View calendars 2000-2010 here.




                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE JAN 01  18 14  19 02  19 31  03 44         06 28  06 57  07 45  01 19  05 49  12 18  11.0  8.2  75 1436-2026
 WED JAN 02  18 15  19 03  19 32  04 41         06 28  06 57  07 45  01 24  05 53  12 22  10.9  9.2  83 1524-2357
 THU JAN 03  18 16  19 03  19 33  05 37         06 28  06 58  07 45  01 29  05 57  12 26  10.9 10.1  92 1616-2627
 FRI JAN 04  18 16  19 04  19 33  06 33         06 29  06 58  07 46  01 33  06 01  12 31  10.9 10.9 100 1709-2746
 SAT JAN 05  18 17  19 05  19 34  07 24  16 46  06 29  06 58  07 46  01 38  06 05  12 35  10.9 10.9 100 1805-2745
 SUN JAN 06  18 18  19 05  19 35         17 43  06 29  06 58  07 46  01 43  06 09  12 39  10.9 10.9 100 1900-2621
 MON JAN 07  18 19  19 06  19 35         18 43  06 29  06 58  07 46  01 47  06 13  12 43  10.9 10.9 100 1954-2336
 TUE JAN 08  18 19  19 07  19 36         19 45  06 29  06 59  07 46  01 52  06 17  12 47  10.9 10.7  98 2047-1939
 WED JAN 09  18 20  19 08  19 37         20 47  06 29  06 59  07 46  01 57  06 20  12 51  10.9  9.7  89 2137-1443
 THU JAN 10  18 21  19 08  19 38         21 48  06 30  06 59  07 46  02 02  06 24  12 56  10.9  8.7  80 2226-0902
 FRI JAN 11  18 22  19 09  19 38         22 49  06 30  06 59  07 46  02 06  06 28  12 59  10.9  7.7  70 2314-0253
 SAT JAN 12  18 23  19 10  19 39         23 51  06 30  06 59  07 46  02 11  06 32  13 03  10.9  6.6  61 0002+0329
 SUN JAN 13  18 23  19 11  19 40         00 55  06 30  06 59  07 46  02 16  06 36  13 07  10.8  5.6  51 0052+0947
 MON JAN 14  18 24  19 11  19 40         02 02  06 30  06 59  07 46  02 19  06 40  13 11  10.8  4.5  41 0144+1543
 TUE JAN 15  18 25  19 12  19 41         03 11  06 30  06 59  07 46  02 24  06 44  13 15  10.8  3.3  30 0240+2053
 WED JAN 16  18 26  19 13  19 42         04 23  06 30  06 59  07 46  02 29  06 48  13 19  10.8  2.1  19 0339+2453
 THU JAN 17  18 27  19 14  19 43         05 33  06 29  06 58  07 45  02 34  06 52  13 22  10.8  0.9   8 0443+2720
 FRI JAN 18  18 28  19 15  19 44         06 37  06 29  06 58  07 45  02 39  06 56  13 26  10.7  0.0   0 0548+2756
 SAT JAN 19  18 28  19 15  19 44  16 21  07 32  06 29  06 58  07 45  02 43  07 00  13 30  10.7  0.0   0 0653+2637
 SUN JAN 20  18 29  19 16  19 45  17 32         06 29  06 58  07 45  02 48  07 04  13 34  10.7  0.0   0 0755+2334
 MON JAN 21  18 30  19 17  19 46  18 41         06 29  06 58  07 44  02 53  07 08  13 38  10.7  0.0   0 0852+1910
 TUE JAN 22  18 31  19 18  19 47  19 48         06 29  06 57  07 44  02 58  07 12  13 42  10.7  0.0   0 0945+1351
 WED JAN 23  18 32  19 19  19 47  20 50         06 28  06 57  07 44  03 02  07 16  13 45  10.7  1.1   9 1034+0802
 THU JAN 24  18 33  19 19  19 48  21 49         06 28  06 57  07 43  03 07  07 20  13 49  10.7  2.0  18 1120+0201
 FRI JAN 25  18 34  19 20  19 49  22 46         06 28  06 57  07 43  03 12  07 24  13 53  10.6  2.9  27 1205-0353
 SAT JAN 26  18 35  19 21  19 50  23 42         06 28  06 56  07 42  03 17  07 28  13 57  10.6  3.9  36 1249-0931
 SUN JAN 27  18 35  19 22  19 50  00 37         06 27  06 56  07 42  03 21  07 31  14 00  10.6  4.8  45 1334-1441
 MON JAN 28  18 36  19 23  19 51  01 33         06 27  06 55  07 41  03 26  07 35  14 03  10.6  5.7  53 1420-1915
 TUE JAN 29  18 37  19 23  19 52  02 30         06 26  06 55  07 41  03 31  07 39  14 06  10.6  6.6  62 1508-2302
 WED JAN 30  18 38  19 24  19 53  03 27         06 26  06 54  07 40  03 36  07 43  14 10  10.6  7.6  71 1558-2552
 THU JAN 31  18 39  19 25  19 53  04 23         06 26  06 54  07 40  03 40  07 47  14 14  10.6  8.5  80 1651-2734

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JAN 08   11:40  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JAN 15   19:47  UT
                All dates and times are zone CST   FULL MOON      JAN 22   13:38  UT
                in upper table (except sid time).  LAST QUARTER   JAN 30   05:05  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI FEB 01  18 40  19 26  19 54  05 16         06 25  06 53  07 39  03 44  07 51  14 17  10.5  9.4  89 1746-2800
 SAT FEB 02  18 41  19 26  19 55  06 05         06 25  06 53  07 39  03 49  07 55  14 21  10.5 10.2  96 1841-2702
 SUN FEB 03  18 41  19 27  19 56  06 49  16 30  06 24  06 52  07 38  03 54  07 59  14 24  10.5 10.5 100 1936-2442
 MON FEB 04  18 42  19 28  19 56  07 28  17 32  06 23  06 52  07 37  03 58  08 03  14 27  10.5 10.5 100 2030-2104
 TUE FEB 05  18 43  19 29  19 57         18 35  06 23  06 51  07 37  04 03  08 07  14 31  10.4 10.4 100 2122-1619
 WED FEB 06  18 44  19 30  19 58         19 38  06 22  06 51  07 36  04 08  08 11  14 34  10.4 10.4 100 2212-1043
 THU FEB 07  18 45  19 30  19 59         20 41  06 22  06 50  07 35  04 13  08 15  14 38  10.4  9.7  93 2301-0431
 FRI FEB 08  18 46  19 31  19 59         21 44  06 21  06 49  07 35  04 17  08 19  14 41  10.4  8.6  83 2350+0157
 SAT FEB 09  18 47  19 32  20 00         22 48  06 20  06 49  07 34  04 22  08 23  14 44  10.3  7.5  72 0040+0825
 SUN FEB 10  18 47  19 33  20 01         23 54  06 20  06 48  07 33  04 27  08 27  14 48  10.3  6.4  62 0132+1431
 MON FEB 11  18 48  19 33  20 02         01 03  06 19  06 47  07 32  04 32  08 31  14 51  10.3  5.3  51 0227+1953
 TUE FEB 12  18 49  19 34  20 02         02 13  06 18  06 46  07 31  04 36  08 35  14 54  10.3  4.1  39 0325+2408
 WED FEB 13  18 50  19 35  20 03         03 22  06 17  06 46  07 31  04 41  08 38  14 57  10.2  2.9  28 0426+2657
 THU FEB 14  18 51  19 36  20 04         04 27  06 17  06 45  07 30  04 46  08 42  15 00  10.2  1.8  17 0530+2801
 FRI FEB 15  18 51  19 36  20 04         05 24  06 16  06 44  07 29  04 50  08 46  15 03  10.2  0.9   8 0633+2716
 SAT FEB 16  18 52  19 37  20 05         06 12  06 15  06 43  07 28  04 55  08 50  15 06  10.2  0.1   0 0734+2449
