View calendars 2000-2010 here.




                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU JAN 01  18 14  19 02  19 31         00 09  06 28  06 57  07 45  01 22  05 52  12 21  11.0  6.3  57 2342+0218
 FRI JAN 02  18 15  19 03  19 32         01 08  06 28  06 57  07 45  01 27  05 56  12 25  10.9  5.3  48 0028+0806
 SAT JAN 03  18 16  19 03  19 33         02 11  06 28  06 58  07 45  01 32  06 00  12 29  10.9  4.3  39 0118+1343
 SUN JAN 04  18 16  19 04  19 33         03 18  06 29  06 58  07 46  01 36  06 04  12 34  10.9  3.2  29 0211+1850
 MON JAN 05  18 17  19 05  19 34         04 28  06 29  06 58  07 46  01 41  06 08  12 38  10.9  2.0  18 0309+2303
 TUE JAN 06  18 18  19 05  19 35         05 39  06 29  06 58  07 46  01 46  06 12  12 42  10.9  0.8   7 0413+2555
 WED JAN 07  18 19  19 06  19 35         06 47  06 29  06 58  07 46  01 50  06 16  12 46  10.9  0.0   0 0519+2702
 THU JAN 08  18 19  19 07  19 36  16 37  07 48  06 29  06 59  07 46  01 55  06 20  12 50  10.9  0.0   0 0627+2609
 FRI JAN 09  18 20  19 08  19 37  17 51         06 29  06 59  07 46  02 00  06 23  12 54  10.9  0.0   0 0733+2320
 SAT JAN 10  18 21  19 08  19 38  19 06         06 30  06 59  07 46  02 05  06 27  12 58  10.9  0.0   0 0835+1855
 SUN JAN 11  18 22  19 09  19 38  20 18         06 30  06 59  07 46  02 09  06 31  13 02  10.9  0.7   6 0932+1324
 MON JAN 12  18 23  19 10  19 39  21 26         06 30  06 59  07 46  02 14  06 35  13 06  10.9  1.8  16 1026+0716
 TUE JAN 13  18 23  19 11  19 40  22 29         06 30  06 59  07 46  02 19  06 39  13 10  10.8  2.8  26 1116+0059
 WED JAN 14  18 24  19 11  19 40  23 31         06 30  06 59  07 46  02 22  06 43  13 14  10.8  3.9  35 1204-0507
 THU JAN 15  18 25  19 12  19 41  00 30         06 30  06 59  07 46  02 27  06 47  13 18  10.8  4.8  44 1251-1049
 FRI JAN 16  18 26  19 13  19 42  01 28         06 30  06 59  07 46  02 32  06 51  13 22  10.8  5.8  53 1339-1553
 SAT JAN 17  18 27  19 14  19 43  02 26         06 29  06 58  07 45  02 37  06 55  13 25  10.8  6.7  62 1427-2011
 SUN JAN 18  18 28  19 15  19 44  03 24         06 29  06 58  07 45  02 42  06 59  13 29  10.7  7.7  71 1517-2332
 MON JAN 19  18 28  19 15  19 44  04 19         06 29  06 58  07 45  02 46  07 03  13 33  10.7  8.6  79 1609-2551
 TUE JAN 20  18 29  19 16  19 45  05 12         06 29  06 58  07 45  02 51  07 07  13 37  10.7  9.4  88 1701-2658
 WED JAN 21  18 30  19 17  19 46  06 02         06 29  06 58  07 44  02 56  07 11  13 41  10.7 10.3  95 1754-2652
 THU JAN 22  18 31  19 18  19 47  06 46  16 24  06 29  06 57  07 44  03 01  07 15  13 45  10.7 10.7 100 1847-2532
 FRI JAN 23  18 32  19 19  19 47  07 25  17 20  06 28  06 57  07 44  03 05  07 19  13 48  10.7 10.7 100 1938-2303
 SAT JAN 24  18 33  19 19  19 48  08 00  18 17  06 28  06 57  07 43  03 10  07 23  13 52  10.7 10.7 100 2027-1933
 SUN JAN 25  18 34  19 20  19 49         19 14  06 28  06 57  07 43  03 15  07 27  13 56  10.6 10.6 100 2115-1512
 MON JAN 26  18 35  19 21  19 50         20 11  06 28  06 56  07 42  03 20  07 31  14 00  10.6 10.3  96 2201-1012
 TUE JAN 27  18 35  19 22  19 50         21 07  06 27  06 56  07 42  03 24  07 34  14 03  10.6  9.3  87 2246-0443
