9.7  0.0   0 1037+1340
 FRI MAR 05  19 05  19 50  20 18  18 53         05 57  06 25  07 09  06 19  10 01  15 59   9.7  0.0   0 1127+0756
 SAT MAR 06  19 06  19 50  20 18  19 56         05 56  06 24  07 08  06 22  10 05  16 02   9.6  0.0   0 1216+0142
 SUN MAR 07  19 07  19 51  20 19  21 00         05 55  06 23  07 07  06 27  10 09  16 05   9.6  0.7   7 1306-0441
 MON MAR 08  19 08  19 52  20 20  22 05         05 53  06 21  07 06  06 32  10 13  16 07   9.5  1.8  18 1357-1056
 TUE MAR 09  19 08  19 52  20 20  23 11         05 52  06 20  07 04  06 36  10 17  16 10   9.5  2.8  29 1450-1639
 WED MAR 10  19 09  19 53  20 21  00 20         05 51  06 19  07 03  06 41  10 21  16 13   9.5  4.0  41 1547-2129
 THU MAR 11  19 10  19 54  20 22  01 29         05 50  06 18  07 02  06 46  10 25  16 16   9.5  5.1  54 1647-2504
 FRI MAR 12  19 10  19 54  20 22  02 36         05 49  06 17  07 01  06 50  10 29  16 19   9.4  6.2  65 1749-2704
 SAT MAR 13  19 11  19 55  20 23  03 37         05 47  06 15  07 00  06 55  10 33  16 21   9.4  7.2  76 1853-2719
 SUN MAR 14  19 12  19 56  20 24  04 31         05 46  06 14  06 58  07 00  10 37  16 24   9.4  8.1  86 1955-2548
 MON MAR 15  19 12  19 56  20 25  05 17         05 45  06 13  06 57  07 05  10 41  16 27   9.3  8.9  95 2054-2244
 TUE MAR 16  19 13  19 57  20 25  05 56  16 13  05 44  06 12  06 56  07 09  10 45  16 29   9.3  9.3 100 2150-1825
 WED MAR 17  19 13  19 58  20 26  06 31  17 18  05 42  06 10  06 55  07 14  10 48  16 31   9.3  9.3 100 2242-1313
 THU MAR 18  19 14  19 58  20 27  07 01  18 20  05 41  06 09  06 53  07 19  10 52  16 34   9.2  9.2 100 2331-0729
 FRI MAR 19  19 15  19 59  20 27  07 30  19 20  05 40  06 08  06 52  07 23  10 56  16 37   9.2  9.2 100 0017-0132
 SAT MAR 20  19 15  20 00  20 28  07 58  20 18  05 38  06 07  06 51  07 28  11 00  16 39   9.2  9.2 100 0103+0422
 SUN MAR 21  19 16  20 00  20 29         21 15  05 37  06 05  06 50  07 33  11 04  16 42   9.1  8.4  91 0148+0959
 MON MAR 22  19 17  20 01  20 29         22 13  05 36  06 04  06 48  07 37  11 08  16 45   9.1  7.4  80 0234+1508
 TUE MAR 23  19 17  20 02  20 30         23 11  05 34  06 03  06 47  07 42  11 12  16 47   9.1  6.4  70 0322+1935
 WED MAR 24  19 18  20 02  20 31         00 08  05 33  06 02  06 46  07 46  11 16  16 50   9.0  5.4  59 0411+2312
 THU MAR 25  19 19  20 03  20 32         01 05  05 32  06 00  06 45  07 51  11 20  16 53   9.0  4.4  49 0502+2548
 FRI MAR 26  19 19  20 04  20 32         02 00  05 30  05 59  06 44  07 55  11 24  16 55   9.0  3.5  39 0554+2715
 SAT MAR 27  19 20  20 04  20 33         02 52  05 29  05 58  06 42  08 00  11 28  16 58   8.9  2.6  29 0648+2727
 SUN MAR 28  19 21  20 05  20 34         03 38  05 28  05 56  06 41  08 05  11 32  17 01   8.9  1.8  20 0742+2622
 MON MAR 29  19 21  20 06  20 35         04 20  05 26  05 55  06 40  08 10  11 36  17 03   8.8  1.1  12 0835+2400
 TUE MAR 30  19 22  20 07  20 35         04 58  05 25  05 54  06 39  08 14  11 40  17 06   8.8  0.4   5 0927+2027
 WED MAR 31  19 22  20 07  20 36         05 32  05 24  05 53  06 37  08 19  11 44  17 09   8.8  0.0   0 1018+1550

                ONE LINE REFERS TO EVENING DATE    FULL MOON      MAR 06   23:17  UT
                AND FOLLOWING MORNING.             LAST QUARTER   MAR 13   21:04  UT
                All dates and times are zone CST   NEW MOON       MAR 20   22:44  UT
                in upper table (except sid time).  FIRST QUARTER  MAR 28   23:50  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU APR 01  19 23  20 08  20 37  16 35  06 04  05 22  05 51  06 36  08 24  11 48  17 10   8.8  0.0   0 1107+1020
 FRI APR 02  19 24  20 09  20 38  17 38  06 35  05 21  05 50  06 35  08 29  11 52  17 13   8.7  0.0   0 1157+0412
 SAT APR 03  19 24  20 09  20 38  18 43  07 06  05 20  05 49  06 34  08 33  11 55  17 16   8.7  0.0   0 1247-0217
 SUN APR 04  19 25  20 10  20 39  19 48  07 40  05 18  05 47  06 32  08 38  11 59  17 18   8.7  0.0   0 1338-0849
 MON APR 05  19 26  20 11  20 40  20 57         05 17  05 46  06 31  08 43  12 03  17 21   8.6  0.3   3 1432-1457
 TUE APR 06  19 26  20 11  20 41  22 07         05 16  05 45  06 30  08 48  12 07  17 24   8.6  1.4  16 1530-2018
 WED APR 07  19 27  20 12  20 42  23 19         05 14  05 44  06 29  08 53  12 11  17 26   8.5  2.6  30 1630-2424
 THU APR 08  19 27  20 13  20 42  00 28         05 13  05 42  06 28  08 57  12 15  17 29   8.5  3.8  44 1734-2653
 FRI APR 09  19 28  20 14  20 43  01 33         05 12  05 41  06 26  09 02  12 19  17 32   8.5  4.8  56 1838-2734
 SAT APR 10  19 29  20 14  20 44  02 29         05 10  05 40  06 25  09 07  12 23  17 34   8.4  5.7  68 1941-2626
 SUN APR 11  19 29  20 15  20 45  03 17         05 09  05 38  06 24  09 11  12 27  17 37   8.4  6.5  77 2041-2341
 MON APR 12  19 30  20 16  20 46  03 58         05 07  05 37  06 23  09 16  12 31  17 39   8.4  7.2  86 2137-1939
