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                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN JAN 01  18 14  19 02  19 31         21 28  06 28  06 57  07 45  01 21  05 51  12 20  11.0  9.0  82 2152-1636
 MON JAN 02  18 15  19 03  19 32         22 37  06 28  06 57  07 45  01 26  05 55  12 24  10.9  7.8  71 2247-1022
 TUE JAN 03  18 16  19 03  19 33         23 44  06 28  06 58  07 45  01 31  05 59  12 28  10.9  6.7  61 2338-0342
 WED JAN 04  18 16  19 04  19 33         00 48  06 29  06 58  07 46  01 35  06 03  12 33  10.9  5.7  51 0028+0300
 THU JAN 05  18 17  19 05  19 34         01 51  06 29  06 58  07 46  01 40  06 07  12 37  10.9  4.6  42 0117+0926
 FRI JAN 06  18 18  19 05  19 35         02 55  06 29  06 58  07 46  01 45  06 11  12 41  10.9  3.6  32 0207+1517
 SAT JAN 07  18 19  19 06  19 35         03 59  06 29  06 58  07 46  01 49  06 15  12 45  10.9  2.5  22 0258+2019
 SUN JAN 08  18 19  19 07  19 36         05 03  06 29  06 59  07 46  01 54  06 18  12 49  10.9  1.4  13 0352+2417
 MON JAN 09  18 20  19 08  19 37         06 04  06 29  06 59  07 46  01 59  06 22  12 52  10.9  0.4   3 0447+2659
 TUE JAN 10  18 21  19 08  19 38         07 02  06 30  06 59  07 46  02 04  06 26  12 57  10.9  0.0   0 0543+2817
 WED JAN 11  18 22  19 09  19 38  16 36  07 53  06 30  06 59  07 46  02 08  06 30  13 01  10.9  0.0   0 0640+2808
 THU JAN 12  18 23  19 10  19 39  17 33         06 30  06 59  07 46  02 13  06 34  13 05  10.9  0.0   0 0734+2635
 FRI JAN 13  18 23  19 11  19 40  18 32         06 30  06 59  07 46  02 17  06 38  13 09  10.8  0.0   0 0826+2348
 SAT JAN 14  18 24  19 11  19 40  19 31         06 30  06 59  07 46  02 21  06 42  13 13  10.8  0.0   0 0915+2002
 SUN JAN 15  18 25  19 12  19 41  20 27         06 30  06 59  07 46  02 26  06 46  13 17  10.8  0.8   7 1001+1529
 MON JAN 16  18 26  19 13  19 42  21 22         06 30  06 59  07 46  02 31  06 50  13 21  10.8  1.7  15 1045+1024
 TUE JAN 17  18 27  19 14  19 43  22 16         06 29  06 58  07 45  02 36  06 54  13 24  10.8  2.5  23 1128+0457
 WED JAN 18  18 28  19 15  19 44  23 10         06 29  06 58  07 45  02 41  06 58  13 28  10.7  3.4  31 1209-0041
 THU JAN 19  18 28  19 15  19 44  00 04         06 29  06 58  07 45  02 45  07 02  13 32  10.7  4.3  40 1252-0621
 FRI JAN 20  18 29  19 16  19 45  00 59         06 29  06 58  07 45  02 50  07 06  13 36  10.7  5.2  48 1336-1154
 SAT JAN 21  18 30  19 17  19 46  01 58         06 29  06 58  07 44  02 55  07 10  13 40  10.7  6.2  57 1423-1707
 SUN JAN 22  18 31  19 18  19 47  03 01         06 29  06 57  07 44  03 00  07 14  13 44  10.7  7.2  67 1514-2145
 MON JAN 23  18 32  19 19  19 47  04 06         06 28  06 57  07 44  03 04  07 18  13 47  10.7  8.3  77 1609-2527
 TUE JAN 24  18 33  19 19  19 48  05 13         06 28  06 57  07 43  03 09  07 22  13 51  10.7  9.4  88 1710-2749
 WED JAN 25  18 34  19 20  19 49  06 18         06 28  06 57  07 43  03 14  07 25  13 55  10.6 10.5  98 1814-2828
 THU JAN 26  18 35  19 21  19 50  07 16  16 34  06 28  06 56  07 42  03 19  07 29  13 58  10.6 10.6 100 1921-2708
 FRI JAN 27  18 35  19 22  19 50         17 48  06 27  06 56  07 42  03 23  07 33  14 01  10.6 10.6 100 2025-2352
 SAT JAN 28  18 36  19 23  19 51         19 03  06 27  06 55  07 41  03 28  07 37  14 05  10.6 10.6 100 2127-1856
 SUN JAN 29  18 37  19 23  19 52         20 16  06 26  06 55  07 41  03 33  07 41  14 08  10.6 10.2  96 2225-1247
 MON JAN 30  18 38  19 24  19 53         21 27  06 26  06 54  07 40  03 38  07 45  14 12  10.6  9.0  85 2319-0558
 TUE JAN 31  18 39  19 25  19 53         22 35  06 26  06 54  07 40  03 41  07 49  14 16  10.6  7.8  74 0011+0102

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  JAN 06   18:59  UT
                AND FOLLOWING MORNING.             FULL MOON      JAN 14   09:50  UT
                All dates and times are zone CST   LAST QUARTER   JAN 22   15:18  UT
                in upper table (except sid time).  NEW MOON       JAN 29   14:16  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED FEB 01  18 40  19 26  19 54         23 41  06 25  06 53  07 39  03 46  07 53  14 19  10.5  6.7  64 0102+0750
 THU FEB 02  18 41  19 26  19 55         00 46  06 25  06 53  07 39  03 51  07 57  14 23  10.5  5.6  53 0153+1404
 FRI FEB 03  18 41  19 27  19 56         01 52  06 24  06 52  07 38  03 56  08 01  14 26  10.5  4.5  43 0245+1926
 SAT FEB 04  18 42  19 28  19 56         02 56  06 23  06 52  07 37  04 00  08 05  14 29  10.5  3.4  33 0339+2342
 SUN FEB 05  18 43  19 29  19 57         03 59  06 23  06 51  07 37  04 05  08 09  14 33  10.4  2.4  23 0434+2642
 MON FEB 06  18 44  19 30  19 58         04 58  06 22  06 51  07 36  04 10  08 13  14 36  10.4  1.4  13 0530+2817
 TUE FEB 07  18 45  19 30  19 59         05 50  06 22  06 50  07 35  04 15  08 17  14 40  10.4  0.5   5 0626+2826
 WED FEB 08  18 46  19 31  19 59         06 36  06 21  06 49  07 35  04 19  08 21  14 43  10.4  0.0   0 0721+2711
 THU FEB 09  18 47  19 32  20 00  16 25  07 16  06 20  06 49  07 34  04 24  08 25  14 46  10.3  0.0   0 0813+2440
 FRI FEB 10  18 47  19 33  20 01  17 23  07 50  06 20  06 48  07 33  04 29  08 29  14 50  10.3  0.0   0 0903+2107
 SAT FEB 11  18 48  19 33  20 02  18 21         06 19  06 47  07 32  04 34  08 33  14 53  10.3  0.0   0 0949+1643
 SUN FEB 12  18 49  19 34  20 02  19 16         06 18  06 46  07 31  04 38  08 36  14 55  10.3  0.0   0 1034+1143
 MON FEB 13  18 50  19 35  20 03  20 11         06 17  06 46  07 31  04 43  08 40  14 58  10.2  0.1   1 1116+0618
 TUE FEB 14  18 51  19 36  20 04  21 04         06 17  06 45  07 30  04 48  08 44  15 02  10.2  1.0   9 1158+0040
 WED FEB 15  18 51  19 36  20 04  21 58         06 16  06 44  07 29  04 52  08 48  15 05  10.2  1.9  18 1240-0501
 THU FEB 16  18 52  19 37  20 05  22 52         06 15  06 43  07 28  04 57  08 52  15 08  10.2  2.8  27 1323-1036