 WED JAN 28  18 36  19 23  19 51         22 04  06 27  06 55  07 41  03 29  07 38  14 06  10.6  8.4  79 2331+0100
 THU JAN 29  18 37  19 23  19 52         23 02  06 26  06 55  07 41  03 34  07 42  14 09  10.6  7.4  70 0017+0647
 FRI JAN 30  18 38  19 24  19 53         00 03  06 26  06 54  07 40  03 39  07 46  14 13  10.6  6.4  60 0105+1223
 SAT JAN 31  18 39  19 25  19 53         01 06  06 26  06 54  07 40  03 43  07 50  14 17  10.6  5.3  50 0156+1733

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  JAN 04   12:00  UT
                AND FOLLOWING MORNING.             FULL MOON      JAN 11   03:29  UT
                All dates and times are zone CST   LAST QUARTER   JAN 18   02:48  UT
                in upper table (except sid time).  NEW MOON       JAN 26   07:59  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN FEB 01  18 40  19 26  19 54         02 13  06 25  06 53  07 39  03 47  07 54  14 20  10.5  4.2  39 0251+2156
 MON FEB 02  18 41  19 26  19 55         03 21  06 25  06 53  07 39  03 52  07 58  14 24  10.5  3.1  29 0351+2510
 TUE FEB 03  18 41  19 27  19 56         04 28  06 24  06 52  07 38  03 57  08 02  14 27  10.5  1.9  18 0454+2653
 WED FEB 04  18 42  19 28  19 56         05 30  06 23  06 52  07 37  04 01  08 06  14 30  10.5  0.9   8 0559+2646
 THU FEB 05  18 43  19 29  19 57         06 25  06 23  06 51  07 37  04 06  08 10  14 34  10.4  0.0   0 0704+2447
 FRI FEB 06  18 44  19 30  19 58  16 38  07 12  06 22  06 51  07 36  04 11  08 14  14 37  10.4  0.0   0 0807+2105
 SAT FEB 07  18 45  19 30  19 59  17 51  07 52  06 22  06 50  07 35  04 16  08 18  14 41  10.4  0.0   0 0906+1603
 SUN FEB 08  18 46  19 31  19 59  19 01         06 21  06 49  07 35  04 20  08 22  14 44  10.4  0.0   0 1001+1008
 MON FEB 09  18 47  19 32  20 00  20 08         06 20  06 49  07 34  04 25  08 26  14 47  10.3  0.1   1 1054+0347
 TUE FEB 10  18 47  19 33  20 01  21 12         06 20  06 48  07 33  04 30  08 30  14 51  10.3  1.2  11 1144-0234
 WED FEB 11  18 48  19 33  20 02  22 14         06 19  06 47  07 32  04 35  08 34  14 54  10.3  2.2  21 1233-0837
 THU FEB 12  18 49  19 34  20 02  23 15         06 18  06 46  07 31  04 39  08 38  14 57  10.3  3.2  31 1321-1406
 FRI FEB 13  18 50  19 35  20 03  00 15         06 17  06 46  07 31  04 44  08 41  15 00  10.2  4.2  41 1411-1848
 SAT FEB 14  18 51  19 36  20 04  01 13         06 17  06 45  07 30  04 49  08 45  15 03  10.2  5.1  50 1501-2233
 SUN FEB 15  18 51  19 36  20 04  02 11         06 16  06 44  07 29  04 53  08 49  15 06  10.2  6.1  59 1553-2514
 MON FEB 16  18 52  19 37  20 05  03 05         06 15  06 43  07 28  04 58  08 53  15 09  10.2  7.0  68 1646-2644
 TUE FEB 17  18 53  19 38  20 06  03 56         06 14  06 42  07 27  05 03  08 57  15 12  10.1  7.8  77 1739-2700
 WED FEB 18  18 54  19 39  20 07  04 42         06 13  06 41  07 26  05 08  09 01  15 15  10.1  8.6  84 1831-2602
 THU FEB 19  18 55  19 39  20 07  05 23         06 12  06 40  07 25  05 11  09 05  15 18  10.1  9.3  91 1923-2354
 FRI FEB 20  18 55  19 40  20 08  06 00  16 08  06 12  06 39  07 24  05 16  09 09  15 22  10.1  9.9  98 2013-2041
 SAT FEB 21  18 56  19 41  20 09  06 33  17 05  06 11  06 39  07 23  05 21  09 13  15 25  10.0 10.0 100 2101-1634