 TUE APR 13  19 31  20 17  20 46  04 33         05 06  05 36  06 22  09 20  12 35  17 42   8.3  7.8  93 2229-1441
 WED APR 14  19 31  20 17  20 47  05 03  16 12  05 05  05 35  06 21  09 25  12 39  17 45   8.3  8.3  99 2318-0908
 THU APR 15  19 32  20 18  20 48  05 32  17 11  05 03  05 34  06 20  09 30  12 43  17 47   8.3  8.3 100 0004-0317
 FRI APR 16  19 33  20 19  20 49  06 00  18 09  05 02  05 32  06 18  09 35  12 47  17 50   8.2  8.2 100 0049+0235
 SAT APR 17  19 33  20 20  20 50  06 27  19 06  05 01  05 31  06 17  09 40  12 51  17 53   8.2  8.2 100 0134+0817
 SUN APR 18  19 34  20 20  20 51  06 57  20 03  05 00  05 30  06 16  09 45  12 55  17 55   8.1  8.1 100 0220+1336
 MON APR 19  19 35  20 21  20 52  07 29  21 00  04 58  05 29  06 15  09 50  12 59  17 57   8.1  8.0  98 0307+1818
 TUE APR 20  19 35  20 22  20 52         21 58  04 57  05 27  06 14  09 54  13 03  18 00   8.1  7.0  86 0355+2213
 WED APR 21  19 36  20 23  20 53         22 56  04 56  05 26  06 13  09 59  13 06  18 03   8.1  6.0  74 0445+2511
 THU APR 22  19 37  20 23  20 54         23 52  04 54  05 25  06 12  10 04  13 10  18 05   8.0  5.0  62 0538+2700
 FRI APR 23  19 37  20 24  20 55         00 45  04 53  05 24  06 11  10 09  13 14  18 08   8.0  4.1  51 0631+2737
 SAT APR 24  19 38  20 25  20 56         01 33  04 52  05 23  06 10  10 14  13 18  18 11   7.9  3.3  41 0724+2657
 SUN APR 25  19 39  20 26  20 57         02 16  04 51  05 22  06 09  10 19  13 22  18 14   7.9  2.6  32 0817+2501
 MON APR 26  19 39  20 27  20 58         02 54  04 49  05 21  06 08  10 24  13 26  18 16   7.8  1.9  24 0908+2155
 TUE APR 27  19 40  20 27  20 59         03 29  04 48  05 19  06 07  10 29  13 30  18 19   7.8  1.3  16 0959+1746
 WED APR 28  19 41  20 28  21 00         04 01  04 47  05 18  06 06  10 34  13 34  18 22   7.8  0.8   9 1048+1241
 THU APR 29  19 41  20 29  21 01         04 31  04 46  05 17  06 05  10 39  13 38  18 25   7.8  0.2   3 1136+0652
 FRI APR 30  19 42  20 30  21 01  16 22  05 02  04 45  05 16  06 04  10 42  13 42  18 28   7.7  0.0   0 1225+0032

                ONE LINE REFERS TO EVENING DATE    FULL MOON      APR 05   11:05  UT
                AND FOLLOWING MORNING.             LAST QUARTER   APR 12   03:50  UT
                All dates and times are zone CST   NEW MOON       APR 19   13:23  UT
                in upper table (except sid time).  FIRST QUARTER  APR 27   17:35  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT MAY 01  19 43  20 31  21 02  17 27  05 35  04 43  05 15  06 03  10 47  13 46  18 30   7.7  0.0   0 1316-0601
 SUN MAY 02  19 43  20 31  21 03  18 34  06 10  04 42  05 14  06 02  10 52  13 50  18 33   7.7  0.0   0 1409-1226
 MON MAY 03  19 44  20 32  21 04  19 45  06 51  04 41  05 13  06 01  10 57  13 54  18 36   7.6  0.0   0 1506-1816
 TUE MAY 04  19 45  20 33  21 05  20 58  07 40  04 40  05 12  06 00  11 02  13 58  18 38   7.6  0.0   0 1607-2302
 WED MAY 05  19 45  20 34  21 06  22 12         04 39  05 11  06 00  11 07  14 02  18 41   7.5  1.1  14 1712-2615
 THU MAY 06  19 46  20 35  21 07  23 21         04 38  05 10  05 59  11 12  14 06  18 44   7.5  2.2  29 1818-2735
 FRI MAY 07  19 47  20 36  21 08  00 23         04 37  05 09  05 58  11 17  14 10  18 47   7.5  3.3  43 1924-2657
 SAT MAY 08  19 48  20 36  21 09  01 15         04 36  05 08  05 57  11 22  14 13  18 50   7.5  4.1  55 2026-2433
 SUN MAY 09  19 48  20 37  21 10  01 59         04 35  05 07  05 56  11 27  14 17  18 53   7.4  4.8  64 2124-2044
 MON MAY 10  19 49  20 38  21 11  02 35         04 34  05 07  05 56  11 32  14 21  18 56   7.4  5.4  73 2218-1554
 TUE MAY 11  19 50  20 39  21 12  03 07         04 33  05 06  05 55  11 37  14 25  18 59   7.3  5.9  80 2307-1027
 WED MAY 12  19 50  20 40  21 13  03 36         04 32  05 05  05 54  11 42  14 29  19 02   7.3  6.4  87 2354-0440
 THU MAY 13  19 51  20 40  21 14  04 03  16 03  04 31  05 04  05 54  11 47  14 33  19 05   7.3  6.8  93 0039+0110
 FRI MAY 14  19 52  20 41  21 15  04 31  17 00  04 30  05 03  05 53  11 52  14 37  19 08   7.2  7.2 100 0123+0652
 SAT MAY 15  19 52  20 42  21 16  04 59  17 56  04 29  05 02  05 52  11 57  14 41  19 11   7.2  7.2 100 0208+1214
 SUN MAY 16  19 53  20 43  21 16  05 30  18 53  04 28  05 02  05 52  12 01  14 45  19 14   7.2  7.2 100 0254+1705
 MON MAY 17  19 54  20 44  21 17  06 04  19 50  04 27  05 01  05 51  12 06  14 49  19 17   7.2  7.2 100 0342+2113
 TUE MAY 18  19 54  20 44  21 18  06 43  20 48  04 26  05 00  05 50  12 10  14 53  19 20   7.1  7.1 100 0431+2427
 WED MAY 19  19 55  20 45  21 19  07 27  21 45  04 26  05 00  05 50  12 15  14 57  19 24   7.1  6.7  93 0523+2636
 THU MAY 20  19 56  20 46  21 20         22 39  04 25  04 59  05 49  12 20  15 01  19 27   7.1  5.8  81 0616+2733
 FRI MAY 21  19 56  20 47  21 21         23 29  04 24  04 58  05 49  12 25  15 05  19 29   7.0  4.9  69 0709+2714