 FRI FEB 17  18 53  19 38  20 06  23 49         06 14  06 42  07 27  05 02  08 56  15 11  10.1  3.7  36 1409-1552
 SAT FEB 18  18 54  19 39  20 07  00 49         06 13  06 41  07 26  05 06  09 00  15 14  10.1  4.7  46 1457-2036
 SUN FEB 19  18 55  19 39  20 07  01 51         06 12  06 40  07 25  05 10  09 04  15 17  10.1  5.7  56 1550-2432
 MON FEB 20  18 55  19 40  20 08  02 56         06 12  06 39  07 24  05 15  09 08  15 21  10.1  6.8  67 1647-2719
 TUE FEB 21  18 56  19 41  20 09  03 59         06 11  06 39  07 23  05 20  09 12  15 24  10.0  7.8  78 1748-2836
 WED FEB 22  18 57  19 41  20 09  04 59         06 10  06 38  07 22  05 24  09 16  15 27  10.0  8.8  88 1852-2805
 THU FEB 23  18 58  19 42  20 10  05 52         06 09  06 37  07 21  05 29  09 20  15 30  10.0  9.7  97 1956-2541
 FRI FEB 24  18 58  19 43  20 11  06 38  16 34  06 08  06 36  07 20  05 34  09 24  15 33  10.0 10.0 100 2059-2128
 SAT FEB 25  18 59  19 44  20 11  07 17  17 48  06 07  06 35  07 19  05 38  09 28  15 36   9.9  9.9 100 2158-1548
 SUN FEB 26  19 00  19 44  20 12  07 53  19 01  06 06  06 34  07 18  05 43  09 32  15 39   9.9  9.9 100 2254-0908
 MON FEB 27  19 01  19 45  20 13         20 11  06 05  06 33  07 17  05 48  09 36  15 42   9.9  9.9 100 2348-0158
 TUE FEB 28  19 01  19 46  20 14         21 21  06 04  06 31  07 16  05 53  09 40  15 45   9.8  8.7  88 0041+0511

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  FEB 05   06:31  UT
                AND FOLLOWING MORNING.             FULL MOON      FEB 13   04:47  UT
                All dates and times are zone CST   LAST QUARTER   FEB 21   07:22  UT
                in upper table (except sid time).  NEW MOON       FEB 28   00:31  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED MAR 01  19 02  19 46  20 14         22 29  06 03  06 30  07 15  05 57  09 43  15 47   9.8  7.6  77 0134+1156
 THU MAR 02  19 03  19 47  20 15         23 37  06 01  06 29  07 14  06 02  09 47  15 49   9.8  6.4  65 0227+1752
 FRI MAR 03  19 03  19 48  20 16         00 45  06 00  06 28  07 12  06 07  09 51  15 52   9.7  5.2  53 0322+2241
 SAT MAR 04  19 04  19 48  20 16         01 50  05 59  06 27  07 11  06 11  09 55  15 55   9.7  4.2  42 0418+2610
 SUN MAR 05  19 05  19 49  20 17         02 52  05 58  06 26  07 10  06 16  09 59  15 58   9.7  3.1  32 0515+2810
 MON MAR 06  19 05  19 50  20 18         03 47  05 57  06 25  07 09  06 21  10 03  16 01   9.7  2.2  22 0612+2840
 TUE MAR 07  19 06  19 50  20 18         04 35  05 56  06 24  07 08  06 25  10 07  16 04   9.6  1.3  14 0707+2743
 WED MAR 08  19 07  19 51  20 19         05 17  05 55  06 23  07 07  06 29  10 11  16 07   9.6  0.6   6 0800+2529
 THU MAR 09  19 08  19 52  20 20         05 52  05 53  06 21  07 06  06 34  10 15  16 09   9.5  0.0   0 0851+2210
 FRI MAR 10  19 08  19 52  20 20  16 15  06 22  05 52  06 20  07 04  06 38  10 19  16 12   9.5  0.0   0 0938+1757
 SAT MAR 11  19 09  19 53  20 21  17 11  06 50  05 51  06 19  07 03  06 43  10 23  16 15   9.5  0.0   0 1022+1305
 SUN MAR 12  19 10  19 54  20 22  18 05  07 15  05 50  06 18  07 02  06 48  10 27  16 18   9.5  0.0   0 1105+0743
 MON MAR 13  19 10  19 54  20 22  18 59  07 40  05 49  06 17  07 01  06 52  10 31  16 21   9.4  0.0   0 1147+0205
 TUE MAR 14  19 11  19 55  20 23  19 53         05 47  06 15  07 00  06 57  10 35  16 23   9.4  0.0   0 1230-0339
 WED MAR 15  19 12  19 56  20 24  20 47         05 46  06 14  06 58  07 02  10 39  16 26   9.4  0.4   4 1312-0919
 THU MAR 16  19 12  19 56  20 25  21 44         05 45  06 13  06 57  07 07  10 43  16 29   9.3  1.3  14 1357-1442
 FRI MAR 17  19 13  19 57  20 25  22 42         05 44  06 12  06 56  07 11  10 47  16 31   9.3  2.3  24 1445-1936
 SAT MAR 18  19 13  19 58  20 26  23 44         05 42  06 10  06 55  07 16  10 50  16 33   9.3  3.3  35 1536-2343
 SUN MAR 19  19 14  19 58  20 27  00 46         05 41  06 09  06 53  07 21  10 54  16 36   9.2  4.3  46 1631-2647
 MON MAR 20  19 15  19 59  20 27  01 49         05 40  06 08  06 52  07 25  10 58  16 39   9.2  5.4  58 1730-2828
 TUE MAR 21  19 15  20 00  20 28  02 48         05 38  06 07  06 51  07 30  11 02  16 41   9.2  6.3  69 1831-2832
 WED MAR 22  19 16  20 00  20 29  03 42         05 37  06 05  06 50  07 35  11 06  16 44   9.1  7.2  79 1933-2650
 THU MAR 23  19 17  20 01  20 29  04 29         05 36  06 04  06 48  07 39  11 10  16 47   9.1  8.0  87 2034-2323
 FRI MAR 24  19 17  20 02  20 30  05 10         05 34  06 03  06 47  07 44  11 14  16 49   9.1  8.7  95 2133-1824
 SAT MAR 25  19 18  20 02  20 31  05 46  16 35  05 33  06 02  06 46  07 49  11 18  16 52   9.0  9.0 100 2229-1214
 SUN MAR 26  19 19  20 03  20 32  06 20  17 45  05 32  06 00  06 45  07 53  11 22  16 55   9.0  9.0 100 2324-0518
 MON MAR 27  19 19  20 04  20 32  06 52  18 55  05 30  05 59  06 44  07 57  11 26  16 57   9.0  9.0 100 0017+0154
 TUE MAR 28  19 20  20 04  20 33  07 25  20 04  05 29  05 58  06 42  08 02  11 30  17 00   8.9  8.9 100 0110+0857
 WED MAR 29  19 21  20 05  20 34         21 14  05 28  05 56  06 41  08 07  11 34  17 03   8.9  8.2  92 0204+1525
 THU MAR 30  19 21  20 06  20 35         22 24  05 26  05 55  06 40  08 12  11 38  17 05   8.8  7.0  79 0259+2053
 FRI MAR 31  19 22  20 07  20 35         23 33  05 25  05 54  06 39  08 16  11 42  17 08   8.8  5.9  66 0357+2502

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  MAR 06   20:18  UT
                AND FOLLOWING MORNING.             FULL MOON      MAR 14   23:39  UT
                All dates and times are zone CST   LAST QUARTER   MAR 22   19:15  UT
                in upper table (except sid time).  NEW MOON       MAR 29   10:17  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT APR 01  19 22  20 07  20 36         00 39  05 24  05 53  06 37  08 21  11 46  17 11   8.8  4.8  53 0455+2740