 SUN FEB 17  18 53  19 38  20 06  16 23  06 53  06 14  06 42  07 27  05 00  08 54  15 09  10.1  0.0   0 0832+2055
 MON FEB 18  18 54  19 39  20 07  17 30  07 28  06 13  06 41  07 26  05 05  08 58  15 12  10.1  0.0   0 0925+1558
 TUE FEB 19  18 55  19 39  20 07  18 34  07 59  06 12  06 40  07 25  05 09  09 02  15 15  10.1  0.0   0 1015+1019
 WED FEB 20  18 55  19 40  20 08  19 34         06 12  06 39  07 24  05 13  09 06  15 19  10.1  0.0   0 1103+0421
 THU FEB 21  18 56  19 41  20 09  20 32         06 11  06 39  07 23  05 18  09 10  15 22  10.0  0.4   3 1148-0139
 FRI FEB 22  18 57  19 41  20 09  21 29         06 10  06 38  07 22  05 22  09 14  15 25  10.0  1.3  13 1233-0729
 SAT FEB 23  18 58  19 42  20 10  22 25         06 09  06 37  07 21  05 27  09 18  15 28  10.0  2.2  22 1318-1254
 SUN FEB 24  18 58  19 43  20 11  23 22         06 08  06 36  07 20  05 32  09 22  15 31  10.0  3.2  31 1403-1745
 MON FEB 25  18 59  19 44  20 11  00 19         06 07  06 35  07 19  05 36  09 26  15 34   9.9  4.1  41 1451-2151
 TUE FEB 26  19 00  19 44  20 12  01 16         06 06  06 34  07 18  05 41  09 30  15 37   9.9  5.1  51 1541-2501
 WED FEB 27  19 01  19 45  20 13  02 12         06 05  06 33  07 17  05 46  09 34  15 40   9.9  6.0  60 1633-2707
 THU FEB 28  19 01  19 46  20 14  03 06         06 04  06 31  07 16  05 51  09 38  15 43   9.8  6.9  69 1726-2800
 FRI FEB 29  19 02  19 46  20 14  03 56         06 03  06 30  07 15  05 55  09 42  15 46   9.8  7.7  78 1821-2733

                ONE LINE REFERS TO EVENING DATE    NEW MOON       FEB 07   03:46  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  FEB 14   03:35  UT
                All dates and times are zone CST   FULL MOON      FEB 21   03:34  UT
                in upper table (except sid time).  LAST QUARTER   FEB 29   00:00  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT MAR 01  19 03  19 47  20 15  04 41         06 01  06 29  07 14  06 00  09 46  15 47   9.8  8.4  86 1916-2545
 SUN MAR 02  19 03  19 48  20 16  05 22         06 00  06 28  07 12  06 05  09 49  15 50   9.7  9.1  93 2009-2237
 MON MAR 03  19 04  19 48  20 16  05 59  16 18  05 59  06 27  07 11  06 09  09 53  15 53   9.7  9.7 100 2102-1817
 TUE MAR 04  19 05  19 49  20 17  06 32  17 21  05 58  06 26  07 10  06 14  09 57  15 56   9.7  9.7 100 2153-1257
 WED MAR 05  19 05  19 50  20 18  07 04  18 25  05 57  06 25  07 09  06 19  10 01  15 59   9.7  9.7 100 2243-0651
 THU MAR 06  19 06  19 50  20 18  07 35  19 29  05 56  06 24  07 08  06 23  10 05  16 02   9.6  9.6 100 2333-0018
 FRI MAR 07  19 07  19 51  20 19         20 35  05 55  06 23  07 07  06 28  10 09  16 05   9.6  9.3  97 0024+0621
 SAT MAR 08  19 08  19 52  20 20         21 42  05 53  06 21  07 06  06 33  10 13  16 07   9.5  8.2  85 0117+1245
 SUN MAR 09  19 08  19 52  20 20         22 52  05 52  06 20  07 04  06 36  10 17  16 10   9.5  7.0  73 0212+1830
 MON MAR 10  19 09  19 53  20 21         00 03  05 51  06 19  07 03  06 41  10 21  16 13   9.5  5.8  61 0310+2311
 TUE MAR 11  19 10  19 54  20 22         01 14  05 50  06 18  07 02  06 46  10 25  16 16   9.5  4.6  48 0412+2624
 WED MAR 12  19 10  19 54  20 22         02 21  05 49  06 17  07 01  06 50  10 29  16 19   9.4  3.5  36 0515+2753
 THU MAR 13  19 11  19 55  20 23         03 20  05 47  06 15  07 00  06 55  10 33  16 21   9.4  2.5  26 0619+2733
 FRI MAR 14  19 12  19 56  20 24         04 10  05 46  06 14  06 58  07 00  10 37  16 24   9.4  1.6  17 0720+2531
 SAT MAR 15  19 12  19 56  20 25         04 52  05 45  06 13  06 57  07 05  10 41  16 27   9.3  0.9   9 0817+2201
 SUN MAR 16  19 13  19 57  20 25         05 28  05 44  06 12  06 56  07 09  10 45  16 30   9.3  0.3   2 0911+1725
 MON MAR 17  19 13  19 58  20 26  16 23  06 00  05 42  06 10  06 55  07 14  10 49  16 32   9.3  0.0   0 1001+1204
 TUE MAR 18  19 14  19 58  20 27  17 23  06 29  05 41  06 09  06 53  07 19  10 53  16 34   9.2  0.0   0 1048+0617
 WED MAR 19  19 15  19 59  20 27  18 21  06 56  05 40  06 08  06 52  07 23  10 56  16 37   9.2  0.0   0 1133+0020
 THU MAR 20  19 15  20 00  20 28  19 18  07 23  05 38  06 07  06 51  07 28  11 00  16 39   9.2  0.0   0 1218-0531
 FRI MAR 21  19 16  20 00  20 29  20 14  07 52  05 37  06 05  06 50  07 33  11 04  16 42   9.1  0.0   0 1302-1105
 SAT MAR 22  19 17  20 01  20 29  21 11         05 36  06 04  06 48  07 37  11 08  16 45   9.1  0.7   7 1348-1608
 SUN MAR 23  19 17  20 02  20 30  22 08         05 34  06 03  06 47  07 42  11 12  16 47   9.1  1.6  18 1435-2030
 MON MAR 24  19 18  20 02  20 31  23 05         05 33  06 02  06 46  07 47  11 16  16 50   9.0  2.6  28 1524-2400
 TUE MAR 25  19 19  20 03  20 32  00 01         05 32  06 00  06 45  07 52  11 20  16 53   9.0  3.5  38 1616-2627
 WED MAR 26  19 19  20 04  20 32  00 56         05 30  05 59  06 44  07 56  11 24  16 55   9.0  4.4  49 1709-2743
 THU MAR 27  19 20  20 04  20 33  01 47         05 29  05 58  06 42  08 00  11 28  16 58   8.9  5.2  58 1802-2744
 FRI MAR 28  19 21  20 05  20 34  02 34         05 28  05 56  06 41  08 05  11 32  17 01   8.9  6.0  67 1856-2625
 SAT MAR 29  19 21  20 06  20 35  03 16         05 26  05 55  06 40  08 10  11 36  17 03   8.8  6.7  75 1949-2349
 SUN MAR 30  19 22  20 07  20 35  03 53         05 25  05 54  06 39  08 14  11 40  17 06   8.8  7.3  82 2041-2001
 MON MAR 31  19 22  20 07  20 36  04 28         05 24  05 53  06 37  08 19  11 44  17 09   8.8  7.9  89 2132-1510

                ONE LINE REFERS TO EVENING DATE    NEW MOON       MAR 07   17:15  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  MAR 14   10:48  UT
                All dates and times are zone CST   FULL MOON      MAR 21   18:42  UT
                in upper table (except sid time).  LAST QUARTER   MAR 29   21:50  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE APR 01  19 23  20 08  20 37  05 00  16 05  05 22  05 51  06 36  08 24  11 48  17 11   8.8  8.4  95 2222-0926