 SAT MAY 22  19 57  20 48  21 22         00 13  04 23  04 58  05 48  12 30  15 09  19 32   7.0  4.2  59 0802+2539
 SUN MAY 23  19 58  20 48  21 23         00 53  04 23  04 57  05 48  12 35  15 13  19 36   7.0  3.5  49 0853+2254
 MON MAY 24  19 58  20 49  21 24         01 28  04 22  04 57  05 47  12 40  15 17  19 39   7.0  2.9  41 0943+1907
 TUE MAY 25  19 59  20 50  21 24         02 00  04 21  04 56  05 47  12 44  15 21  19 42   7.0  2.3  33 1031+1425
 WED MAY 26  19 59  20 51  21 25         02 30  04 21  04 56  05 47  12 49  15 24  19 46   6.9  1.8  26 1119+0900
 THU MAY 27  20 00  20 51  21 26         02 59  04 20  04 55  05 46  12 54  15 28  19 49   6.9  1.4  19 1206+0300
 FRI MAY 28  20 01  20 52  21 27         03 30  04 20  04 55  05 46  12 59  15 32  19 53   6.9  0.8  12 1255-0319
 SAT MAY 29  20 01  20 53  21 28  16 11  04 03  04 19  04 54  05 46  13 04  15 36  19 56   6.8  0.3   3 1346-0943
 SUN MAY 30  20 02  20 53  21 28  17 19  04 41  04 19  04 54  05 45  13 08  15 40  20 00   6.8  0.0   0 1440-1547
 MON MAY 31  20 02  20 54  21 29  18 31  05 25  04 18  04 54  05 45  13 13  15 44  20 03   6.8  0.0   0 1539-2105

                ONE LINE REFERS TO EVENING DATE    FULL MOON      MAY 04   20:35  UT
                AND FOLLOWING MORNING.             LAST QUARTER   MAY 11   11:07  UT
                All dates and times are zone CST   NEW MOON       MAY 19   04:53  UT
                in upper table (except sid time).  FIRST QUARTER  MAY 27   08:00  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE JUN 01  20 03  20 55  21 30  19 46  06 19  04 18  04 53  05 45  13 18  15 48  20 07   6.8  0.0   0 1643-2503
 WED JUN 02  20 03  20 55  21 31  21 00  07 21  04 17  04 53  05 45  13 23  15 52  20 10   6.8  0.0   0 1750-2714
 THU JUN 03  20 04  20 56  21 31  22 07         04 17  04 53  05 44  13 27  15 56  20 14   6.8  0.6   8 1858-2722
 FRI JUN 04  20 04  20 56  21 32  23 06         04 17  04 52  05 44  13 32  16 00  20 18   6.8  1.6  23 2004-2531
 SAT JUN 05  20 05  20 57  21 33  23 55         04 16  04 52  05 44  13 36  16 04  20 21   6.7  2.4  35 2106-2200
 SUN JUN 06  20 05  20 58  21 33  00 35         04 16  04 52  05 44  13 40  16 08  20 25   6.7  3.0  45 2202-1717
 MON JUN 07  20 06  20 58  21 34  01 09         04 16  04 52  05 44  13 45  16 12  20 28   6.7  3.6  53 2254-1150
 TUE JUN 08  20 06  20 59  21 35  01 39         04 16  04 52  05 44  13 50  16 16  20 32   6.7  4.1  60 2342-0601
 WED JUN 09  20 07  20 59  21 35  02 07         04 16  04 52  05 44  13 54  16 20  20 36   6.7  4.5  67 0028-0006
 THU JUN 10  20 07  21 00  21 36  02 34         04 15  04 51  05 44  13 59  16 24  20 39   6.6  5.0  74 0112+0538
 FRI JUN 11  20 08  21 00  21 36  03 02         04 15  04 51  05 44  14 03  16 28  20 43   6.6  5.4  81 0157+1105
 SAT JUN 12  20 08  21 01  21 37  03 32  16 48  04 15  04 51  05 44  14 08  16 31  20 47   6.6  5.9  89 0242+1602
 SUN JUN 13  20 08  21 01  21 37  04 05  17 45  04 15  04 51  05 44  14 12  16 35  20 51   6.6  6.5  97 0330+2019
 MON JUN 14  20 09  21 01  21 38  04 42  18 42  04 15  04 51  05 44  14 17  16 39  20 55   6.6  6.6 100 0419+2345
 TUE JUN 15  20 09  21 02  21 38  05 25  19 39  04 15  04 52  05 44  14 21  16 43  20 59   6.6  6.6 100 0510+2609
 WED JUN 16  20 09  21 02  21 38  06 12  20 34  04 15  04 52  05 44  14 25  16 47  21 03   6.6  6.6 100 0602+2723
 THU JUN 17  20 10  21 02  21 39  07 05  21 25  04 15  04 52  05 44  14 30  16 51  21 07   6.6  6.6 100 0656+2722
 FRI JUN 18  20 10  21 03  21 39         22 11  04 16  04 52  05 45  14 34  16 55  21 12   6.6  6.1  91 0749+2604
 SAT JUN 19  20 10  21 03  21 39         22 52  04 16  04 52  05 45  14 38  16 59  21 16   6.6  5.4  81 0840+2335
 SUN JUN 20  20 11  21 03  21 39         23 29  04 16  04 52  05 45  14 42  17 03  21 20   6.6  4.8  72 0930+2002
 MON JUN 21  20 11  21 03  21 40         00 01  04 16  04 53  05 45  14 47  17 07  21 24   6.6  4.3  64 1018+1535
 TUE JUN 22  20 11  21 04  21 40         00 31  04 16  04 53  05 45  14 51  17 11  21 28   6.6  3.8  56 1105+1025
 WED JUN 23  20 11  21 04  21 40         01 00  04 17  04 53  05 46  14 54  17 15  21 33   6.6  3.3  49 1151+0442
 THU JUN 24  20 11  21 04  21 40         01 29  04 17  04 53  05 46  14 58  17 19  21 36   6.6  2.8  42 1238-0121
 FRI JUN 25  20 11  21 04  21 40         02 00  04 17  04 54  05 46  15 02  17 23  21 40   6.6  2.3  34 1327-0732
 SAT JUN 26  20 12  21 04  21 40         02 34  04 18  04 54  05 47  15 06  17 27  21 45   6.6  1.7  26 1418-1335
 SUN JUN 27  20 12  21 04  21 40  16 08  03 14  04 18  04 54  05 47  15 10  17 31  21 49   6.6  1.1  16 1514-1905
 MON JUN 28  20 12  21 04  21 40  17 20  04 01  04 19  04 55  05 47  15 14  17 35  21 54   6.7  0.3   4 1614-2334
 TUE JUN 29  20 12  21 04  21 40  18 33  04 59  04 19  04 55  05 48  15 18  17 38  21 58   6.7  0.0   0 1720-2631