 SUN APR 02  19 23  20 08  20 37         01 39  05 22  05 51  06 36  08 26  11 50  17 13   8.8  3.7  42 0554+2842
 MON APR 03  19 24  20 09  20 38         02 31  05 21  05 50  06 35  08 31  11 54  17 15   8.7  2.8  32 0651+2810
 TUE APR 04  19 24  20 09  20 38         03 15  05 20  05 49  06 34  08 35  11 58  17 18   8.7  2.1  23 0746+2615
 WED APR 05  19 25  20 10  20 39         03 52  05 18  05 47  06 32  08 40  12 01  17 20   8.7  1.4  16 0837+2311
 THU APR 06  19 26  20 11  20 40         04 25  05 17  05 46  06 31  08 45  12 05  17 23   8.6  0.9  10 0925+1911
 FRI APR 07  19 26  20 11  20 41         04 53  05 16  05 45  06 30  08 50  12 09  17 26   8.6  0.4   4 1010+1428
 SAT APR 08  19 27  20 12  20 42         05 19  05 14  05 44  06 29  08 55  12 13  17 28   8.5  0.0   0 1054+0914
 SUN APR 09  19 27  20 13  20 42  16 53  05 44  05 13  05 42  06 28  08 59  12 17  17 31   8.5  0.0   0 1136+0339
 MON APR 10  19 28  20 14  20 43  17 46  06 09  05 12  05 41  06 26  09 04  12 21  17 34   8.5  0.0   0 1218-0204
 TUE APR 11  19 29  20 14  20 44  18 41  06 35  05 10  05 40  06 25  09 09  12 25  17 36   8.4  0.0   0 1301-0749
 WED APR 12  19 29  20 15  20 45  19 37  07 04  05 09  05 38  06 24  09 14  12 29  17 39   8.4  0.0   0 1346-1320
 THU APR 13  19 30  20 16  20 46  20 36  07 37  05 07  05 37  06 23  09 18  12 33  17 41   8.4  0.0   0 1433-1825
 FRI APR 14  19 31  20 17  20 46  21 37         05 06  05 36  06 22  09 22  12 37  17 44   8.3  0.9  10 1524-2247
 SAT APR 15  19 31  20 17  20 47  22 40         05 05  05 35  06 21  09 27  12 41  17 47   8.3  1.9  22 1618-2608
 SUN APR 16  19 32  20 18  20 48  23 43         05 03  05 34  06 20  09 32  12 45  17 49   8.3  2.9  35 1716-2810
 MON APR 17  19 33  20 19  20 49  00 43         05 02  05 32  06 18  09 37  12 49  17 52   8.2  3.9  47 1817-2837
 TUE APR 18  19 33  20 20  20 50  01 37         05 01  05 31  06 17  09 42  12 53  17 55   8.2  4.8  58 1918-2722
 WED APR 19  19 34  20 20  20 51  02 25         05 00  05 30  06 16  09 47  12 57  17 57   8.1  5.6  68 2018-2426
 THU APR 20  19 35  20 21  20 52  03 06         04 58  05 29  06 15  09 52  13 01  17 59   8.1  6.2  76 2115-2001
 FRI APR 21  19 35  20 22  20 52  03 43         04 57  05 27  06 14  09 56  13 05  18 02   8.1  6.8  84 2210-1424
 SAT APR 22  19 36  20 23  20 53  04 16         04 56  05 26  06 13  10 01  13 08  18 05   8.1  7.4  91 2303-0756
 SUN APR 23  19 37  20 23  20 54  04 48  16 34  04 54  05 25  06 12  10 06  13 12  18 07   8.0  7.9  98 2355-0059
 MON APR 24  19 37  20 24  20 55  05 20  17 42  04 53  05 24  06 11  10 11  13 16  18 10   8.0  8.0 100 0047+0602
 TUE APR 25  19 38  20 25  20 56  05 54  18 50  04 52  05 23  06 10  10 16  13 20  18 13   7.9  7.9 100 0140+1242
 WED APR 26  19 39  20 26  20 57  06 32  20 00  04 51  05 22  06 09  10 21  13 24  18 16   7.9  7.9 100 0235+1837
 THU APR 27  19 39  20 27  20 58  07 14  21 10  04 49  05 21  06 08  10 26  13 28  18 18   7.8  7.7  97 0332+2323
 FRI APR 28  19 40  20 27  20 59         22 19  04 48  05 19  06 07  10 31  13 32  18 21   7.8  6.5  82 0431+2642
 SAT APR 29  19 41  20 28  21 00         23 24  04 47  05 18  06 06  10 36  13 36  18 24   7.8  5.4  69 0531+2823
 SUN APR 30  19 41  20 29  21 01         00 21  04 46  05 17  06 05  10 41  13 40  18 27   7.8  4.4  56 0631+2825

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  APR 05   12:03  UT
                AND FOLLOWING MORNING.             FULL MOON      APR 13   16:45  UT
                All dates and times are zone CST   LAST QUARTER   APR 21   03:31  UT
                in upper table (except sid time).  NEW MOON       APR 27   19:47  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON MAY 01  19 42  20 30  21 01         01 09  04 45  05 16  06 04  10 44  13 44  18 30   7.7  3.6  46 0727+2656
 TUE MAY 02  19 43  20 31  21 02         01 50  04 43  05 15  06 03  10 49  13 48  18 32   7.7  2.9  37 0820+2411
 WED MAY 03  19 43  20 31  21 03         02 25  04 42  05 14  06 02  10 54  13 52  18 35   7.7  2.3  29 0910+2024
 THU MAY 04  19 44  20 32  21 04         02 54  04 41  05 13  06 01  10 59  13 56  18 38   7.6  1.8  23 0956+1552
 FRI MAY 05  19 45  20 33  21 05         03 21  04 40  05 12  06 00  11 04  14 00  18 41   7.6  1.3  17 1040+1046
 SAT MAY 06  19 45  20 34  21 06         03 47  04 39  05 11  06 00  11 09  14 04  18 43   7.5  0.9  11 1123+0518
 SUN MAY 07  19 46  20 35  21 07         04 12  04 38  05 10  05 59  11 14  14 08  18 46   7.5  0.4   5 1205-0022
 MON MAY 08  19 47  20 36  21 08  16 32  04 37  04 37  05 09  05 58  11 19  14 12  18 49   7.5  0.0   0 1248-0606
 TUE MAY 09  19 48  20 36  21 09  17 28  05 05  04 36  05 08  05 57  11 24  14 16  18 52   7.5  0.0   0 1332-1143
 WED MAY 10  19 48  20 37  21 10  18 26  05 37  04 35  05 07  05 56  11 29  14 19  18 55   7.4  0.0   0 1418-1658
 THU MAY 11  19 49  20 38  21 11  19 27  06 13  04 34  05 07  05 56  11 34  14 23  18 58   7.4  0.0   0 1509-2136
 FRI MAY 12  19 50  20 39  21 12  20 30  06 57  04 33  05 06  05 55  11 39  14 27  19 01   7.3  0.0   0 1603-2517
 SAT MAY 13  19 50  20 40  21 13  21 34  07 49  04 32  05 05  05 54  11 44  14 31  19 04   7.3  0.4   4 1701-2741
 SUN MAY 14  19 51  20 40  21 14  22 36         04 31  05 04  05 54  11 49  14 35  19 07   7.3  1.4  18 1802-2831
 MON MAY 15  19 52  20 41  21 15  23 33         04 30  05 03  05 53  11 54  14 39  19 10   7.2  2.3  31 1904-2738
 TUE MAY 16  19 52  20 42  21 16  00 23         04 29  05 02  05 52  11 59  14 43  19 13   7.2  3.1  43 2004-2504
 WED MAY 17  19 53  20 43  21 16  01 06         04 28  05 02  05 52  12 03  14 47  19 16   7.2  3.8  53 2102-2059
 THU MAY 18  19 54  20 44  21 17  01 44         04 27  05 01  05 51  12 08  14 51  19 19   7.2  4.5  62 2157-1542
 FRI MAY 19  19 54  20 44  21 18  02 17         04 26  05 00  05 50  12 12  14 55  19 22   7.1  5.0  69 2249-0933