 WED APR 02  19 24  20 09  20 38  05 31  17 09  05 21  05 50  06 35  08 29  11 52  17 14   8.7  8.7 100 2312-0305
 THU APR 03  19 24  20 09  20 38  06 03  18 14  05 20  05 49  06 34  08 33  11 56  17 16   8.7  8.7 100 0003+0335
 FRI APR 04  19 25  20 10  20 39  06 38  19 21  05 18  05 47  06 32  08 38  12 00  17 18   8.7  8.7 100 0055+1013
 SAT APR 05  19 26  20 11  20 40  07 16  20 32  05 17  05 46  06 31  08 43  12 03  17 21   8.6  8.6 100 0151+1623
 SUN APR 06  19 26  20 11  20 41         21 45  05 16  05 45  06 30  08 48  12 07  17 24   8.6  7.5  87 0250+2136
 MON APR 07  19 27  20 12  20 42         22 59  05 14  05 44  06 29  08 53  12 11  17 26   8.5  6.2  73 0353+2526
 TUE APR 08  19 27  20 13  20 42         00 10  05 13  05 42  06 28  08 57  12 15  17 29   8.5  5.1  59 0458+2729
 WED APR 09  19 28  20 14  20 43         01 13  05 12  05 41  06 26  09 02  12 19  17 32   8.5  4.0  46 0603+2738
 THU APR 10  19 29  20 14  20 44         02 07  05 10  05 40  06 25  09 07  12 23  17 34   8.4  3.0  36 0706+2557
 FRI APR 11  19 29  20 15  20 45         02 52  05 09  05 38  06 24  09 12  12 27  17 37   8.4  2.3  27 0804+2245
 SAT APR 12  19 30  20 16  20 46         03 30  05 07  05 37  06 23  09 17  12 31  17 39   8.4  1.6  19 0859+1823
 SUN APR 13  19 31  20 17  20 46         04 03  05 06  05 36  06 22  09 21  12 35  17 42   8.3  1.0  12 0949+1314
 MON APR 14  19 31  20 17  20 47         04 32  05 05  05 35  06 21  09 25  12 39  17 45   8.3  0.6   6 1036+0737
 TUE APR 15  19 32  20 18  20 48  16 15  04 59  05 03  05 34  06 20  09 30  12 43  17 47   8.3  0.1   0 1121+0148
 WED APR 16  19 33  20 19  20 49  17 11  05 26  05 02  05 32  06 18  09 35  12 47  17 50   8.2  0.0   0 1206-0359
 THU APR 17  19 33  20 20  20 50  18 07  05 54  05 01  05 31  06 17  09 40  12 51  17 53   8.2  0.0   0 1250-0934
 FRI APR 18  19 34  20 20  20 51  19 03  06 24  05 00  05 30  06 16  09 45  12 55  17 56   8.1  0.0   0 1335-1443
 SAT APR 19  19 35  20 21  20 52  19 59  06 57  04 58  05 29  06 15  09 50  12 59  17 58   8.1  0.0   0 1422-1915
 SUN APR 20  19 35  20 22  20 52  20 56  07 34  04 57  05 27  06 14  09 54  13 03  18 00   8.1  0.1   0 1510-2258
 MON APR 21  19 36  20 23  20 53  21 53         04 56  05 26  06 13  09 59  13 07  18 03   8.1  1.0  12 1601-2543
 TUE APR 22  19 37  20 23  20 54  22 48         04 54  05 25  06 12  10 04  13 11  18 05   8.0  1.9  23 1653-2718
 WED APR 23  19 37  20 24  20 55  23 40         04 53  05 24  06 11  10 09  13 14  18 08   8.0  2.8  34 1747-2739
 THU APR 24  19 38  20 25  20 56  00 28         04 52  05 23  06 10  10 14  13 18  18 11   7.9  3.5  44 1840-2643
 FRI APR 25  19 39  20 26  20 57  01 11         04 51  05 22  06 09  10 19  13 22  18 14   7.9  4.2  53 1933-2432
 SAT APR 26  19 39  20 27  20 58  01 50         04 49  05 21  06 08  10 24  13 26  18 16   7.8  4.9  61 2024-2111
 SUN APR 27  19 40  20 27  20 59  02 24         04 48  05 19  06 07  10 29  13 30  18 19   7.8  5.4  69 2114-1648
 MON APR 28  19 41  20 28  21 00  02 56         04 47  05 18  06 06  10 34  13 34  18 22   7.8  5.9  76 2203-1133
 TUE APR 29  19 41  20 29  21 01  03 27         04 46  05 17  06 05  10 39  13 38  18 25   7.8  6.4  83 2251-0536
 WED APR 30  19 42  20 30  21 01  03 58         04 45  05 16  06 04  10 43  13 42  18 28   7.7  7.0  89 2340+0048

                ONE LINE REFERS TO EVENING DATE    NEW MOON       APR 06   03:56  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  APR 12   18:34  UT
                All dates and times are zone CST   FULL MOON      APR 20   10:27  UT
                in upper table (except sid time).  LAST QUARTER   APR 28   14:16  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU MAY 01  19 43  20 31  21 02  04 31  16 58  04 43  05 15  06 03  10 48  13 46  18 30   7.7  7.5  97 0031+0723
 FRI MAY 02  19 43  20 31  21 03  05 07  18 07  04 42  05 14  06 02  10 52  13 50  18 33   7.7  7.7 100 0126+1345
 SAT MAY 03  19 44  20 32  21 04  05 49  19 19  04 41  05 13  06 01  10 57  13 54  18 36   7.6  7.6 100 0224+1927
 SUN MAY 04  19 45  20 33  21 05  06 39  20 35  04 40  05 12  06 00  11 02  13 58  18 39   7.6  7.6 100 0326+2357
 MON MAY 05  19 45  20 34  21 06  07 37  21 49  04 39  05 11  06 00  11 07  14 02  18 42   7.5  6.8  90 0432+2646
 TUE MAY 06  19 46  20 35  21 07         22 59  04 38  05 10  05 59  11 12  14 06  18 44   7.5  5.6  75 0540+2737
 WED MAY 07  19 47  20 36  21 08         23 59  04 37  05 09  05 58  11 17  14 10  18 47   7.5  4.6  61 0646+2627
 THU MAY 08  19 48  20 36  21 09         00 49  04 36  05 08  05 57  11 22  14 14  18 50   7.5  3.8  50 0748+2334
 FRI MAY 09  19 48  20 37  21 10         01 30  04 35  05 07  05 56  11 27  14 18  18 53   7.4  3.1  41 0845+1923
 SAT MAY 10  19 49  20 38  21 11         02 04  04 34  05 07  05 56  11 32  14 21  18 56   7.4  2.5  33 0937+1419
 SUN MAY 11  19 50  20 39  21 12         02 35  04 33  05 06  05 55  11 37  14 25  18 59   7.3  2.0  26 1025+0844
 MON MAY 12  19 50  20 40  21 13         03 03  04 32  05 05  05 54  11 42  14 29  19 02   7.3  1.5  20 1111+0258
 TUE MAY 13  19 51  20 40  21 14         03 30  04 31  05 04  05 54  11 47  14 33  19 05   7.3  1.0  13 1155-0248
 WED MAY 14  19 52  20 41  21 15  16 02  03 57  04 30  05 03  05 53  11 52  14 37  19 08   7.2  0.5   7 1239-0822
 THU MAY 15  19 52  20 42  21 16  16 58  04 26  04 29  05 02  05 52  11 57  14 41  19 11   7.2  0.0   0 1324-1334
 FRI MAY 16  19 53  20 43  21 16  17 53  04 58  04 28  05 02  05 52  12 01  14 45  19 14   7.2  0.0   0 1410-1812
 SAT MAY 17  19 54  20 44  21 17  18 50  05 34  04 27  05 01  05 51  12 06  14 49  19 17   7.2  0.0   0 1457-2206
 SUN MAY 18  19 54  20 44  21 18  19 47  06 14  04 26  05 00  05 50  12 11  14 53  19 20   7.1  0.0   0 1548-2503