 WED JUN 30  20 12  21 04  21 40  19 45  06 05  04 20  04 56  05 48  15 22  17 42  22 03   6.7  0.0   0 1828-2732

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUN 03   04:22  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUN 09   20:06  UT
                All dates and times are zone CST   NEW MOON       JUN 17   20:30  UT
                in upper table (except sid time).  FIRST QUARTER  JUN 25   19:11  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU JUL 01  20 12  21 04  21 40  20 49  07 17  04 20  04 56  05 48  15 26  17 46  22 07   6.7  0.0   0 1936-2628
 FRI JUL 02  20 12  21 04  21 40  21 43         04 21  04 57  05 49  15 30  17 50  22 12   6.7  0.1   0 2041-2330
 SAT JUL 03  20 12  21 04  21 40  22 29         04 21  04 57  05 49  15 34  17 54  22 16   6.7  0.8  12 2141-1904
 SUN JUL 04  20 11  21 04  21 39  23 06         04 22  04 58  05 50  15 37  17 58  22 21   6.7  1.5  21 2236-1339
 MON JUL 05  20 11  21 03  21 39  23 39         04 22  04 58  05 50  15 41  18 02  22 25   6.7  2.0  29 2327-0744
 TUE JUL 06  20 11  21 03  21 39  00 09         04 23  04 59  05 51  15 45  18 06  22 30   6.7  2.5  37 0014-0140
 WED JUL 07  20 11  21 03  21 39  00 37         04 24  04 59  05 51  15 49  18 10  22 35   6.8  3.0  43 0100+0416
 THU JUL 08  20 11  21 03  21 38  01 05         04 24  05 00  05 52  15 52  18 14  22 39   6.8  3.5  50 0145+0953
 FRI JUL 09  20 11  21 02  21 38  01 34         04 25  05 00  05 52  15 56  18 18  22 44   6.8  3.9  57 0230+1500
 SAT JUL 10  20 10  21 02  21 37  02 06         04 26  05 01  05 53  15 58  18 22  22 49   6.8  4.5  65 0317+1927
 SUN JUL 11  20 10  21 02  21 37  02 42  16 36  04 26  05 02  05 53  16 02  18 26  22 53   6.8  5.1  74 0406+2305
 MON JUL 12  20 10  21 01  21 36  03 22  17 33  04 27  05 02  05 54  16 05  18 30  22 57   6.8  5.8  84 0457+2544
 TUE JUL 13  20 10  21 01  21 36  04 09  18 29  04 28  05 03  05 54  16 09  18 34  23 02   6.9  6.5  95 0549+2714
 WED JUL 14  20 09  21 00  21 35  05 00  19 22  04 29  05 04  05 55  16 12  18 38  23 07   6.9  6.9 100 0642+2729
 THU JUL 15  20 09  21 00  21 35  05 56  20 10  04 30  05 04  05 56  16 16  18 42  23 12   6.9  6.9 100 0736+2628
 FRI JUL 16  20 08  20 59  21 34  06 54  20 52  04 30  05 05  05 56  16 19  18 46  23 16   6.9  6.9 100 0828+2413
 SAT JUL 17  20 08  20 59  21 34  07 53  21 30  04 31  05 06  05 57  16 23  18 49  23 21   6.9  6.9 100 0918+2051
 SUN JUL 18  20 08  20 58  21 33         22 03  04 32  05 06  05 57  16 26  18 53  23 26   7.0  6.5  92 1007+1632
 MON JUL 19  20 07  20 58  21 32         22 34  04 33  05 07  05 58  16 29  18 57  23 31   7.0  6.0  85 1054+1129
 TUE JUL 20  20 07  20 57  21 31         23 03  04 34  05 08  05 58  16 32  19 01  23 36   7.1  5.5  78 1140+0553
 WED JUL 21  20 06  20 57  21 31         23 31  04 34  05 09  05 59  16 36  19 05  23 40   7.1  5.1  71 1226-0003
 THU JUL 22  20 06  20 56  21 30         00 00  04 35  05 09  06 00  16 39  19 09  23 45   7.1  4.6  64 1313-0607
 FRI JUL 23  20 05  20 55  21 29         00 32  04 36  05 10  06 00  16 42  19 13  23 50   7.1  4.1  57 1402-1204
 SAT JUL 24  20 04  20 54  21 28         01 08  04 37  05 11  06 01  16 45  19 17  23 55   7.1  3.5  48 1455-1735
 SUN JUL 25  20 04  20 54  21 27         01 51  04 38  05 12  06 02  16 48  19 21  00 00   7.2  2.8  38 1552-2217
 MON JUL 26  20 03  20 53  21 27  16 12  02 42  04 39  05 12  06 02  16 52  19 25  00 05   7.2  2.0  27 1654-2543
 TUE JUL 27  20 02  20 52  21 26  17 23  03 43  04 40  05 13  06 03  16 54  19 29  00 10   7.2  0.9  13 1800-2727
 WED JUL 28  20 02  20 51  21 25  18 30  04 52  04 41  05 14  06 03  16 57  19 33  00 15   7.3  0.0   0 1907-2713
 THU JUL 29  20 01  20 51  21 24  19 28  06 05  04 41  05 15  06 04  17 00  19 37  00 19   7.3  0.0   0 2013-2459
 FRI JUL 30  20 00  20 50  21 23  20 18  07 17  04 42  05 15  06 05  17 03  19 41  00 23   7.3  0.0   0 2115-2104
 SAT JUL 31  20 00  20 49  21 22  21 00         04 43  05 16  06 05  17 06  19 45  00 28   7.3  0.0   0 2213-1554

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUL 02   11:12  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUL 09   07:37  UT
                All dates and times are zone CST   NEW MOON       JUL 17   11:29  UT
                in upper table (except sid time).  FIRST QUARTER  JUL 25   03:40  UT
                                                   FULL MOON      JUL 31   18:08  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN AUG 01  19 59  20 48  21 21  21 35         04 44  05 17  06 06  17 09  19 49  00 33   7.4  0.2   3 2306-0959
 MON AUG 02  19 58  20 47  21 20  22 07         04 45  05 18  06 07  17 12  19 53  00 38   7.4  0.8  10 2356-0345
 TUE AUG 03  19 57  20 46  21 19  22 36         04 46  05 19  06 07  17 15  19 56  00 43   7.4  1.3  17 0044+0226