 SAT MAY 20  19 55  20 45  21 19  02 48         04 26  05 00  05 50  12 17  14 59  19 26   7.1  5.5  77 2340-0254
 SUN MAY 21  19 56  20 46  21 20  03 19         04 25  04 59  05 49  12 22  15 03  19 29   7.1  6.0  84 0030+0354
 MON MAY 22  19 56  20 47  21 21  03 51  16 34  04 24  04 58  05 49  12 27  15 07  19 31   7.0  6.5  92 0121+1031
 TUE MAY 23  19 57  20 48  21 22  04 26  17 42  04 23  04 58  05 48  12 32  15 11  19 34   7.0  7.0 100 0214+1635
 WED MAY 24  19 58  20 48  21 23  05 06  18 50  04 23  04 57  05 48  12 37  15 15  19 38   7.0  7.0 100 0310+2142
 THU MAY 25  19 58  20 49  21 24  05 52  19 59  04 22  04 57  05 47  12 42  15 19  19 41   7.0  7.0 100 0408+2532
 FRI MAY 26  19 59  20 50  21 24  06 44  21 06  04 21  04 56  05 47  12 46  15 23  19 44   7.0  7.0 100 0508+2750
 SAT MAY 27  19 59  20 50  21 25  07 42  22 07  04 21  04 56  05 47  12 51  15 26  19 48   6.9  6.2  89 0608+2828
 SUN MAY 28  20 00  20 51  21 26         23 00  04 20  04 55  05 46  12 56  15 30  19 51   6.9  5.3  77 0706+2730
 MON MAY 29  20 01  20 52  21 27         23 45  04 20  04 55  05 46  13 01  15 34  19 55   6.9  4.6  66 0802+2507
 TUE MAY 30  20 01  20 53  21 28         00 22  04 19  04 54  05 46  13 06  15 38  19 58   6.8  3.9  57 0853+2137
 WED MAY 31  20 02  20 53  21 28         00 54  04 19  04 54  05 45  13 10  15 42  20 02   6.8  3.4  49 0941+1716

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  MAY 05   05:16  UT
                AND FOLLOWING MORNING.             FULL MOON      MAY 13   06:55  UT
                All dates and times are zone CST   LAST QUARTER   MAY 20   09:23  UT
                in upper table (except sid time).  NEW MOON       MAY 27   05:29  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU JUN 01  20 02  20 54  21 29         01 22  04 18  04 54  05 45  13 15  15 46  20 05   6.8  2.9  43 1026+1218
 FRI JUN 02  20 03  20 55  21 30         01 48  04 18  04 53  05 45  13 20  15 50  20 09   6.8  2.5  36 1109+0656
 SAT JUN 03  20 03  20 55  21 31         02 13  04 17  04 53  05 45  13 25  15 54  20 12   6.8  2.1  30 1151+0120
 SUN JUN 04  20 04  20 56  21 31         02 38  04 17  04 53  05 44  13 29  15 58  20 16   6.8  1.7  24 1233-0420
 MON JUN 05  20 04  20 56  21 32         03 05  04 17  04 52  05 44  13 34  16 02  20 20   6.8  1.2  17 1316-0958
 TUE JUN 06  20 05  20 57  21 33  16 13  03 35  04 16  04 52  05 44  13 39  16 06  20 23   6.7  0.7  10 1402-1519
 WED JUN 07  20 05  20 58  21 33  17 13  04 09  04 16  04 52  05 44  13 42  16 10  20 27   6.7  0.1   1 1451-2010
 THU JUN 08  20 06  20 58  21 34  18 16  04 50  04 16  04 52  05 44  13 47  16 14  20 30   6.7  0.0   0 1544-2411
 FRI JUN 09  20 06  20 59  21 35  19 21  05 39  04 16  04 52  05 44  13 52  16 18  20 34   6.7  0.0   0 1642-2702
 SAT JUN 10  20 07  20 59  21 35  20 25  06 37  04 16  04 52  05 44  13 56  16 22  20 38   6.7  0.0   0 1743-2822
 SUN JUN 11  20 07  21 00  21 36  21 25  07 42  04 15  04 51  05 44  14 01  16 26  20 41   6.6  0.0   0 1846-2757
 MON JUN 12  20 08  21 00  21 36  22 19         04 15  04 51  05 44  14 05  16 30  20 45   6.6  0.7  10 1948-2545
 TUE JUN 13  20 08  21 01  21 37  23 05         04 15  04 51  05 44  14 10  16 34  20 49   6.6  1.5  22 2048-2155
 WED JUN 14  20 08  21 01  21 37  23 45         04 15  04 51  05 44  14 14  16 37  20 53   6.6  2.1  32 2144-1648
 THU JUN 15  20 09  21 01  21 38  00 19         04 15  04 51  05 44  14 19  16 41  20 57   6.6  2.7  40 2238-1046
 FRI JUN 16  20 09  21 02  21 38  00 51         04 15  04 52  05 44  14 23  16 45  21 01   6.6  3.2  48 2328-0412
 SAT JUN 17  20 09  21 02  21 38  01 21         04 15  04 52  05 44  14 27  16 49  21 05   6.6  3.7  56 0018+0231
 SUN JUN 18  20 10  21 02  21 39  01 52         04 15  04 52  05 44  14 32  16 53  21 09   6.6  4.2  63 0108+0905
 MON JUN 19  20 10  21 03  21 39  02 26         04 16  04 52  05 45  14 36  16 57  21 14   6.6  4.8  72 0200+1510
 TUE JUN 20  20 10  21 03  21 39  03 03  16 38  04 16  04 52  05 45  14 40  17 01  21 18   6.6  5.4  81 0253+2025
 WED JUN 21  20 11  21 03  21 39  03 45  17 46  04 16  04 52  05 45  14 44  17 05  21 22   6.6  6.1  92 0350+2433
 THU JUN 22  20 11  21 03  21 40  04 34  18 52  04 16  04 53  05 45  14 49  17 09  21 26   6.6  6.6 100 0448+2716
 FRI JUN 23  20 11  21 04  21 40  05 30  19 55  04 16  04 53  05 45  14 53  17 13  21 30   6.6  6.6 100 0548+2824
 SAT JUN 24  20 11  21 04  21 40  06 29  20 51  04 17  04 53  05 46  14 56  17 17  21 35   6.6  6.6 100 0646+2756
 SUN JUN 25  20 11  21 04  21 40  07 31  21 38  04 17  04 53  05 46  15 00  17 21  21 39   6.6  6.6 100 0743+2558
 MON JUN 26  20 11  21 04  21 40         22 19  04 17  04 54  05 46  15 04  17 25  21 42   6.6  6.0  90 0836+2246
 TUE JUN 27  20 12  21 04  21 40         22 53  04 18  04 54  05 47  15 08  17 29  21 47   6.6  5.4  81 0925+1838
 WED JUN 28  20 12  21 04  21 40         23 22  04 18  04 54  05 47  15 12  17 33  21 51   6.6  4.9  74 1011+1348
 THU JUN 29  20 12  21 04  21 40         23 49  04 19  04 55  05 47  15 16  17 37  21 56   6.7  4.5  67 1054+0831
 FRI JUN 30  20 12  21 04  21 40         00 14  04 19  04 55  05 48  15 20  17 41  22 00   6.7  4.1  61 1137+0258

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  JUN 03   23:08  UT
                AND FOLLOWING MORNING.             FULL MOON      JUN 11   18:06  UT
                All dates and times are zone CST   LAST QUARTER   JUN 18   14:11  UT
                in upper table (except sid time).  NEW MOON       JUN 25   16:06  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT JUL 01  20 12  21 04  21 40         00 39  04 20  04 56  05 48  15 24  17 44  22 05   6.7  3.7  55 1218-0240
 SUN JUL 02  20 12  21 04  21 40         01 05  04 20  04 56  05 48  15 28  17 48  22 09   6.7  3.3  48 1301-0816