 MON MAY 19  19 55  20 45  21 19  20 42  07 00  04 26  05 00  05 50  12 16  14 57  19 24   7.1  0.0   0 1640-2654
 TUE MAY 20  19 56  20 46  21 20  21 36  07 51  04 25  04 59  05 49  12 20  15 01  19 27   7.1  0.3   3 1733-2732
 WED MAY 21  19 56  20 47  21 21  22 25         04 24  04 58  05 49  12 25  15 05  19 30   7.0  1.1  15 1826-2654
 THU MAY 22  19 57  20 48  21 22  23 09         04 23  04 58  05 48  12 30  15 09  19 33   7.0  1.8  25 1919-2500
 FRI MAY 23  19 58  20 48  21 23  23 49         04 23  04 57  05 48  12 35  15 13  19 36   7.0  2.4  34 2010-2157
 SAT MAY 24  19 58  20 49  21 24  00 24         04 22  04 57  05 47  12 40  15 17  19 39   7.0  3.0  43 2100-1753
 SUN MAY 25  19 59  20 50  21 24  00 56         04 21  04 56  05 47  12 44  15 21  19 42   7.0  3.5  50 2148-1258
 MON MAY 26  19 59  20 50  21 25  01 26         04 21  04 56  05 47  12 49  15 25  19 46   6.9  4.0  57 2235-0722
 TUE MAY 27  20 00  20 51  21 26  01 56         04 20  04 55  05 46  12 54  15 29  19 49   6.9  4.5  65 2322-0118
 WED MAY 28  20 01  20 52  21 27  02 27         04 20  04 55  05 46  12 59  15 32  19 53   6.9  5.0  72 0011+0501
 THU MAY 29  20 01  20 53  21 28  03 00         04 19  04 54  05 46  13 04  15 36  19 56   6.8  5.5  80 0102+1119
 FRI MAY 30  20 02  20 53  21 28  03 38  16 54  04 19  04 54  05 45  13 08  15 40  20 00   6.8  6.2  90 0158+1711
 SAT MAY 31  20 02  20 54  21 29  04 23  18 07  04 18  04 54  05 45  13 13  15 44  20 03   6.8  6.8 100 0258+2209

                ONE LINE REFERS TO EVENING DATE    NEW MOON       MAY 05   12:20  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  MAY 12   03:49  UT
                All dates and times are zone CST   FULL MOON      MAY 20   02:14  UT
                in upper table (except sid time).  LAST QUARTER   MAY 28   03:01  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN JUN 01  20 03  20 55  21 30  05 18  19 22  04 18  04 53  05 45  13 18  15 48  20 07   6.8  6.8 100 0402+2543
 MON JUN 02  20 03  20 55  21 31  06 21  20 35  04 17  04 53  05 45  13 23  15 52  20 10   6.8  6.8 100 0510+2725
 TUE JUN 03  20 04  20 56  21 31  07 32  21 42  04 17  04 53  05 44  13 27  15 56  20 14   6.8  6.6  97 0618+2702
 WED JUN 04  20 04  20 56  21 32         22 38  04 17  04 52  05 44  13 32  16 00  20 18   6.8  5.7  83 0724+2442
 THU JUN 05  20 05  20 57  21 33         23 24  04 16  04 52  05 44  13 37  16 04  20 21   6.7  4.9  72 0824+2048
 FRI JUN 06  20 05  20 58  21 33         00 02  04 16  04 52  05 44  13 41  16 08  20 25   6.7  4.2  63 0920+1549
 SAT JUN 07  20 06  20 58  21 34         00 35  04 16  04 52  05 44  13 45  16 12  20 29   6.7  3.7  54 1011+1012
 SUN JUN 08  20 06  20 59  21 35         01 05  04 16  04 52  05 44  13 50  16 16  20 33   6.7  3.2  47 1058+0419
 MON JUN 09  20 07  20 59  21 35         01 32  04 16  04 52  05 44  13 54  16 20  20 36   6.7  2.7  40 1143-0132
 TUE JUN 10  20 07  21 00  21 36         02 00  04 15  04 51  05 44  13 59  16 24  20 39   6.6  2.2  33 1228-0712
 WED JUN 11  20 08  21 00  21 36         02 29  04 15  04 51  05 44  14 03  16 28  20 43   6.6  1.8  26 1312-1230
 THU JUN 12  20 08  21 01  21 37         02 59  04 15  04 51  05 44  14 08  16 32  20 47   6.6  1.3  19 1358-1715
 FRI JUN 13  20 08  21 01  21 37  16 44  03 34  04 15  04 51  05 44  14 12  16 36  20 51   6.6  0.7  10 1445-2118
 SAT JUN 14  20 09  21 01  21 38  17 41  04 13  04 15  04 51  05 44  14 17  16 39  20 55   6.6  0.0   0 1535-2428
 SUN JUN 15  20 09  21 02  21 38  18 37  04 57  04 15  04 52  05 44  14 21  16 43  20 59   6.6  0.0   0 1626-2634
 MON JUN 16  20 09  21 02  21 38  19 31  05 46  04 15  04 52  05 44  14 25  16 47  21 03   6.6  0.0   0 1719-2729
 TUE JUN 17  20 10  21 02  21 39  20 22  06 40  04 15  04 52  05 44  14 30  16 51  21 07   6.6  0.0   0 1813-2706
 WED JUN 18  20 10  21 03  21 39  21 08  07 37  04 16  04 52  05 45  14 34  16 55  21 12   6.6  0.0   0 1906-2528
 THU JUN 19  20 10  21 03  21 39  21 49         04 16  04 52  05 45  14 38  16 59  21 16   6.6  0.2   2 1958-2238
 FRI JUN 20  20 11  21 03  21 39  22 25         04 16  04 52  05 45  14 42  17 03  21 20   6.6  0.8  11 2048-1845
 SAT JUN 21  20 11  21 03  21 40  22 58         04 16  04 53  05 45  14 47  17 07  21 24   6.6  1.3  19 2136-1401
 SUN JUN 22  20 11  21 04  21 40  23 28         04 16  04 53  05 45  14 51  17 11  21 28   6.6  1.8  27 2223-0837
 MON JUN 23  20 11  21 04  21 40  23 57         04 17  04 53  05 46  14 55  17 15  21 33   6.6  2.3  34 2309-0245
 TUE JUN 24  20 11  21 04  21 40  00 27         04 17  04 53  05 46  14 59  17 19  21 37   6.6  2.8  42 2356+0322
 WED JUN 25  20 11  21 04  21 40  00 58         04 17  04 54  05 46  15 02  17 23  21 41   6.6  3.3  49 0045+0930
 THU JUN 26  20 11  21 04  21 40  01 32         04 18  04 54  05 47  15 06  17 27  21 45   6.6  3.9  58 0138+1521
 FRI JUN 27  20 12  21 04  21 40  02 13         04 18  04 54  05 47  15 10  17 31  21 49   6.6  4.6  68 0234+2031
 SAT JUN 28  20 12  21 04  21 40  03 01  16 58  04 19  04 55  05 47  15 14  17 35  21 54   6.7  5.4  80 0335+2433
 SUN JUN 29  20 12  21 04  21 40  04 00  18 11  04 19  04 55  05 48  15 18  17 39  21 58   6.7  6.3  95 0441+2659
 MON JUN 30  20 12  21 04  21 40  05 07  19 20  04 20  04 56  05 48  15 22  17 43  22 03   6.7  6.7 100 0548+2727

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JUN 03   19:25  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JUN 10   15:07  UT
                All dates and times are zone CST   FULL MOON      JUN 18   17:35  UT
                in upper table (except sid time).  LAST QUARTER   JUN 26   12:13  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE JUL 01  20 12  21 04  21 40  06 19  20 22  04 20  04 56  05 48  15 26  17 47  22 07   6.7  6.7 100 0655+2554
 WED JUL 02  20 12  21 04  21 40  07 32  21 13  04 21  04 57  05 49  15 30  17 50  22 12   6.7  6.7 100 0759+2233