 WED AUG 04  19 56  20 45  21 18  23 05         04 47  05 19  06 08  17 18  20 00  00 48   7.5  1.8  23 0130+0820
 THU AUG 05  19 56  20 44  21 17  23 34         04 48  05 20  06 09  17 21  20 04  00 53   7.5  2.3  30 0216+1344
 FRI AUG 06  19 55  20 43  21 15  00 05         04 49  05 21  06 09  17 23  20 08  00 58   7.6  2.8  37 0303+1828
 SAT AUG 07  19 54  20 42  21 14  00 40         04 50  05 22  06 10  17 26  20 12  01 03   7.6  3.4  45 0352+2222
 SUN AUG 08  19 53  20 41  21 13  01 19         04 50  05 22  06 11  17 29  20 16  01 07   7.6  4.1  53 0442+2518
 MON AUG 09  19 52  20 40  21 12  02 04  16 23  04 51  05 23  06 11  17 32  20 20  01 12   7.6  4.9  63 0534+2706
 TUE AUG 10  19 51  20 39  21 11  02 54  17 17  04 52  05 24  06 12  17 35  20 24  01 17   7.7  5.7  74 0628+2740
 WED AUG 11  19 50  20 38  21 10  03 48  18 06  04 53  05 25  06 12  17 38  20 28  01 22   7.7  6.6  85 0721+2657
 THU AUG 12  19 49  20 37  21 08  04 46  18 51  04 54  05 25  06 13  17 39  20 32  01 27   7.8  7.6  98 0814+2459
 FRI AUG 13  19 48  20 36  21 07  05 46  19 30  04 55  05 26  06 14  17 42  20 36  01 32   7.8  7.8 100 0905+2150
 SAT AUG 14  19 47  20 35  21 06  06 45  20 05  04 56  05 27  06 14  17 45  20 40  01 37   7.8  7.8 100 0955+1740
 SUN AUG 15  19 46  20 33  21 05  07 45  20 37  04 56  05 28  06 15  17 48  20 44  01 41   7.8  7.8 100 1042+1242
 MON AUG 16  19 45  20 32  21 03         21 06  04 57  05 28  06 16  17 50  20 48  01 46   7.9  7.8  99 1129+0706
 TUE AUG 17  19 44  20 31  21 02         21 34  04 58  05 29  06 16  17 53  20 52  01 50   7.9  7.4  93 1215+0108
 WED AUG 18  19 43  20 30  21 01         22 03  04 59  05 30  06 17  17 56  20 56  01 55   8.0  6.9  87 1302-0458
 THU AUG 19  19 42  20 29  20 59         22 34  05 00  05 31  06 17  17 58  21 00  02 00   8.0  6.4  80 1350-1058
 FRI AUG 20  19 41  20 28  20 58         23 08  05 01  05 31  06 18  18 01  21 04  02 05   8.0  5.9  73 1442-1633
 SAT AUG 21  19 40  20 26  20 57         23 47  05 02  05 32  06 19  18 04  21 07  02 10   8.1  5.3  64 1536-2124
 SUN AUG 22  19 39  20 25  20 56         00 34  05 02  05 33  06 19  18 07  21 11  02 14   8.1  4.5  55 1636-2507
 MON AUG 23  19 38  20 24  20 54         01 30  05 03  05 33  06 20  18 09  21 15  02 19   8.2  3.6  43 1738-2718
 TUE AUG 24  19 36  20 23  20 53  16 15  02 34  05 04  05 34  06 20  18 12  21 19  02 24   8.2  2.5  30 1844-2741
 WED AUG 25  19 35  20 21  20 52  17 16  03 43  05 05  05 35  06 21  18 15  21 23  02 29   8.2  1.4  16 1949-2608
 THU AUG 26  19 34  20 20  20 50  18 08  04 55  05 06  05 36  06 22  18 17  21 27  02 34   8.3  0.2   2 2051-2251
 FRI AUG 27  19 33  20 19  20 49  18 52  06 05  05 06  05 36  06 22  18 20  21 31  02 38   8.3  0.0   0 2150-1808
 SAT AUG 28  19 32  20 18  20 47  19 30  07 12  05 07  05 37  06 23  18 22  21 35  02 43   8.3  0.0   0 2245-1227
 SUN AUG 29  19 31  20 16  20 46  20 03         05 08  05 38  06 23  18 24  21 39  02 48   8.4  0.0   0 2336-0614
 MON AUG 30  19 29  20 15  20 45  20 34         05 09  05 38  06 24  18 27  21 43  02 53   8.4  0.0   0 0025+0006
 TUE AUG 31  19 28  20 14  20 43  21 03         05 09  05 39  06 25  18 29  21 47  02 57   8.4  0.3   3 0112+0617

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   AUG 07   22:05  UT
                AND FOLLOWING MORNING.             NEW MOON       AUG 16   01:28  UT
                All dates and times are zone CST   FIRST QUARTER  AUG 23   10:14  UT
                in upper table (except sid time).  FULL MOON      AUG 30   02:26  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED SEP 01  19 27  20 12  20 42  21 32         05 10  05 40  06 25  18 32  21 51  03 02   8.5  0.8   9 0159+1202
 THU SEP 02  19 26  20 11  20 41  22 03         05 11  05 40  06 26  18 35  21 55  03 07   8.5  1.4  16 0247+1708
 FRI SEP 03  19 25  20 10  20 39  22 37         05 12  05 41  06 26  18 37  21 59  03 12   8.6  2.0  23 0335+2125
 SAT SEP 04  19 23  20 08  20 38  23 14         05 12  05 42  06 27  18 40  22 03  03 16   8.6  2.6  30 0426+2442
 SUN SEP 05  19 22  20 07  20 36  23 57         05 13  05 42  06 27  18 42  22 07  03 20   8.6  3.4  38 0518+2652
 MON SEP 06  19 21  20 06  20 35  00 45         05 14  05 43  06 28  18 45  22 11  03 25   8.6  4.2  48 0611+2749
 TUE SEP 07  19 20  20 05  20 34  01 39         05 15  05 44  06 29  18 48  22 14  03 30   8.7  5.1  58 0704+2729
 WED SEP 08  19 18  20 03  20 32  02 36  16 47  05 15  05 44  06 29  18 50  22 18  03 34   8.7  6.1  69 0758+2552
 THU SEP 09  19 17  20 02  20 31  03 35  17 28  05 16  05 45  06 30  18 53  22 22  03 39   8.8  7.1  80 0849+2302
 FRI SEP 10  19 16  20 01  20 29  04 35  18 05  05 17  05 45  06 30  18 55  22 26  03 44   8.8  8.1  92 0939+1908
 SAT SEP 11  19 14  19 59  20 28  05 35  18 37  05 17  05 46  06 31  18 58  22 30  03 48   8.8  8.8 100 1028+1419