 MON JUL 03  20 12  21 04  21 40         01 33  04 21  04 57  05 49  15 32  17 52  22 14   6.7  2.8  41 1345-1340
 TUE JUL 04  20 12  21 04  21 40         02 05  04 21  04 57  05 49  15 36  17 56  22 18   6.7  2.3  33 1432-1838
 WED JUL 05  20 11  21 04  21 39         02 42  04 22  04 58  05 50  15 39  18 00  22 23   6.7  1.7  24 1523-2256
 THU JUL 06  20 11  21 03  21 39  17 03  03 27  04 22  04 58  05 50  15 43  18 04  22 27   6.7  0.9  13 1619-2613
 FRI JUL 07  20 11  21 03  21 39  18 08  04 22  04 23  04 59  05 51  15 47  18 08  22 32   6.7  0.0   0 1719-2807
 SAT JUL 08  20 11  21 03  21 39  19 11  05 25  04 24  04 59  05 51  15 51  18 12  22 37   6.8  0.0   0 1822-2820
 SUN JUL 09  20 11  21 03  21 38  20 08  06 34  04 24  05 00  05 52  15 54  18 16  22 41   6.8  0.0   0 1926-2642
 MON JUL 10  20 11  21 02  21 38  20 59  07 46  04 25  05 00  05 52  15 58  18 20  22 46   6.8  0.0   0 2028-2316
 TUE JUL 11  20 10  21 02  21 37  21 42         04 26  05 01  05 53  16 01  18 24  22 51   6.8  0.1   1 2127-1821
 WED JUL 12  20 10  21 02  21 37  22 19         04 26  05 02  05 53  16 04  18 28  22 55   6.8  0.7  10 2223-1221
 THU JUL 13  20 10  21 01  21 36  22 52         04 27  05 02  05 54  16 07  18 32  23 00   6.8  1.3  18 2315-0543
 FRI JUL 14  20 10  21 01  21 36  23 24         04 28  05 03  05 54  16 11  18 36  23 04   6.9  1.8  26 0006+0109
 SAT JUL 15  20 09  21 00  21 35  23 55         04 29  05 04  05 55  16 14  18 40  23 09   6.9  2.3  33 0057+0752
 SUN JUL 16  20 09  21 00  21 35  00 27         04 30  05 04  05 56  16 18  18 44  23 14   6.9  2.9  41 0148+1405
 MON JUL 17  20 08  20 59  21 34  01 03         04 30  05 05  05 56  16 21  18 48  23 18   6.9  3.5  50 0240+1931
 TUE JUL 18  20 08  20 59  21 34  01 43         04 31  05 06  05 57  16 25  18 51  23 23   6.9  4.1  59 0336+2351
 WED JUL 19  20 08  20 58  21 33  02 29  16 44  04 32  05 06  05 57  16 28  18 55  23 28   7.0  4.9  70 0433+2651
 THU JUL 20  20 07  20 58  21 32  03 22  17 47  04 33  05 07  05 58  16 31  18 59  23 33   7.0  5.8  83 0531+2821
 FRI JUL 21  20 07  20 57  21 31  04 20  18 44  04 34  05 08  05 58  16 34  19 03  23 38   7.1  6.8  96 0630+2816
 SAT JUL 22  20 06  20 57  21 31  05 20  19 34  04 34  05 09  05 59  16 38  19 07  23 42   7.1  7.1 100 0726+2641
 SUN JUL 23  20 06  20 56  21 30  06 21  20 17  04 35  05 09  06 00  16 41  19 11  23 47   7.1  7.1 100 0820+2348
 MON JUL 24  20 05  20 55  21 29  07 20  20 52  04 36  05 10  06 00  16 44  19 15  23 52   7.1  7.1 100 0910+1954
 TUE JUL 25  20 04  20 54  21 28         21 23  04 37  05 11  06 01  16 47  19 19  23 57   7.1  7.1 100 0957+1513
 WED JUL 26  20 04  20 54  21 27         21 51  04 38  05 12  06 02  16 50  19 23  00 02   7.2  6.8  94 1041+1001
 THU JUL 27  20 03  20 53  21 27         22 16  04 39  05 12  06 02  16 54  19 27  00 07   7.2  6.4  88 1123+0430
 FRI JUL 28  20 02  20 52  21 26         22 41  04 40  05 13  06 03  16 56  19 31  00 12   7.2  6.0  82 1205-0107
 SAT JUL 29  20 02  20 51  21 25         23 06  04 41  05 14  06 03  16 59  19 35  00 17   7.3  5.6  76 1247-0644
 SUN JUL 30  20 01  20 51  21 24         23 33  04 41  05 15  06 04  17 02  19 39  00 21   7.3  5.1  70 1330-1209
 MON JUL 31  20 00  20 50  21 23         00 02  04 42  05 15  06 05  17 05  19 43  00 26   7.3  4.7  63 1415-1713

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  JUL 03   16:38  UT
                AND FOLLOWING MORNING.             FULL MOON      JUL 11   03:04  UT
                All dates and times are zone CST   LAST QUARTER   JUL 17   19:16  UT
                in upper table (except sid time).  NEW MOON       JUL 25   04:30  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE AUG 01  20 00  20 49  21 22         00 36  04 43  05 16  06 05  17 08  19 47  00 30   7.3  4.1  56 1504-2141
 WED AUG 02  19 59  20 48  21 21         01 17  04 44  05 17  06 06  17 11  19 51  00 35   7.4  3.5  46 1557-2517
 THU AUG 03  19 58  20 47  21 20         02 06  04 45  05 18  06 07  17 14  19 55  00 40   7.4  2.7  35 1655-2742
 FRI AUG 04  19 57  20 46  21 19  16 53  03 05  04 46  05 19  06 07  17 17  19 59  00 45   7.4  1.7  22 1756-2835
 SAT AUG 05  19 56  20 45  21 18  17 53  04 11  04 47  05 19  06 08  17 20  20 02  00 50   7.5  0.6   8 1859-2741
 SUN AUG 06  19 56  20 44  21 17  18 47  05 23  04 48  05 20  06 09  17 23  20 06  00 55   7.5  0.0   0 2002-2456
 MON AUG 07  19 55  20 43  21 15  19 34  06 36  04 49  05 21  06 09  17 25  20 10  01 00   7.6  0.0   0 2103-2030
 TUE AUG 08  19 54  20 42  21 14  20 14  07 48  04 50  05 22  06 10  17 28  20 14  01 05   7.6  0.0   0 2201-1443
 WED AUG 09  19 53  20 41  21 13  20 50         04 50  05 22  06 11  17 31  20 18  01 09   7.6  0.0   0 2256-0803
 THU AUG 10  19 52  20 40  21 12  21 23         04 51  05 23  06 11  17 34  20 22  01 14   7.6  0.2   2 2349-0058
 FRI AUG 11  19 51  20 39  21 11  21 55         04 52  05 24  06 12  17 37  20 26  01 19   7.7  0.7   9 0041+0604
 SAT AUG 12  19 50  20 38  21 10  22 28         04 53  05 25  06 12  17 40  20 30  01 24   7.7  1.3  16 0134+1240
 SUN AUG 13  19 49  20 37  21 08  23 03         04 54  05 25  06 13  17 42  20 34  01 29   7.8  1.9  24 0227+1828
 MON AUG 14  19 48  20 36  21 07  23 42         04 55  05 26  06 14  17 44  20 38  01 34   7.8  2.6  33 0322+2309
 TUE AUG 15  19 47  20 35  21 06  00 26         04 56  05 27  06 14  17 47  20 42  01 39   7.8  3.3  42 0420+2629
 WED AUG 16  19 46  20 33  21 05  01 17         04 56  05 28  06 15  17 50  20 46  01 43   7.8  4.2  53 0518+2818
 THU AUG 17  19 45  20 32  21 03  02 13  16 40  04 57  05 28  06 16  17 52  20 50  01 48   7.9  5.2  65 0616+2832
 FRI AUG 18  19 44  20 31  21 02  03 13  17 32  04 58  05 29  06 16  17 55  20 54  01 53   7.9  6.2  77 0713+2717
 SAT AUG 19  19 43  20 30  21 01  04 14  18 16  04 59  05 30  06 17  17 58  20 58  01 57   8.0  7.2  90 0807+2442