 SUN FEB 22  18 57  19 41  20 09  07 04  18 02  06 10  06 38  07 22  05 25  09 17  15 28  10.0 10.0 100 2148-1142
 MON FEB 23  18 58  19 42  20 10  07 33  19 00  06 09  06 37  07 21  05 30  09 21  15 31  10.0 10.0 100 2234-0617
 TUE FEB 24  18 58  19 43  20 11         19 57  06 08  06 36  07 20  05 35  09 25  15 34  10.0 10.0 100 2319-0032
 WED FEB 25  18 59  19 44  20 11         20 56  06 07  06 35  07 19  05 39  09 29  15 37   9.9  9.2  92 0006+0519
 THU FEB 26  19 00  19 44  20 12         21 56  06 06  06 34  07 18  05 44  09 33  15 40   9.9  8.2  82 0054+1102
 FRI FEB 27  19 01  19 45  20 13         22 59  06 05  06 33  07 17  05 49  09 37  15 43   9.9  7.1  71 0145+1621
 SAT FEB 28  19 01  19 46  20 14         00 05  06 04  06 31  07 16  05 54  09 41  15 46   9.8  6.0  60 0239+2056

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  FEB 02   23:15  UT
                AND FOLLOWING MORNING.             FULL MOON      FEB 09   14:51  UT
                All dates and times are zone CST   LAST QUARTER   FEB 16   21:39  UT
                in upper table (except sid time).  NEW MOON       FEB 25   01:38  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN MAR 01  19 02  19 46  20 14         01 12  06 03  06 30  07 15  05 58  09 45  15 49   9.8  4.9  49 0336+2426
 MON MAR 02  19 03  19 47  20 15         02 18  06 01  06 29  07 14  06 03  09 48  15 50   9.8  3.7  38 0437+2630
 TUE MAR 03  19 03  19 48  20 16         03 21  06 00  06 28  07 12  06 08  09 52  15 53   9.7  2.7  27 0541+2655
 WED MAR 04  19 04  19 48  20 16         04 16  05 59  06 27  07 11  06 12  09 56  15 56   9.7  1.7  17 0644+2533
 THU MAR 05  19 05  19 49  20 17         05 04  05 58  06 26  07 10  06 17  10 00  15 59   9.7  0.9   9 0746+2230
 FRI MAR 06  19 05  19 50  20 18         05 46  05 57  06 25  07 09  06 22  10 04  16 02   9.7  0.2   1 0844+1804
 SAT MAR 07  19 06  19 50  20 18  16 40  06 22  05 56  06 24  07 08  06 26  10 08  16 05   9.6  0.0   0 0939+1235
 SUN MAR 08  19 07  19 51  20 19  17 47  06 56  05 55  06 23  07 07  06 31  10 12  16 08   9.6  0.0   0 1032+0629
 MON MAR 09  19 08  19 52  20 20  18 52  07 27  05 53  06 21  07 06  06 35  10 16  16 10   9.5  0.0   0 1122+0009
 TUE MAR 10  19 08  19 52  20 20  19 55  07 59  05 52  06 20  07 04  06 39  10 20  16 13   9.5  0.0   0 1212-0603
 WED MAR 11  19 09  19 53  20 21  20 57         05 51  06 19  07 03  06 44  10 24  16 16   9.5  0.6   6 1301-1150
 THU MAR 12  19 10  19 54  20 22  21 58         05 50  06 18  07 02  06 49  10 28  16 19   9.5  1.6  16 1351-1656
 FRI MAR 13  19 10  19 54  20 22  22 59         05 49  06 17  07 01  06 53  10 32  16 22   9.4  2.6  27 1442-2108
 SAT MAR 14  19 11  19 55  20 23  23 58         05 47  06 15  07 00  06 58  10 36  16 24   9.4  3.6  38 1534-2415
 SUN MAR 15  19 12  19 56  20 24  00 55         05 46  06 14  06 58  07 03  10 40  16 27   9.4  4.5  48 1628-2612
 MON MAR 16  19 12  19 56  20 25  01 48         05 45  06 13  06 57  07 08  10 44  16 30   9.3  5.4  57 1721-2653
 TUE MAR 17  19 13  19 57  20 25  02 36         05 44  06 12  06 56  07 12  10 48  16 33   9.3  6.2  66 1814-2619
 WED MAR 18  19 13  19 58  20 26  03 19         05 42  06 10  06 55  07 17  10 52  16 35   9.3  6.9  74 1906-2434