 SUN SEP 12  19 13  19 58  20 27  06 34  19 08  05 18  05 47  06 31  19 01  22 34  03 53   8.8  8.8 100 1115+0848
 MON SEP 13  19 12  19 57  20 25  07 35  19 36  05 19  05 47  06 32  19 03  22 38  03 58   8.9  8.9 100 1202+0247
 TUE SEP 14  19 11  19 55  20 24         20 05  05 19  05 48  06 33  19 05  22 42  04 02   8.9  8.9 100 1249-0327
 WED SEP 15  19 09  19 54  20 22         20 36  05 20  05 49  06 33  19 07  22 46  04 07   9.0  8.7  97 1338-0938
 THU SEP 16  19 08  19 53  20 21         21 09  05 21  05 49  06 34  19 10  22 50  04 12   9.0  8.2  91 1429-1528
 FRI SEP 17  19 07  19 51  20 20         21 47  05 21  05 50  06 34  19 13  22 54  04 16   9.0  7.6  83 1524-2035
 SAT SEP 18  19 06  19 50  20 18         22 31  05 22  05 50  06 35  19 15  22 58  04 21   9.1  6.9  75 1622-2435
 SUN SEP 19  19 04  19 49  20 17         23 24  05 23  05 51  06 35  19 18  23 02  04 26   9.1  6.0  65 1723-2708
 MON SEP 20  19 03  19 47  20 16         00 24  05 23  05 52  06 36  19 21  23 06  04 30   9.1  5.0  54 1827-2757
 TUE SEP 21  19 02  19 46  20 14         01 30  05 24  05 52  06 37  19 23  23 10  04 35   9.2  3.9  42 1931-2654
 WED SEP 22  19 00  19 45  20 13  16 03  02 40  05 25  05 53  06 37  19 26  23 14  04 40   9.2  2.7  29 2033-2408
 THU SEP 23  18 59  19 43  20 12  16 48  03 49  05 25  05 53  06 38  19 29  23 18  04 43   9.2  1.6  17 2131-1954
 FRI SEP 24  18 58  19 42  20 10  17 27  04 56  05 26  05 54  06 38  19 31  23 22  04 48   9.3  0.5   5 2226-1435
 SAT SEP 25  18 57  19 41  20 09  18 01  06 00  05 26  05 55  06 39  19 34  23 25  04 52   9.3  0.0   0 2317-0836
 SUN SEP 26  18 55  19 40  20 08  18 32  07 02  05 27  05 55  06 39  19 37  23 29  04 57   9.3  0.0   0 0006-0217
 MON SEP 27  18 54  19 38  20 06  19 01         05 28  05 56  06 40  19 39  23 33  05 02   9.4  0.0   0 0054+0359
 TUE SEP 28  18 53  19 37  20 05  19 30         05 28  05 56  06 41  19 42  23 37  05 06   9.4  0.0   0 0141+0959
 WED SEP 29  18 52  19 36  20 04  20 01         05 29  05 57  06 41  19 45  23 41  05 11   9.4  0.0   0 0228+1526
 THU SEP 30  18 50  19 34  20 02  20 33         05 30  05 58  06 42  19 47  23 45  05 16   9.5  0.5   5 0317+2006

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   SEP 06   15:14  UT
                AND FOLLOWING MORNING.             NEW MOON       SEP 14   14:30  UT
                All dates and times are zone CST   FIRST QUARTER  SEP 21   15:56  UT
                in upper table (except sid time).  FULL MOON      SEP 28   13:12  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI OCT 01  18 49  19 33  20 01  21 10         05 30  05 58  06 42  19 49  23 49  05 20   9.5  1.1  12 0408+2349
 SAT OCT 02  18 48  19 32  20 00  21 50         05 31  05 59  06 43  19 52  23 53  05 25   9.5  1.8  19 0500+2625
 SUN OCT 03  18 47  19 31  19 59  22 37         05 31  05 59  06 44  19 55  23 57  05 29   9.5  2.6  27 0553+2748
 MON OCT 04  18 45  19 30  19 58  23 28         05 32  06 00  06 44  19 58  00 01  05 34   9.6  3.5  36 0647+2753
 TUE OCT 05  18 44  19 28  19 56  00 23         05 33  06 01  06 45  20 00  00 05  05 39   9.6  4.5  46 0740+2641
 WED OCT 06  18 43  19 27  19 55  01 21         05 33  06 01  06 45  20 03  00 09  05 43   9.6  5.4  56 0832+2416
 THU OCT 07  18 42  19 26  19 54  02 21  16 02  05 34  06 02  06 46  20 06  00 13  05 48   9.7  6.5  66 0922+2044
 FRI OCT 08  18 41  19 25  19 53  03 20  16 36  05 35  06 02  06 47  20 09  00 17  05 53   9.7  7.5  76 1011+1615
 SAT OCT 09  18 39  19 24  19 52  04 20  17 07  05 35  06 03  06 47  20 12  00 21  05 57   9.7  8.5  87 1058+1057
 SUN OCT 10  18 38  19 23  19 50  05 20  17 36  05 36  06 04  06 48  20 14  00 25  06 02   9.8  9.5  97 1145+0503
 MON OCT 11  18 37  19 21  19 49  06 22  18 05  05 36  06 04  06 49  20 17  00 29  06 05   9.8  9.8 100 1233-0113
 TUE OCT 12  18 36  19 20  19 48  07 25  18 35  05 37  06 05  06 49  20 20  00 32  06 10   9.8  9.8 100 1322-0735
 WED OCT 13  18 35  19 19  19 47         19 08  05 38  06 06  06 50  20 23  00 36  06 15   9.9  9.9 100 1413-1344
 THU OCT 14  18 34  19 18  19 46         19 45  05 38  06 06  06 51  20 26  00 40  06 19   9.9  9.9 100 1507-1915
 FRI OCT 15  18 33  19 17  19 45         20 28  05 39  06 07  06 51  20 29  00 44  06 24   9.9  9.2  92 1606-2343
 SAT OCT 16  18 32  19 16  19 44         21 18  05 40  06 07  06 52  20 32  00 48  06 29   9.9  8.4  84 1708-2645
 SUN OCT 17  18 30  19 15  19 43         22 17  05 40  06 08  06 53  20 34  00 52  06 33   9.9  7.4  74 1813-2800
 MON OCT 18  18 29  19 14  19 42         23 23  05 41  06 09  06 53  20 37  00 56  06 38  10.0  6.3  63 1917-2723
 TUE OCT 19  18 28  19 13  19 41         00 31  05 41  06 09  06 54  20 40  01 00  06 42  10.0  5.2  51 2019-2500
 WED OCT 20  18 27  19 12  19 40         01 39  05 42  06 10  06 55  20 43  01 04  06 47  10.0  4.0  40 2118-2107