 SUN AUG 20  19 42  20 29  20 59  05 13  18 54  05 00  05 31  06 17  18 00  21 02  02 02   8.0  8.0 100 0857+2102
 MON AUG 21  19 41  20 28  20 58  06 10  19 26  05 01  05 31  06 18  18 03  21 06  02 07   8.0  8.0 100 0945+1631
 TUE AUG 22  19 40  20 26  20 57  07 06  19 54  05 02  05 32  06 19  18 06  21 09  02 12   8.1  8.1 100 1029+1126
 WED AUG 23  19 39  20 25  20 56  07 59  20 20  05 02  05 33  06 19  18 09  21 13  02 16   8.1  8.1 100 1112+0558
 THU AUG 24  19 38  20 24  20 54         20 44  05 03  05 33  06 20  18 11  21 17  02 21   8.2  8.2 100 1154+0019
 FRI AUG 25  19 36  20 23  20 53         21 09  05 04  05 34  06 20  18 14  21 21  02 26   8.2  7.9  96 1235-0519
 SAT AUG 26  19 35  20 21  20 52         21 35  05 05  05 35  06 21  18 17  21 25  02 31   8.2  7.5  91 1318-1048
 SUN AUG 27  19 34  20 20  20 50         22 03  05 06  05 36  06 22  18 19  21 29  02 36   8.3  7.1  85 1402-1557
 MON AUG 28  19 33  20 19  20 49         22 35  05 06  05 36  06 22  18 22  21 33  02 40   8.3  6.5  78 1449-2033
 TUE AUG 29  19 32  20 18  20 47         23 12  05 07  05 37  06 23  18 24  21 37  02 45   8.3  5.9  70 1540-2423
 WED AUG 30  19 31  20 16  20 46         23 56  05 08  05 38  06 23  18 26  21 41  02 50   8.4  5.2  62 1634-2709
 THU AUG 31  19 29  20 15  20 45         00 49  05 09  05 38  06 24  18 29  21 45  02 55   8.4  4.3  51 1733-2834

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  AUG 02   08:47  UT
                AND FOLLOWING MORNING.             FULL MOON      AUG 09   10:56  UT
                All dates and times are zone CST   LAST QUARTER   AUG 16   01:53  UT
                in upper table (except sid time).  NEW MOON       AUG 23   19:10  UT
                                                   FIRST QUARTER  AUG 31   22:59  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI SEP 01  19 28  20 14  20 43         01 50  05 09  05 39  06 25  18 31  21 49  02 59   8.4  3.3  39 1834-2822
 SAT SEP 02  19 27  20 12  20 42  16 33  02 58  05 10  05 40  06 25  18 34  21 53  03 04   8.5  2.2  25 1936-2624
 SUN SEP 03  19 26  20 11  20 41  17 22  04 09  05 11  05 40  06 26  18 37  21 57  03 09   8.5  1.0  12 2037-2242
 MON SEP 04  19 25  20 10  20 39  18 05  05 22  05 12  05 41  06 26  18 39  22 01  03 14   8.6  0.0   0 2136-1728
 TUE SEP 05  19 23  20 08  20 38  18 44  06 33  05 12  05 42  06 27  18 42  22 05  03 18   8.6  0.0   0 2232-1106
 WED SEP 06  19 22  20 07  20 36  19 18  07 44  05 13  05 42  06 27  18 44  22 09  03 22   8.6  0.0   0 2327-0401
 THU SEP 07  19 21  20 06  20 35  19 51         05 14  05 43  06 28  18 47  22 13  03 27   8.6  0.0   0 0020+0316
 FRI SEP 08  19 20  20 05  20 34  20 24         05 15  05 44  06 29  18 50  22 17  03 32   8.7  0.0   0 0114+1019
 SAT SEP 09  19 18  20 03  20 32  21 00         05 15  05 44  06 29  18 52  22 20  03 36   8.7  0.5   5 0209+1640
 SUN SEP 10  19 17  20 02  20 31  21 38         05 16  05 45  06 30  18 55  22 24  03 41   8.8  1.1  12 0305+2156
 MON SEP 11  19 16  20 01  20 29  22 22         05 17  05 45  06 30  18 57  22 28  03 46   8.8  1.9  21 0404+2548
 TUE SEP 12  19 14  19 59  20 28  23 12         05 17  05 46  06 31  19 00  22 32  03 50   8.8  2.7  31 0503+2805
 WED SEP 13  19 13  19 58  20 27  00 08         05 18  05 47  06 31  19 03  22 36  03 55   8.8  3.7  41 0602+2843
 THU SEP 14  19 12  19 57  20 25  01 07         05 19  05 47  06 32  19 05  22 40  04 00   8.9  4.7  52 0700+2747
 FRI SEP 15  19 11  19 55  20 24  02 07  16 16  05 19  05 48  06 33  19 08  22 44  04 04   8.9  5.7  64 0754+2528
 SAT SEP 16  19 09  19 54  20 22  03 07  16 55  05 20  05 49  06 33  19 09  22 48  04 09   9.0  6.7  75 0845+2202
 SUN SEP 17  19 08  19 53  20 21  04 05  17 29  05 21  05 49  06 34  19 12  22 52  04 14   9.0  7.7  85 0933+1743
 MON SEP 18  19 07  19 51  20 20  05 00  17 58  05 21  05 50  06 34  19 15  22 56  04 18   9.0  8.7  96 1018+1246
 TUE SEP 19  19 06  19 50  20 18  05 54  18 24  05 22  05 50  06 35  19 17  23 00  04 23   9.1  9.1 100 1101+0723
 WED SEP 20  19 04  19 49  20 17  06 48  18 49  05 23  05 51  06 35  19 20  23 04  04 28   9.1  9.1 100 1143+0146
 THU SEP 21  19 03  19 47  20 16  07 41  19 13  05 23  05 52  06 36  19 23  23 08  04 32   9.1  9.1 100 1225-0354
 FRI SEP 22  19 02  19 46  20 14         19 39  05 24  05 52  06 37  19 25  23 12  04 37   9.2  9.2 100 1307-0928
 SAT SEP 23  19 00  19 45  20 13         20 06  05 25  05 53  06 37  19 28  23 16  04 42   9.2  9.2 100 1351-1443
 SUN SEP 24  18 59  19 43  20 12         20 36  05 25  05 53  06 38  19 31  23 20  04 45   9.2  8.8  95 1437-1929
 MON SEP 25  18 58  19 42  20 10         21 11  05 26  05 54  06 38  19 33  23 24  04 50   9.3  8.3  89 1526-2330
 TUE SEP 26  18 57  19 41  20 09         21 52  05 26  05 55  06 39  19 36  23 27  04 54   9.3  7.6  81 1619-2632
 WED SEP 27  18 55  19 40  20 08         22 41  05 27  05 55  06 39  19 39  23 31  04 59   9.3  6.8  72 1715-2820
 THU SEP 28  18 54  19 38  20 06         23 37  05 28  05 56  06 40  19 41  23 35  05 04   9.4  5.8  62 1814-2838
 FRI SEP 29  18 53  19 37  20 05         00 40  05 28  05 56  06 41  19 44  23 39  05 08   9.4  4.8  51 1914-2718
 SAT SEP 30  18 52  19 36  20 04         01 48  05 29  05 57  06 41  19 47  23 43  05 13   9.4  3.7  39 2014-2418

                ONE LINE REFERS TO EVENING DATE    FULL MOON      SEP 07   18:45  UT
                AND FOLLOWING MORNING.             LAST QUARTER   SEP 14   11:17  UT
                All dates and times are zone CST   NEW MOON       SEP 22   11:48  UT
                in upper table (except sid time).  FIRST QUARTER  SEP 30   11:06  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN OCT 01  18 50  19 34  20 02         02 58  05 30  05 58  06 42  19 49  23 47  05 18   9.5  2.5  26 2112-1947