 THU JUL 03  20 12  21 04  21 40         21 56  04 21  04 57  05 49  15 34  17 54  22 16   6.7  6.4  96 0858+1751
 FRI JUL 04  20 11  21 04  21 39         22 32  04 22  04 58  05 50  15 37  17 58  22 21   6.7  5.8  86 0951+1216
 SAT JUL 05  20 11  21 03  21 39         23 04  04 22  04 58  05 50  15 41  18 02  22 25   6.7  5.3  78 1041+0616
 SUN JUL 06  20 11  21 03  21 39         23 33  04 23  04 59  05 51  15 45  18 06  22 30   6.7  4.8  71 1128+0012
 MON JUL 07  20 11  21 03  21 39         00 01  04 24  04 59  05 51  15 49  18 10  22 35   6.8  4.4  64 1214-0540
 TUE JUL 08  20 11  21 03  21 38         00 30  04 24  05 00  05 52  15 52  18 14  22 39   6.8  3.9  57 1259-1111
 WED JUL 09  20 11  21 02  21 38         01 00  04 25  05 00  05 52  15 56  18 18  22 44   6.8  3.4  50 1345-1609
 THU JUL 10  20 10  21 02  21 37         01 33  04 26  05 01  05 53  15 59  18 22  22 49   6.8  2.9  42 1432-2024
 FRI JUL 11  20 10  21 02  21 37         02 11  04 26  05 02  05 53  16 03  18 26  22 53   6.8  2.2  33 1521-2349
 SAT JUL 12  20 10  21 01  21 36  16 30  02 53  04 27  05 02  05 54  16 05  18 30  22 58   6.8  1.6  22 1612-2612
 SUN JUL 13  20 10  21 01  21 36  17 25  03 41  04 28  05 03  05 54  16 09  18 34  23 03   6.9  0.8  11 1705-2725
 MON JUL 14  20 09  21 00  21 35  18 18  04 34  04 29  05 04  05 55  16 12  18 38  23 07   6.9  0.0   0 1759-2722
 TUE JUL 15  20 09  21 00  21 35  19 05  05 30  04 30  05 04  05 56  16 16  18 42  23 12   6.9  0.0   0 1852-2602
 WED JUL 16  20 08  20 59  21 34  19 48  06 29  04 30  05 05  05 56  16 19  18 46  23 16   6.9  0.0   0 1945-2327
 THU JUL 17  20 08  20 59  21 34  20 26  07 28  04 31  05 06  05 57  16 23  18 50  23 21   6.9  0.0   0 2035-1945
 FRI JUL 18  20 08  20 58  21 33  21 00         04 32  05 06  05 57  16 26  18 54  23 26   7.0  0.0   0 2124-1509
 SAT JUL 19  20 07  20 58  21 32  21 31         04 33  05 07  05 58  16 29  18 57  23 31   7.0  0.0   0 2212-0949
 SUN JUL 20  20 07  20 57  21 31  22 01         04 34  05 08  05 58  16 32  19 01  23 36   7.1  0.5   7 2259-0400
 MON JUL 21  20 06  20 57  21 31  22 30         04 34  05 09  05 59  16 36  19 05  23 40   7.1  1.0  13 2345+0204
 TUE JUL 22  20 06  20 56  21 30  23 00         04 35  05 09  06 00  16 39  19 09  23 45   7.1  1.5  21 0033+0810
 WED JUL 23  20 05  20 55  21 29  23 32         04 36  05 10  06 00  16 42  19 13  23 50   7.1  2.0  28 0124+1400
 THU JUL 24  20 04  20 54  21 28  00 09         04 37  05 11  06 01  16 45  19 17  23 55   7.1  2.7  37 0217+1916
 FRI JUL 25  20 04  20 54  21 27  00 53         04 38  05 12  06 02  16 48  19 21  00 00   7.2  3.4  47 0315+2332
 SAT JUL 26  20 03  20 53  21 27  01 46         04 39  05 12  06 02  16 52  19 25  00 05   7.2  4.3  59 0418+2626
 SUN JUL 27  20 02  20 52  21 26  02 47  17 03  04 40  05 13  06 03  16 55  19 29  00 10   7.2  5.4  73 0523+2735
 MON JUL 28  20 02  20 51  21 25  03 56  18 06  04 41  05 14  06 03  16 58  19 33  00 15   7.3  6.5  89 0629+2647
 TUE JUL 29  20 01  20 51  21 24  05 08  19 01  04 41  05 15  06 04  17 00  19 37  00 19   7.3  7.3 100 0733+2409
 WED JUL 30  20 00  20 50  21 23  06 20  19 48  04 42  05 15  06 05  17 03  19 41  00 24   7.3  7.3 100 0833+1957
 THU JUL 31  20 00  20 49  21 22  07 28  20 27  04 43  05 16  06 05  17 06  19 45  00 29   7.3  7.3 100 0929+1439

                ONE LINE REFERS TO EVENING DATE    NEW MOON       JUL 03   02:22  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  JUL 10   04:39  UT
                All dates and times are zone CST   FULL MOON      JUL 18   08:04  UT
                in upper table (except sid time).  LAST QUARTER   JUL 25   18:44  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI AUG 01  19 59  20 48  21 21         21 01  04 44  05 17  06 06  17 09  19 49  00 34   7.4  7.4 100 1021+0842
 SAT AUG 02  19 58  20 47  21 20         21 31  04 45  05 18  06 07  17 12  19 53  00 38   7.4  7.2  97 1110+0231
 SUN AUG 03  19 57  20 46  21 19         22 00  04 46  05 19  06 07  17 15  19 57  00 43   7.4  6.8  90 1157-0335
 MON AUG 04  19 56  20 45  21 18         22 29  04 47  05 19  06 08  17 18  20 01  00 48   7.5  6.3  84 1243-0923
 TUE AUG 05  19 56  20 44  21 17         22 59  04 48  05 20  06 09  17 21  20 04  00 53   7.5  5.8  77 1329-1438
 WED AUG 06  19 55  20 43  21 15         23 32  04 49  05 21  06 09  17 23  20 08  00 58   7.6  5.3  69 1417-1912
 THU AUG 07  19 54  20 42  21 14         00 08  04 50  05 22  06 10  17 26  20 12  01 03   7.6  4.7  61 1505-2255
 FRI AUG 08  19 53  20 41  21 13         00 48  04 50  05 22  06 11  17 29  20 16  01 07   7.6  4.0  52 1556-2538
 SAT AUG 09  19 52  20 40  21 12         01 34  04 51  05 23  06 11  17 32  20 20  01 12   7.6  3.3  42 1649-2713
 SUN AUG 10  19 51  20 39  21 11  16 11  02 25  04 52  05 24  06 12  17 35  20 24  01 17   7.7  2.5  31 1742-2733
 MON AUG 11  19 50  20 38  21 10  17 00  03 21  04 53  05 25  06 12  17 38  20 28  01 22   7.7  1.5  19 1836-2636
 TUE AUG 12  19 49  20 37  21 08  17 45  04 19  04 54  05 25  06 13  17 40  20 32  01 27   7.8  0.6   7 1929-2423
 WED AUG 13  19 48  20 36  21 07  18 25  05 19  04 55  05 26  06 14  17 43  20 36  01 32   7.8  0.0   0 2020-2059
 THU AUG 14  19 47  20 35  21 06  19 01  06 19  04 56  05 27  06 14  17 46  20 40  01 37   7.8  0.0   0 2110-1635
 FRI AUG 15  19 46  20 33  21 05  19 33  07 19  04 56  05 28  06 15  17 48  20 44  01 41   7.8  0.0   0 2159-1122
 SAT AUG 16  19 45  20 32  21 03  20 03         04 57  05 28  06 16  17 50  20 48  01 46   7.9  0.0   0 2246-0534
 SUN AUG 17  19 44  20 31  21 02  20 33         04 58  05 29  06 16  17 53  20 52  01 51   7.9  0.0   0 2334+0033
 MON AUG 18  19 43  20 30  21 01  21 03         04 59  05 30  06 17  17 56  20 56  01 56   8.0  0.0   0 0022+0645