 THU OCT 21  18 26  19 11  19 39         02 46  05 43  06 11  06 55  20 46  01 08  06 52  10.1  3.0  29 2212-1607
 FRI OCT 22  18 25  19 10  19 38  16 02  03 49  05 43  06 11  06 56  20 49  01 12  06 56  10.1  1.9  18 2303-1023
 SAT OCT 23  18 24  19 09  19 37  16 33  04 50  05 44  06 12  06 57  20 52  01 16  07 01  10.1  0.9   8 2351-0415
 SUN OCT 24  18 23  19 08  19 36  17 02  05 50  05 45  06 13  06 58  20 55  01 20  07 06  10.1  0.0   0 0038+0158
 MON OCT 25  18 22  19 07  19 35  17 31  06 50  05 45  06 13  06 58  20 58  01 24  07 10  10.2  0.0   0 0125+0800
 TUE OCT 26  18 21  19 06  19 34  18 00  07 50  05 46  06 14  06 59  21 01  01 28  07 15  10.2  0.0   0 0212+1338
 WED OCT 27  18 21  19 05  19 34  18 31         05 47  06 15  07 00  21 05  01 32  07 20  10.2  0.0   0 0300+1835
 THU OCT 28  18 20  19 05  19 33  19 06         05 47  06 15  07 01  21 08  01 36  07 23  10.2  0.0   0 0350+2241
 FRI OCT 29  18 19  19 04  19 32  19 45         05 48  06 16  07 01  21 11  01 39  07 28  10.3  0.2   2 0442+2542
 SAT OCT 30  18 18  19 03  19 31  20 29         05 49  06 17  07 02  21 14  01 43  07 33  10.3  1.0   9 0535+2730
 SUN OCT 31  18 17  19 02  19 30  21 19         05 49  06 18  07 03  21 17  01 47  07 37  10.3  1.8  17 0629+2802

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   OCT 06   10:16  UT
                AND FOLLOWING MORNING.             NEW MOON       OCT 14   02:49  UT
                All dates and times are zone CST   FIRST QUARTER  OCT 20   22:01  UT
                in upper table (except sid time).  FULL MOON      OCT 28   03:10  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON NOV 01  18 16  19 01  19 30  22 12         05 50  06 18  07 04  21 21  01 51  07 42  10.3  2.7  26 0722+2715
 TUE NOV 02  18 15  19 01  19 29  23 09         05 51  06 19  07 04  21 24  01 55  07 47  10.4  3.7  35 0814+2514
 WED NOV 03  18 15  19 00  19 28  00 07         05 51  06 20  07 05  21 26  01 59  07 51  10.4  4.6  44 0904+2207
 THU NOV 04  18 14  18 59  19 28  01 06         05 52  06 20  07 06  21 30  02 03  07 56  10.4  5.6  54 0953+1800
 FRI NOV 05  18 13  18 59  19 27  02 04         05 53  06 21  07 07  21 33  02 07  08 01  10.4  6.6  63 1040+1304
 SAT NOV 06  18 12  18 58  19 26  03 03         05 54  06 22  07 08  21 36  02 11  08 06  10.5  7.6  72 1126+0728
 SUN NOV 07  18 12  18 57  19 26  04 03  16 03  05 54  06 23  07 08  21 40  02 15  08 10  10.5  8.6  82 1213+0123
 MON NOV 08  18 11  18 57  19 25  05 06  16 32  05 55  06 23  07 09  21 43  02 19  08 15  10.5  9.7  92 1301-0456
 TUE NOV 09  18 10  18 56  19 25  06 11  17 03  05 56  06 24  07 10  21 47  02 23  08 20  10.5 10.5 100 1351-1114
 WED NOV 10  18 10  18 56  19 24  07 20  17 38  05 56  06 25  07 11  21 50  02 27  08 24  10.5 10.5 100 1445-1708
 THU NOV 11  18 09  18 55  19 24         18 19  05 57  06 26  07 12  21 54  02 31  08 29  10.6 10.6 100 1544-2210
 FRI NOV 12  18 09  18 55  19 23         19 08  05 58  06 26  07 12  21 57  02 35  08 34  10.6 10.6 100 1646-2551
 SAT NOV 13  18 08  18 54  19 23         20 06  05 58  06 27  07 13  22 01  02 39  08 38  10.6  9.9  93 1752-2746
 SUN NOV 14  18 08  18 54  19 22         21 11  05 59  06 28  07 14  22 04  02 43  08 43  10.6  8.8  82 1859-2742
 MON NOV 15  18 07  18 53  19 22         22 21  06 00  06 29  07 15  22 08  02 47  08 48  10.6  7.6  71 2004-2543
 TUE NOV 16  18 07  18 53  19 22         23 31  06 01  06 29  07 16  22 12  02 50  08 52  10.7  6.5  61 2104-2206
 WED NOV 17  18 06  18 53  19 21         00 39  06 01  06 30  07 17  22 15  02 54  08 56  10.7  5.4  50 2200-1717
 THU NOV 18  18 06  18 52  19 21         01 43  06 02  06 31  07 17  22 19  02 58  09 01  10.7  4.3  40 2252-1141
 FRI NOV 19  18 05  18 52  19 21         02 44  06 03  06 32  07 18  22 23  03 02  09 06  10.7  3.3  30 2340-0540
 SAT NOV 20  18 05  18 52  19 21         03 44  06 04  06 32  07 19  22 26  03 06  09 11  10.7  2.3  21 0027+0028
 SUN NOV 21  18 05  18 51  19 20         04 42  06 04  06 33  07 20  22 29  03 10  09 15  10.7  1.4  12 0112+0628
 MON NOV 22  18 04  18 51  19 20  16 02  05 41  06 05  06 34  07 21  22 33  03 14  09 20  10.7  0.4   3 0159+1208
 TUE NOV 23  18 04  18 51  19 20  16 32  06 40  06 06  06 35  07 22  22 37  03 18  09 25  10.8  0.0   0 0246+1713
 WED NOV 24  18 04  18 51  19 20  17 05  07 40  06 06  06 35  07 22  22 41  03 22  09 29  10.8  0.0   0 0335+2132
 THU NOV 25  18 04  18 51  19 20  17 42         06 07  06 36  07 23  22 45  03 26  09 34  10.8  0.0   0 0426+2452
 FRI NOV 26  18 04  18 51  19 20  18 24         06 08  06 37  07 24  22 49  03 30  09 39  10.8  0.0   0 0519+2702
 SAT NOV 27  18 03  18 51  19 20  19 12         06 09  06 38  07 25  22 53  03 34  09 44  10.8  0.0   0 0613+2756
 SUN NOV 28  18 03  18 50  19 20  20 04         06 09  06 38  07 26  22 57  03 38  09 48  10.8  0.7   6 0706+2732