 MON OCT 02  18 49  19 33  20 01  16 36  04 08  05 30  05 58  06 42  19 51  23 51  05 22   9.5  1.4  14 2208-1400
 TUE OCT 03  18 48  19 32  20 00  17 12  05 18  05 31  05 59  06 43  19 54  23 55  05 27   9.5  0.2   2 2302-0718
 WED OCT 04  18 47  19 31  19 59  17 45  06 28  05 31  05 59  06 44  19 57  23 59  05 31   9.5  0.0   0 2355-0005
 THU OCT 05  18 45  19 30  19 58  18 18  07 39  05 32  06 00  06 44  20 00  00 03  05 36   9.6  0.0   0 0049+0709
 FRI OCT 06  18 44  19 28  19 56  18 53         05 33  06 01  06 45  20 02  00 07  05 41   9.6  0.0   0 0144+1357
 SAT OCT 07  18 43  19 27  19 55  19 31         05 33  06 01  06 45  20 05  00 11  05 45   9.6  0.0   0 0241+1952
 SUN OCT 08  18 42  19 26  19 54  20 13         05 34  06 02  06 46  20 08  00 15  05 50   9.7  0.3   3 0341+2427
 MON OCT 09  18 41  19 25  19 53  21 02         05 35  06 02  06 47  20 11  00 19  05 55   9.7  1.1  11 0442+2725
 TUE OCT 10  18 39  19 24  19 52  21 58         05 35  06 03  06 47  20 14  00 23  05 59   9.7  2.1  21 0543+2838
 WED OCT 11  18 38  19 23  19 50  22 57         05 36  06 04  06 48  20 16  00 27  06 04   9.8  3.1  31 0643+2809
 THU OCT 12  18 37  19 21  19 49  23 59         05 36  06 04  06 49  20 19  00 31  06 07   9.8  4.2  42 0740+2611
 FRI OCT 13  18 36  19 20  19 48  01 00         05 37  06 05  06 49  20 22  00 35  06 12   9.8  5.2  52 0832+2259
 SAT OCT 14  18 35  19 19  19 47  01 58         05 38  06 06  06 50  20 25  00 38  06 17   9.9  6.2  62 0921+1851
 SUN OCT 15  18 34  19 18  19 46  02 55  16 01  05 38  06 06  06 51  20 28  00 42  06 21   9.9  7.2  72 1007+1403
 MON OCT 16  18 33  19 17  19 45  03 49  16 28  05 39  06 07  06 51  20 31  00 46  06 26   9.9  8.1  81 1050+0846
 TUE OCT 17  18 32  19 16  19 44  04 42  16 53  05 40  06 07  06 52  20 34  00 50  06 31   9.9  9.0  90 1132+0313
 WED OCT 18  18 30  19 15  19 43  05 35  17 18  05 40  06 08  06 53  20 37  00 54  06 35   9.9  9.9  99 1214-0226
 THU OCT 19  18 29  19 14  19 42  06 29  17 43  05 41  06 09  06 53  20 39  00 58  06 40  10.0 10.0 100 1256-0803
 FRI OCT 20  18 28  19 13  19 41  07 25  18 09  05 41  06 09  06 54  20 42  01 02  06 44  10.0 10.0 100 1339-1325
 SAT OCT 21  18 27  19 12  19 40         18 39  05 42  06 10  06 55  20 45  01 06  06 49  10.0 10.0 100 1425-1820
 SUN OCT 22  18 26  19 11  19 39         19 13  05 43  06 11  06 55  20 48  01 10  06 54  10.1 10.1 100 1514-2234
 MON OCT 23  18 25  19 10  19 38         19 52  05 43  06 11  06 56  20 51  01 14  06 58  10.1  9.8  97 1607-2551
 TUE OCT 24  18 24  19 09  19 37         20 38  05 44  06 12  06 57  20 54  01 18  07 03  10.1  9.1  89 1702-2756
 WED OCT 25  18 23  19 08  19 36         21 32  05 45  06 13  06 58  20 57  01 22  07 08  10.1  8.2  80 1800-2835
 THU OCT 26  18 22  19 07  19 35         22 32  05 45  06 13  06 58  21 00  01 26  07 12  10.2  7.2  70 1859-2740
 FRI OCT 27  18 21  19 06  19 34         23 36  05 46  06 14  06 59  21 03  01 30  07 17  10.2  6.2  60 1957-2510
 SAT OCT 28  18 21  19 05  19 34         00 43  05 47  06 15  07 00  21 07  01 34  07 22  10.2  5.1  49 2054-2113
 SUN OCT 29  18 20  19 05  19 33         01 51  05 47  06 15  07 01  21 10  01 38  07 26  10.2  3.9  38 2148-1600
 MON OCT 30  18 19  19 04  19 32         02 58  05 48  06 16  07 01  21 13  01 42  07 30  10.3  2.8  27 2241-0949
 TUE OCT 31  18 18  19 03  19 31         04 05  05 49  06 17  07 02  21 16  01 45  07 35  10.3  1.7  16 2333-0300

                ONE LINE REFERS TO EVENING DATE    FULL MOON      OCT 07   03:17  UT
                AND FOLLOWING MORNING.             LAST QUARTER   OCT 14   00:27  UT
                All dates and times are zone CST   NEW MOON       OCT 22   05:18  UT
                in upper table (except sid time).  FIRST QUARTER  OCT 29   21:27  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED NOV 01  18 17  19 02  19 30  16 13  05 14  05 49  06 18  07 03  21 19  01 49  07 39  10.3  0.6   5 0025+0403
 THU NOV 02  18 16  19 01  19 30  16 46  06 24  05 50  06 18  07 04  21 23  01 53  07 44  10.3  0.0   0 0119+1058
 FRI NOV 03  18 15  19 01  19 29  17 22  07 37  05 51  06 19  07 04  21 26  01 57  07 49  10.4  0.0   0 0215+1716
 SAT NOV 04  18 15  19 00  19 28  18 02         05 51  06 20  07 05  21 28  02 01  07 53  10.4  0.0   0 0314+2230
 SUN NOV 05  18 14  18 59  19 28  18 49         05 52  06 20  07 06  21 32  02 05  07 58  10.4  0.0   0 0415+2614
 MON NOV 06  18 13  18 59  19 27  19 42         05 53  06 21  07 07  21 35  02 09  08 03  10.4  0.2   2 0518+2813
 TUE NOV 07  18 12  18 58  19 26  20 42         05 54  06 22  07 08  21 38  02 13  08 08  10.5  1.3  12 0621+2822
 WED NOV 08  18 12  18 57  19 26  21 45         05 54  06 23  07 08  21 42  02 17  08 12  10.5  2.3  22 0720+2652
 THU NOV 09  18 11  18 57  19 25  22 48         05 55  06 23  07 09  21 45  02 21  08 17  10.5  3.4  32 0815+2358
 FRI NOV 10  18 10  18 56  19 25  23 49         05 56  06 24  07 10  21 49  02 25  08 22  10.5  4.4  41 0906+2002
 SAT NOV 11  18 10  18 56  19 24  00 47         05 56  06 25  07 11  21 52  02 29  08 26  10.5  5.4  51 0953+1522
 SUN NOV 12  18 09  18 55  19 24  01 42         05 57  06 26  07 12  21 56  02 33  08 31  10.6  6.3  59 1038+1011
 MON NOV 13  18 09  18 55  19 23  02 36         05 58  06 26  07 12  21 59  02 37  08 36  10.6  7.2  68 1120+0442
 TUE NOV 14  18 08  18 54  19 23  03 29         05 58  06 27  07 13  22 03  02 41  08 40  10.6  8.1  76 1202-0055
 WED NOV 15  18 08  18 54  19 22  04 22         05 59  06 28  07 14  22 06  02 45  08 45  10.6  9.0  84 1244-0631
 THU NOV 16  18 07  18 53  19 22  05 17  16 12  06 00  06 29  07 15  22 10  02 49  08 50  10.6  9.9  93 1327-1157
 FRI NOV 17  18 07  18 53  19 22  06 14  16 40  06 01  06 29  07 16  22 14  02 52  08 54  10.7 10.7 100 1412-1700
 SAT NOV 18  18 06  18 53  19 21  07 13  17 13  06 01  06 30  07 17  22 17  02 56  08 58  10.7 10.7 100 1501-2127