 TUE AUG 19  19 42  20 29  20 59  21 35         05 00  05 31  06 17  17 58  21 00  02 01   8.0  0.6   7 0112+1244
 WED AUG 20  19 41  20 28  20 58  22 10         05 01  05 31  06 18  18 01  21 04  02 05   8.0  1.2  14 0205+1809
 THU AUG 21  19 40  20 26  20 57  22 51         05 02  05 32  06 19  18 04  21 08  02 10   8.1  1.9  23 0301+2239
 FRI AUG 22  19 39  20 25  20 56  23 40         05 02  05 33  06 19  18 07  21 12  02 14   8.1  2.7  33 0402+2552
 SAT AUG 23  19 38  20 24  20 54  00 37         05 03  05 33  06 20  18 09  21 15  02 19   8.2  3.7  45 0505+2727
 SUN AUG 24  19 36  20 23  20 53  01 42         05 04  05 34  06 20  18 12  21 19  02 24   8.2  4.8  58 0609+2714
 MON AUG 25  19 35  20 21  20 52  02 51  16 53  05 05  05 35  06 21  18 15  21 23  02 29   8.2  6.0  72 0712+2512
 TUE AUG 26  19 34  20 20  20 50  04 01  17 41  05 06  05 36  06 22  18 17  21 27  02 34   8.3  7.2  86 0812+2135
 WED AUG 27  19 33  20 19  20 49  05 09  18 22  05 06  05 36  06 22  18 20  21 31  02 38   8.3  8.3 100 0909+1645
 THU AUG 28  19 32  20 18  20 47  06 15  18 58  05 07  05 37  06 23  18 22  21 35  02 43   8.3  8.3 100 1001+1104
 FRI AUG 29  19 31  20 16  20 46  07 17  19 29  05 08  05 38  06 23  18 25  21 39  02 48   8.4  8.4 100 1051+0458
 SAT AUG 30  19 29  20 15  20 45         19 59  05 09  05 38  06 24  18 28  21 43  02 53   8.4  8.4 100 1139-0113
 SUN AUG 31  19 28  20 14  20 43         20 28  05 09  05 39  06 25  18 29  21 47  02 57   8.4  8.4 100 1226-0712

                ONE LINE REFERS TO EVENING DATE    NEW MOON       AUG 01   10:15  UT
                AND FOLLOWING MORNING.             FIRST QUARTER  AUG 08   20:24  UT
                All dates and times are zone CST   FULL MOON      AUG 16   21:19  UT
                in upper table (except sid time).  LAST QUARTER   AUG 23   23:53  UT
                                                   NEW MOON       AUG 30   20:00  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON SEP 01  19 27  20 12  20 42         20 58  05 10  05 40  06 25  18 32  21 51  03 02   8.5  8.2  96 1312-1245
 TUE SEP 02  19 26  20 11  20 41         21 30  05 11  05 40  06 26  18 35  21 55  03 07   8.5  7.7  90 1400-1739
 WED SEP 03  19 25  20 10  20 39         22 05  05 12  05 41  06 26  18 37  21 59  03 12   8.6  7.1  83 1449-2143
 THU SEP 04  19 23  20 08  20 38         22 44  05 12  05 42  06 27  18 40  22 03  03 16   8.6  6.5  75 1539-2448
 FRI SEP 05  19 22  20 07  20 36         23 28  05 13  05 42  06 27  18 42  22 07  03 21   8.6  5.7  66 1631-2646
 SAT SEP 06  19 21  20 06  20 35         00 16  05 14  05 43  06 28  18 45  22 11  03 26   8.6  5.0  57 1724-2731
 SUN SEP 07  19 20  20 05  20 34         01 10  05 15  05 44  06 29  18 48  22 15  03 30   8.7  4.1  47 1818-2700
 MON SEP 08  19 18  20 03  20 32         02 07  05 15  05 44  06 29  18 50  22 19  03 34   8.7  3.1  35 1911-2514
 TUE SEP 09  19 17  20 02  20 31  16 20  03 06  05 16  05 45  06 30  18 53  22 22  03 39   8.8  2.2  24 2003-2215
 WED SEP 10  19 16  20 01  20 29  16 58  04 05  05 17  05 45  06 30  18 55  22 26  03 44   8.8  1.2  13 2053-1812
 THU SEP 11  19 14  19 59  20 28  17 32  05 06  05 17  05 46  06 31  18 58  22 30  03 48   8.8  0.2   2 2142-1315
 FRI SEP 12  19 13  19 58  20 27  18 03  06 06  05 18  05 47  06 31  19 01  22 34  03 53   8.8  0.0   0 2230-0736
 SAT SEP 13  19 12  19 57  20 25  18 33  07 08  05 19  05 47  06 32  19 03  22 38  03 58   8.9  0.0   0 2318-0128
 SUN SEP 14  19 11  19 55  20 24  19 04         05 19  05 48  06 33  19 06  22 42  04 02   8.9  0.0   0 0007+0450
 MON SEP 15  19 09  19 54  20 22  19 36         05 20  05 49  06 33  19 08  22 46  04 07   9.0  0.0   0 0058+1101
 TUE SEP 16  19 08  19 53  20 21  20 11         05 21  05 49  06 34  19 10  22 50  04 12   9.0  0.0   0 0151+1644
 WED SEP 17  19 07  19 51  20 20  20 51         05 21  05 50  06 34  19 13  22 54  04 16   9.0  0.5   5 0248+2134
 THU SEP 18  19 06  19 50  20 18  21 38         05 22  05 50  06 35  19 15  22 58  04 21   9.1  1.3  14 0348+2509
 FRI SEP 19  19 04  19 49  20 17  22 32         05 23  05 51  06 35  19 18  23 02  04 26   9.1  2.2  24 0451+2708
 SAT SEP 20  19 03  19 47  20 16  23 34         05 23  05 52  06 36  19 21  23 06  04 30   9.1  3.3  36 0555+2719
 SUN SEP 21  19 02  19 46  20 14  00 41         05 24  05 52  06 37  19 23  23 10  04 35   9.2  4.4  48 0657+2544
 MON SEP 22  19 00  19 45  20 13  01 50         05 25  05 53  06 37  19 26  23 14  04 40   9.2  5.6  61 0757+2234
 TUE SEP 23  18 59  19 43  20 12  02 57  16 20  05 25  05 53  06 38  19 29  23 18  04 44   9.2  6.7  73 0853+1808
 WED SEP 24  18 58  19 42  20 10  04 02  16 57  05 26  05 54  06 38  19 31  23 22  04 49   9.3  7.9  84 0946+1249
 THU SEP 25  18 57  19 41  20 09  05 04  17 29  05 26  05 55  06 39  19 34  23 26  04 52   9.3  8.9  96 1035+0658
 FRI SEP 26  18 55  19 40  20 08  06 04  17 59  05 27  05 55  06 39  19 37  23 30  04 57   9.3  9.3 100 1123+0053
 SAT SEP 27  18 54  19 38  20 06  07 03  18 28  05 28  05 56  06 40  19 39  23 33  05 02   9.4  9.4 100 1209-0506
 SUN SEP 28  18 53  19 37  20 05         18 58  05 28  05 56  06 41  19 42  23 37  05 06   9.4  9.4 100 1256-1047
 MON SEP 29  18 52  19 36  20 04         19 29  05 29  05 57  06 41  19 45  23 41  05 11   9.4  9.4 100 1343-1556
 TUE SEP 30  18 50  19 34  20 02         20 02  05 30  05 58  06 42  19 47  23 45  05 16   9.5  9.5 100 1432-2018

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  SEP 07   14:08  UT
                AND FOLLOWING MORNING.             FULL MOON      SEP 15   09:15  UT
                All dates and times are zone CST   LAST QUARTER   SEP 22   05:08  UT
                in upper table (except sid time).  NEW MOON       SEP 29   08:14  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED OCT 01  18 49  19 33  20 01         20 40  05 30  05 58  06 42  19 50  23 49  05 20   9.5  8.8  93 1522-2344