 MON NOV 29  18 03  18 50  19 20  21 00         06 10  06 39  07 27  23 01  03 42  09 53  10.8  1.7  15 0758+2552
 TUE NOV 30  18 03  18 50  19 20  21 58         06 11  06 40  07 27  23 05  03 46  09 58  10.8  2.6  24 0849+2304

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   NOV 05   05:57  UT
                AND FOLLOWING MORNING.             NEW MOON       NOV 12   14:29  UT
                All dates and times are zone CST   FIRST QUARTER  NOV 19   05:52  UT
                in upper table (except sid time).  FULL MOON      NOV 26   20:09  UT





                                MCDO OBSERVATORY CALENDAR FOR 2004  -ASTRONOMICAL
                                 (computed for altitude 2081.0 m)
                                                                    ASTRONOMICAL(18 deg) TWILIGHT/DAWN    MOON
  DATE(CST)   SUN   TWILIGHT ENDS  MOON   MOON   DAWN BEGINS   SUN     SIDEREAL TIMES    NIGHT (18 deg)  RA DEC
    2004      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED DEC 01  18 03  18 50  19 20  22 55         06 11  06 41  07 28  23 09  03 50  10 02  10.8  3.6  33 0937+1918
 THU DEC 02  18 03  18 50  19 20  23 53         06 12  06 41  07 29  23 13  03 54  10 07  10.9  4.5  41 1024+1442
 FRI DEC 03  18 03  18 51  19 20  00 50         06 13  06 42  07 30  23 17  03 57  10 12  10.9  5.5  50 1109+0926
 SAT DEC 04  18 03  18 51  19 20  01 47         06 14  06 43  07 30  23 21  04 01  10 16  10.9  6.4  59 1155+0340
 SUN DEC 05  18 03  18 51  19 20  02 47         06 14  06 44  07 31  23 25  04 05  10 20  10.9  7.4  68 1241-0225
 MON DEC 06  18 03  18 51  19 20  03 49         06 15  06 44  07 32  23 29  04 09  10 25  10.9  8.5  77 1329-0837
 TUE DEC 07  18 03  18 51  19 20  04 55         06 16  06 45  07 33  23 32  04 13  10 30  10.9  9.6  87 1420-1438
 WED DEC 08  18 04  18 51  19 21  06 06  16 08  06 16  06 46  07 33  23 37  04 17  10 34  10.9 10.7  98 1516-2003
 THU DEC 09  18 04  18 51  19 21  07 19  16 53  06 17  06 46  07 34  23 41  04 21  10 39  10.9 10.9 100 1617-2424
 FRI DEC 10  18 04  18 52  19 21         17 47  06 18  06 47  07 35  23 45  04 25  10 44  10.9 10.9 100 1723-2708
 SAT DEC 11  18 04  18 52  19 21         18 51  06 18  06 48  07 35  23 49  04 29  10 48  10.9 10.9 100 1832-2754
 SUN DEC 12  18 04  18 52  19 22         20 01  06 19  06 48  07 36  23 54  04 33  10 53  10.9 10.3  94 1940-2633
 MON DEC 13  18 05  18 53  19 22         21 15  06 19  06 49  07 37  23 58  04 37  10 57  10.9  9.1  82 2044-2320
 TUE DEC 14  18 05  18 53  19 22         22 26  06 20  06 49  07 37  00 02  04 41  11 02  11.0  7.9  72 2143-1840
 WED DEC 15  18 05  18 53  19 23         23 34  06 21  06 50  07 38  00 07  04 45  11 07  11.0  6.8  61 2238-1305
 THU DEC 16  18 06  18 54  19 23         00 38  06 21  06 51  07 39  00 11  04 49  11 11  11.0  5.7  52 2328-0700
 FRI DEC 17  18 06  18 54  19 24         01 38  06 22  06 51  07 39  00 16  04 53  11 16  11.0  4.7  43 0016-0048
 SAT DEC 18  18 07  18 55  19 24         02 37  06 22  06 52  07 40  00 20  04 57  11 20  11.0  3.8  34 0102+0516
 SUN DEC 19  18 07  18 55  19 24         03 35  06 23  06 52  07 40  00 24  05 01  11 25  11.0  2.8  25 0148+1059
 MON DEC 20  18 07  18 55  19 25         04 34  06 23  06 53  07 41  00 29  05 05  11 29  11.0  1.8  16 0234+1610
 TUE DEC 21  18 08  18 56  19 25         05 33  06 24  06 53  07 41  00 33  05 08  11 34  11.0  0.8   7 0322+2037
 WED DEC 22  18 08  18 56  19 26         06 32  06 24  06 54  07 42  00 38  05 12  11 37  11.0  0.0   0 0413+2409
 THU DEC 23  18 09  18 57  19 26  16 22  07 29  06 25  06 54  07 42  00 42  05 16  11 42  11.0  0.0   0 0505+2635
 FRI DEC 24  18 10  18 58  19 27  17 08         06 25  06 55  07 43  00 47  05 20  11 46  11.0  0.0   0 0558+2747
 SAT DEC 25  18 10  18 58  19 28  17 59         06 26  06 55  07 43  00 51  05 24  11 51  11.0  0.0   0 0652+2741
 SUN DEC 26  18 11  18 59  19 28  18 54         06 26  06 55  07 43  00 55  05 28  11 55  11.0  0.0   0 0744+2619
 MON DEC 27  18 11  18 59  19 29  19 51         06 26  06 56  07 44  01 00  05 32  11 59  10.9  0.4   3 0835+2346
 TUE DEC 28  18 12  19 00  19 29  20 48         06 27  06 56  07 44  01 04  05 36  12 04  11.0  1.3  12 0924+2013
 WED DEC 29  18 13  19 00  19 30  21 45         06 27  06 57  07 44  01 09  05 40  12 08  10.9  2.2  20 1011+1549
 THU DEC 30  18 13  19 01  19 31  22 42         06 27  06 57  07 45  01 14  05 44  12 12  10.9  3.2  29 1056+1046
 FRI DEC 31  18 14  19 02  19 31  23 38         06 28  06 57  07 45  01 18  05 48  12 17  11.0  4.1  37 1141+0513

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   DEC 05   00:56  UT
                AND FOLLOWING MORNING.             NEW MOON       DEC 12   01:32  UT
                All dates and times are zone CST   FIRST QUARTER  DEC 18   16:41  UT
                in upper table (except sid time).  FULL MOON      DEC 26   15:08  UT