 SUN NOV 19  18 06  18 52  19 21         17 51  06 02  06 31  07 17  22 21  03 00  09 03  10.7 10.7 100 1553-2501
 MON NOV 20  18 05  18 52  19 21         18 35  06 03  06 32  07 18  22 25  03 04  09 08  10.7 10.7 100 1648-2725
 TUE NOV 21  18 05  18 52  19 21         19 27  06 04  06 32  07 19  22 28  03 08  09 13  10.7 10.6  99 1746-2824
 WED NOV 22  18 05  18 51  19 20         20 26  06 04  06 33  07 20  22 31  03 12  09 17  10.7  9.6  89 1845-2749
 THU NOV 23  18 04  18 51  19 20         21 30  06 05  06 34  07 21  22 35  03 16  09 22  10.7  8.6  79 1944-2539
 FRI NOV 24  18 04  18 51  19 20         22 36  06 06  06 35  07 22  22 39  03 20  09 27  10.8  7.5  69 2041-2200
 SAT NOV 25  18 04  18 51  19 20         23 42  06 06  06 35  07 22  22 43  03 24  09 31  10.8  6.4  59 2135-1708
 SUN NOV 26  18 04  18 51  19 20         00 47  06 07  06 36  07 23  22 47  03 28  09 36  10.8  5.3  49 2227-1119
 MON NOV 27  18 04  18 51  19 20         01 52  06 08  06 37  07 24  22 51  03 32  09 41  10.8  4.3  39 2318-0452
 TUE NOV 28  18 03  18 51  19 20         02 58  06 09  06 38  07 25  22 55  03 36  09 46  10.8  3.2  29 0008+0154
 WED NOV 29  18 03  18 50  19 20         04 05  06 09  06 38  07 26  22 59  03 40  09 50  10.8  2.1  19 0059+0839
 THU NOV 30  18 03  18 50  19 20         05 14  06 10  06 39  07 27  23 03  03 44  09 55  10.8  0.9   8 0152+1500

                ONE LINE REFERS TO EVENING DATE    FULL MOON      NOV 05   13:02  UT
                AND FOLLOWING MORNING.             LAST QUARTER   NOV 12   17:48  UT
                All dates and times are zone CST   NEW MOON       NOV 20   22:21  UT
                in upper table (except sid time).  FIRST QUARTER  NOV 28   06:31  UT





                                MCDO OBSERVATORY CALENDAR FOR 2006  -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
    2006      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI DEC 01  18 03  18 50  19 20         06 26  06 11  06 40  07 27  23 07  03 48  10 00  10.8  0.0   0 0249+2032
 SAT DEC 02  18 03  18 50  19 20  16 36  07 37  06 11  06 41  07 28  23 11  03 52  10 04  10.8  0.0   0 0349+2449
 SUN DEC 03  18 03  18 50  19 20  17 26         06 12  06 41  07 29  23 15  03 56  10 09  10.9  0.0   0 0451+2730
 MON DEC 04  18 03  18 51  19 20  18 24         06 13  06 42  07 30  23 19  04 00  10 14  10.9  0.0   0 0554+2823
 TUE DEC 05  18 03  18 51  19 20  19 26         06 14  06 43  07 30  23 23  04 03  10 18  10.9  0.1   0 0656+2730
 WED DEC 06  18 03  18 51  19 20  20 31         06 14  06 44  07 31  23 27  04 07  10 22  10.9  1.2  10 0754+2503
 THU DEC 07  18 03  18 51  19 20  21 34         06 15  06 44  07 32  23 31  04 11  10 27  10.9  2.2  20 0847+2123
 FRI DEC 08  18 03  18 51  19 20  22 35         06 16  06 45  07 33  23 35  04 15  10 32  10.9  3.2  29 0937+1650
 SAT DEC 09  18 04  18 51  19 21  23 32         06 16  06 46  07 33  23 39  04 19  10 36  10.9  4.2  38 1022+1143
 SUN DEC 10  18 04  18 51  19 21  00 27         06 17  06 46  07 34  23 43  04 23  10 41  10.9  5.1  46 1106+0616
 MON DEC 11  18 04  18 52  19 21  01 20         06 18  06 47  07 35  23 47  04 27  10 46  10.9  6.0  54 1148+0040
 TUE DEC 12  18 04  18 52  19 21  02 13         06 18  06 48  07 35  23 51  04 31  10 50  10.9  6.9  62 1229-0455
 WED DEC 13  18 04  18 52  19 22  03 07         06 19  06 48  07 36  23 56  04 35  10 55  10.9  7.7  70 1312-1023
 THU DEC 14  18 05  18 53  19 22  04 03         06 19  06 49  07 37  00 00  04 39  10 59  10.9  8.7  79 1356-1532
 FRI DEC 15  18 05  18 53  19 22  05 01         06 20  06 49  07 37  00 04  04 43  11 04  11.0  9.7  87 1444-2010
 SAT DEC 16  18 05  18 53  19 23  06 02         06 21  06 50  07 38  00 09  04 47  11 09  11.0 10.7  97 1535-2401
 SUN DEC 17  18 06  18 54  19 23  07 04  16 29  06 21  06 51  07 39  00 13  04 51  11 13  11.0 11.0 100 1630-2648
 MON DEC 18  18 06  18 54  19 24         17 19  06 22  06 51  07 39  00 18  04 55  11 18  11.0 11.0 100 1728-2814
 TUE DEC 19  18 07  18 55  19 24         18 16  06 22  06 52  07 40  00 22  04 59  11 22  11.0 11.0 100 1828-2804
 WED DEC 20  18 07  18 55  19 24         19 20  06 23  06 52  07 40  00 26  05 03  11 27  11.0 11.0 100 1928-2615
 THU DEC 21  18 07  18 55  19 25         20 27  06 23  06 53  07 41  00 31  05 07  11 31  11.0  9.9  90 2027-2251
 FRI DEC 22  18 08  18 56  19 25         21 35  06 24  06 53  07 41  00 35  05 10  11 36  11.0  8.8  80 2122-1809
 SAT DEC 23  18 08  18 56  19 26         22 41  06 24  06 54  07 42  00 40  05 14  11 39  11.0  7.7  70 2215-1227
 SUN DEC 24  18 09  18 57  19 26         23 46  06 25  06 54  07 42  00 44  05 18  11 44  11.0  6.7  60 2306-0605
 MON DEC 25  18 10  18 58  19 27         00 50  06 25  06 55  07 43  00 49  05 22  11 48  11.0  5.6  50 2356+0034
 TUE DEC 26  18 10  18 58  19 28         01 55  06 26  06 55  07 43  00 54  05 26  11 53  11.0  4.5  41 0046+0713
 WED DEC 27  18 11  18 59  19 28         03 02  06 26  06 55  07 43  00 57  05 30  11 57  11.0  3.4  31 0137+1332
 THU DEC 28  18 11  18 59  19 29         04 11  06 26  06 56  07 44  01 02  05 34  12 01  10.9  2.2  20 0231+1908
 FRI DEC 29  18 12  19 00  19 29         05 20  06 27  06 56  07 44  01 06  05 38  12 06  11.0  1.1  10 0328+2341
 SAT DEC 30  18 13  19 00  19 30         06 29  06 27  06 57  07 44  01 11  05 42  12 10  10.9  0.0   0 0428+2648
 SUN DEC 31  18 13  19 01  19 31  16 09  07 32  06 27  06 57  07 45  01 16  05 46  12 14  10.9  0.0   0 0530+2816

                ONE LINE REFERS TO EVENING DATE    FULL MOON      DEC 05   00:28  UT
                AND FOLLOWING MORNING.             LAST QUARTER   DEC 12   14:35  UT
                All dates and times are zone CST   NEW MOON       DEC 20   14:03  UT
                in upper table (except sid time).  FIRST QUARTER  DEC 27   14:50  UT