 THU OCT 02  18 48  19 32  20 00         21 22  05 31  05 59  06 43  19 53  23 53  05 25   9.5  8.1  85 1614-2605
 FRI OCT 03  18 47  19 31  19 59         22 09  05 31  05 59  06 44  19 55  23 57  05 29   9.5  7.4  77 1707-2714
 SAT OCT 04  18 45  19 30  19 58         23 00  05 32  06 00  06 44  19 58  00 01  05 34   9.6  6.5  68 1800-2708
 SUN OCT 05  18 44  19 28  19 56         23 55  05 33  06 01  06 45  20 00  00 05  05 39   9.6  5.6  58 1853-2548
 MON OCT 06  18 43  19 27  19 55         00 52  05 33  06 01  06 45  20 03  00 09  05 43   9.6  4.7  48 1944-2316
 TUE OCT 07  18 42  19 26  19 54         01 51  05 34  06 02  06 46  20 06  00 13  05 48   9.7  3.7  38 2034-1940
 WED OCT 08  18 41  19 25  19 53         02 50  05 35  06 02  06 47  20 09  00 17  05 53   9.7  2.8  28 2123-1507
 THU OCT 09  18 39  19 24  19 52         03 50  05 35  06 03  06 47  20 12  00 21  05 57   9.7  1.8  18 2211-0948
 FRI OCT 10  18 38  19 23  19 50  16 31  04 50  05 36  06 04  06 48  20 14  00 25  06 02   9.8  0.8   7 2259-0353
 SAT OCT 11  18 37  19 21  19 49  17 01  05 53  05 36  06 04  06 49  20 17  00 29  06 06   9.8  0.0   0 2348+0221
 SUN OCT 12  18 36  19 20  19 48  17 33  06 59  05 37  06 05  06 49  20 20  00 33  06 11   9.8  0.0   0 0038+0840
 MON OCT 13  18 35  19 19  19 47  18 07         05 38  06 06  06 50  20 23  00 37  06 15   9.9  0.0   0 0131+1441
 TUE OCT 14  18 34  19 18  19 46  18 46         05 38  06 06  06 51  20 26  00 40  06 19   9.9  0.0   0 0228+1958
 WED OCT 15  18 33  19 17  19 45  19 32         05 39  06 07  06 51  20 29  00 44  06 24   9.9  0.0   0 0329+2404
 THU OCT 16  18 32  19 16  19 44  20 25         05 40  06 07  06 52  20 32  00 48  06 29   9.9  0.7   6 0433+2635
 FRI OCT 17  18 30  19 15  19 43  21 27         05 40  06 08  06 53  20 35  00 52  06 33   9.9  1.7  17 0539+2715
 SAT OCT 18  18 29  19 14  19 42  22 34         05 41  06 09  06 53  20 38  00 56  06 38  10.0  2.9  28 0643+2603
 SUN OCT 19  18 28  19 13  19 41  23 43         05 41  06 09  06 54  20 40  01 00  06 42  10.0  4.0  40 0744+2311
 MON OCT 20  18 27  19 12  19 40  00 50         05 42  06 10  06 55  20 43  01 04  06 47  10.0  5.2  51 0841+1901
 TUE OCT 21  18 26  19 11  19 39  01 55         05 43  06 11  06 55  20 46  01 08  06 52  10.1  6.3  62 0933+1356
 WED OCT 22  18 25  19 10  19 38  02 57         05 43  06 11  06 56  20 49  01 12  06 56  10.1  7.3  72 1023+0818
 THU OCT 23  18 24  19 09  19 37  03 56  16 01  05 44  06 12  06 57  20 52  01 16  07 01  10.1  8.3  82 1110+0223
 FRI OCT 24  18 23  19 08  19 36  04 55  16 30  05 45  06 13  06 58  20 55  01 20  07 06  10.1  9.3  91 1156-0330
 SAT OCT 25  18 22  19 07  19 35  05 52  16 59  05 45  06 13  06 58  20 58  01 24  07 10  10.2 10.2 100 1242-0911
 SUN OCT 26  18 21  19 06  19 34  06 50  17 29  05 46  06 14  06 59  21 01  01 28  07 15  10.2 10.2 100 1329-1425
 MON OCT 27  18 21  19 05  19 34  07 48  18 02  05 47  06 15  07 00  21 05  01 32  07 20  10.2 10.2 100 1417-1858
 TUE OCT 28  18 20  19 05  19 33         18 38  05 47  06 15  07 01  21 08  01 36  07 24  10.2 10.2 100 1506-2240
 WED OCT 29  18 19  19 04  19 32         19 18  05 48  06 16  07 01  21 11  01 40  07 29  10.3 10.3 100 1558-2520
 THU OCT 30  18 18  19 03  19 31         20 03  05 49  06 17  07 02  21 14  01 44  07 34  10.3  9.8  94 1650-2650
 FRI OCT 31  18 17  19 02  19 30         20 53  05 49  06 18  07 03  21 17  01 48  07 37  10.3  8.9  86 1743-2705

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  OCT 07   09:08  UT
                AND FOLLOWING MORNING.             FULL MOON      OCT 14   20:05  UT
                All dates and times are zone CST   LAST QUARTER   OCT 21   11:58  UT
                in upper table (except sid time).  NEW MOON       OCT 28   23:15  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT NOV 01  18 16  19 01  19 30         21 47  05 50  06 18  07 04  21 21  01 51  07 42  10.3  8.1  77 1836-2606
 SUN NOV 02  18 15  19 01  19 29         22 42  05 51  06 19  07 04  21 24  01 55  07 47  10.4  7.1  68 1928-2357
 MON NOV 03  18 15  19 00  19 28         23 39  05 51  06 20  07 05  21 27  01 59  07 51  10.4  6.2  59 2017-2043
 TUE NOV 04  18 14  18 59  19 28         00 37  05 52  06 20  07 06  21 31  02 03  07 56  10.4  5.3  50 2106-1635
 WED NOV 05  18 13  18 59  19 27         01 34  05 53  06 21  07 07  21 33  02 07  08 01  10.4  4.3  41 2153-1139
 THU NOV 06  18 12  18 58  19 26         02 33  05 54  06 22  07 08  21 36  02 11  08 06  10.5  3.4  32 2239-0607
 FRI NOV 07  18 12  18 57  19 26         03 33  05 54  06 23  07 08  21 40  02 15  08 10  10.5  2.4  22 2327-0007
 SAT NOV 08  18 11  18 57  19 25         04 36  05 55  06 23  07 09  21 43  02 19  08 15  10.5  1.3  12 0015+0603
 SUN NOV 09  18 10  18 56  19 25         05 43  05 56  06 24  07 10  21 47  02 23  08 20  10.5  0.2   2 0107+1210
 MON NOV 10  18 10  18 56  19 24  16 37  06 54  05 56  06 25  07 11  21 50  02 27  08 24  10.5  0.0   0 0203+1747
 TUE NOV 11  18 09  18 55  19 24  17 20         05 57  06 26  07 12  21 54  02 31  08 29  10.6  0.0   0 0303+2227
 WED NOV 12  18 09  18 55  19 23  18 11         05 58  06 26  07 12  21 57  02 35  08 34  10.6  0.0   0 0408+2541
 THU NOV 13  18 08  18 54  19 23  19 11         05 58  06 27  07 13  22 01  02 39  08 38  10.6  0.0   0 0515+2703
 FRI NOV 14  18 08  18 54  19 22  20 19         05 59  06 28  07 14  22 04  02 43  08 43  10.6  1.0   8 0622+2626
 SAT NOV 15  18 07  18 53  19 22  21 30         06 00  06 29  07 15  22 08  02 47  08 48  10.6  2.1  20 0726+2357
 SUN NOV 16  18 07  18 53  19 22  22 41         06 01  06 29  07 16  22 12  02 51  08 53  10.7  3.3  31 0826+1959
 MON NOV 17  18 06  18 53  19 21  23 48         06 01  06 30  07 17  22 15  02 55  08 57  10.7  4.4  41 0921+1459
 TUE NOV 18  18 06  18 52  19 21  00 52         06 02  06 31  07 17  22 19  02 58  09 01  10.7  5.5  51 1011+0922
 WED NOV 19  18 05  18 52  19 21  01 52         06 03  06 32  07 18  22 23  03 02  09 06  10.7  6.5  60 1059+0330
 THU NOV 20  18 05  18 52  19 21  02 50         06 04  06 32  07 19  22 27  03 06  09 11  10.7  7.5  69 1145-0222
 FRI NOV 21  18 05  18 51  19 20  03 47         06 04  06 33  07 20  22 30  03 10  09 15  10.7  8.4  78 1231-0801
 SAT NOV 22  18 04  18 51  19 20  04 44         06 05  06 34  07 21  22 33  03 14  09 20  10.7  9.4  87 1317-1316
 SUN NOV 23  18 04  18 51  19 20  05 41  16 03  06 06  06 35  07 22  22 37  03 18  09 25  10.8 10.3  96 1404-1756
 MON NOV 24  18 04  18 51  19 20  06 39  16 37  06 06  06 35  07 22  22 41  03 22  09 29  10.8 10.8 100 1453-2148
 TUE NOV 25  18 04  18 51  19 20  07 35  17 16  06 07  06 36  07 23  22 45  03 26  09 34  10.8 10.8 100 1544-2441
 WED NOV 26  18 04  18 51  19 20         18 00  06 08  06 37  07 24  22 49  03 30  09 39  10.8 10.8 100 1636-2628
 THU NOV 27  18 03  18 51  19 20         18 48  06 09  06 38  07 25  22 53  03 34  09 44  10.8 10.8 100 1729-2701
 FRI NOV 28  18 03  18 50  19 20         19 41  06 09  06 38  07 26  22 57  03 38  09 48  10.8 10.5  96 1822-2619
 SAT NOV 29  18 03  18 50  19 20         20 36  06 10  06 39  07 27  23 01  03 42  09 53  10.8  9.6  88 1913-2426
 SUN NOV 30  18 03  18 50  19 20         21 32  06 11  06 40  07 27  23 05  03 46  09 58  10.8  8.7  79 2003-2129

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  NOV 06   04:07  UT
                AND FOLLOWING MORNING.             FULL MOON      NOV 13   06:22  UT
                All dates and times are zone CST   LAST QUARTER   NOV 19   21:33  UT
                in upper table (except sid time).  NEW MOON       NOV 27   16:56  UT





                                MCDO OBSERVATORY CALENDAR FOR 2008  -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
    2008      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON DEC 01  18 03  18 50  19 20         22 29  06 11  06 41  07 28  23 09  03 50  10 02  10.8  7.7  70 2051-1737
 TUE DEC 02  18 03  18 50  19 20         23 25  06 12  06 41  07 29  23 13  03 54  10 07  10.9  6.8  62 2138-1259
 WED DEC 03  18 03  18 51  19 20         00 22  06 13  06 42  07 30  23 17  03 58  10 12  10.9  5.9  53 2224-0744
 THU DEC 04  18 03  18 51  19 20         01 19  06 14  06 43  07 30  23 21  04 02  10 17  10.9  4.9  45 2309-0204
 FRI DEC 05  18 03  18 51  19 20         02 18  06 14  06 44  07 31  23 25  04 05  10 21  10.9  3.9  36 2356+0351
 SAT DEC 06  18 03  18 51  19 20         03 21  06 15  06 44  07 32  23 29  04 09  10 25  10.9  2.9  26 0045+0949
 SUN DEC 07  18 03  18 51  19 20         04 28  06 16  06 45  07 33  23 33  04 13  10 30  10.9  1.8  16 0137+1531
 MON DEC 08  18 04  18 51  19 21         05 40  06 16  06 46  07 33  23 38  04 17  10 34  10.9  0.6   5 0234+2032
 TUE DEC 09  18 04  18 51  19 21         06 53  06 17  06 46  07 34  23 41  04 21  10 39  10.9  0.0   0 0337+2424
 WED DEC 10  18 04  18 52  19 21  16 49         06 18  06 47  07 35  23 45  04 25  10 44  10.9  0.0   0 0443+2638
 THU DEC 11  18 04  18 52  19 21  17 54         06 18  06 48  07 35  23 49  04 29  10 48  10.9  0.0   0 0552+2652
 FRI DEC 12  18 04  18 52  19 22  19 06         06 19  06 48  07 36  23 54  04 33  10 53  10.9  0.0   0 0659+2504
 SAT DEC 13  18 05  18 53  19 22  20 20         06 19  06 49  07 37  23 58  04 37  10 57  10.9  1.0   8 0803+2130
 SUN DEC 14  18 05  18 53  19 22  21 32         06 20  06 49  07 37  00 02  04 41  11 02  11.0  2.2  19 0902+1638
 MON DEC 15  18 05  18 53  19 23  22 40         06 21  06 50  07 38  00 07  04 45  11 07  11.0  3.3  29 0955+1058
 TUE DEC 16  18 06  18 54  19 23  23 43         06 21  06 51  07 39  00 11  04 49  11 11  11.0  4.3  39 1046+0457
 WED DEC 17  18 06  18 54  19 24  00 43         06 22  06 51  07 39  00 16  04 53  11 16  11.0  5.3  48 1133-0104
 THU DEC 18  18 07  18 55  19 24  01 42         06 22  06 52  07 40  00 20  04 57  11 20  11.0  6.3  57 1219-0653
 FRI DEC 19  18 07  18 55  19 24  02 39         06 23  06 52  07 40  00 24  05 01  11 25  11.0  7.3  66 1305-1216
 SAT DEC 20  18 07  18 55  19 25  03 36         06 23  06 53  07 41  00 29  05 05  11 29  11.0  8.2  74 1352-1703
 SUN DEC 21  18 08  18 56  19 25  04 33         06 24  06 53  07 41  00 33  05 09  11 34  11.0  9.1  83 1441-2104
 MON DEC 22  18 08  18 56  19 26  05 30         06 24  06 54  07 42  00 38  05 13  11 38  11.0 10.1  91 1531-2410
 TUE DEC 23  18 09  18 57  19 26  06 25         06 25  06 54  07 42  00 42  05 16  11 43  11.0 11.0 100 1623-2611
 WED DEC 24  18 10  18 58  19 27  07 17  16 44  06 25  06 55  07 43  00 47  05 20  11 46  11.0 11.0 100 1715-2700
 THU DEC 25  18 10  18 58  19 28         17 35  06 26  06 55  07 43  00 52  05 24  11 51  11.0 11.0 100 1808-2635
 FRI DEC 26  18 11  18 59  19 28         18 30  06 26  06 55  07 43  00 56  05 28  11 55  11.0 11.0 100 1900-2458
 SAT DEC 27  18 11  18 59  19 29         19 26  06 26  06 56  07 44  01 00  05 32  11 59  10.9 10.9 100 1951-2213
 SUN DEC 28  18 12  19 00  19 29         20 23  06 27  06 56  07 44  01 04  05 36  12 04  11.0 10.1  91 2040-1831
 MON DEC 29  18 13  19 00  19 30         21 20  06 27  06 57  07 44  01 09  05 40  12 08  10.9  9.1  83 2126-1402
 TUE DEC 30  18 13  19 01  19 31         22 16  06 27  06 57  07 45  01 14  05 44  12 12  10.9  8.2  74 2212-0857
 WED DEC 31  18 14  19 02  19 31         23 12  06 28  06 57  07 45  01 18  05 48  12 17  11.0  7.3  66 2257-0327

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  DEC 05   21:30  UT
                AND FOLLOWING MORNING.             FULL MOON      DEC 12   16:42  UT
                All dates and times are zone CST   LAST QUARTER   DEC 19   10:32  UT
                in upper table (except sid time).  NEW MOON       DEC 27   12:26  UT