 THU MAR 19  19 14  19 58  20 27  03 57         05 41  06 09  06 53  07 22  10 56  16 37   9.2  7.5  81 1956-2144
 FRI MAR 20  19 15  19 59  20 27  04 32         05 40  06 08  06 52  07 26  10 59  16 40   9.2  8.1  87 2045-1756
 SAT MAR 21  19 15  20 00  20 28  05 03         05 38  06 07  06 51  07 31  11 03  16 42   9.2  8.6  93 2132-1321
 SUN MAR 22  19 16  20 00  20 29  05 33  16 48  05 37  06 05  06 50  07 36  11 07  16 45   9.1  9.1  99 2218-0807
 MON MAR 23  19 17  20 01  20 29  06 02  17 46  05 36  06 04  06 48  07 40  11 11  16 48   9.1  9.1 100 2304-0228
 TUE MAR 24  19 17  20 02  20 30  06 32  18 45  05 34  06 03  06 47  07 45  11 15  16 50   9.1  9.1 100 2351+0325
 WED MAR 25  19 18  20 02  20 31  07 04  19 45  05 33  06 02  06 46  07 50  11 19  16 53   9.0  9.0 100 0039+0917
 THU MAR 26  19 19  20 03  20 32  07 39  20 49  05 32  06 00  06 45  07 55  11 23  16 56   9.0  8.7  96 0130+1449
 FRI MAR 27  19 19  20 04  20 32         21 55  05 30  05 59  06 44  07 58  11 27  16 58   9.0  7.6  84 0224+1942
 SAT MAR 28  19 20  20 04  20 33         23 03  05 29  05 58  06 42  08 03  11 31  17 01   8.9  6.4  72 0322+2332
 SUN MAR 29  19 21  20 05  20 34         00 11  05 28  05 56  06 41  08 08  11 35  17 04   8.9  5.3  59 0423+2559
 MON MAR 30  19 21  20 06  20 35         01 15  05 26  05 55  06 40  08 13  11 39  17 06   8.8  4.2  47 0526+2646
 TUE MAR 31  19 22  20 07  20 35         02 12  05 25  05 54  06 39  08 17  11 43  17 09   8.8  3.2  36 0630+2549

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  MAR 04   07:48  UT
                AND FOLLOWING MORNING.             FULL MOON      MAR 11   02:41  UT
                All dates and times are zone CST   LAST QUARTER   MAR 18   17:49  UT
                in upper table (except sid time).  NEW MOON       MAR 26   16:08  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED APR 01  19 22  20 07  20 36         03 02  05 24  05 53  06 37  08 22  11 47  17 12   8.8  2.4  26 0731+2312
 THU APR 02  19 23  20 08  20 37         03 44  05 22  05 51  06 36  08 27  11 51  17 14   8.8  1.6  18 0829+1912
 FRI APR 03  19 24  20 09  20 38         04 21  05 21  05 50  06 35  08 32  11 55  17 17   8.7  1.0  11 0924+1408
 SAT APR 04  19 24  20 09  20 38         04 55  05 20  05 49  06 34  08 36  11 59  17 19   8.7  0.4   4 1015+0822
 SUN APR 05  19 25  20 10  20 39  16 38  05 26  05 18  05 47  06 32  08 41  12 03  17 21   8.7  0.0   0 1105+0216
 MON APR 06  19 26  20 11  20 40  17 40  05 57  05 17  05 46  06 31  08 46  12 06  17 24   8.6  0.0   0 1154-0351
 TUE APR 07  19 26  20 11  20 41  18 42  06 29  05 16  05 45  06 30  08 51  12 10  17 27   8.6  0.0   0 1243-0943
 WED APR 08  19 27  20 12  20 42  19 43  07 03  05 14  05 44  06 29  08 56  12 14  17 29   8.5  0.0   0 1332-1502
 THU APR 09  19 27  20 13  20 42  20 44  07 41  05 13  05 42  06 28  09 00  12 18  17 32   8.5  0.0   0 1423-1933
 FRI APR 10  19 28  20 14  20 43  21 44         05 12  05 41  06 26  09 05  12 22  17 35   8.5  1.0  11 1515-2305
 SAT APR 11  19 29  20 14  20 44  22 43         05 10  05 40  06 25  09 10  12 26  17 37   8.4  2.0  23 1609-2527
 SUN APR 12  19 29  20 15  20 45  23 38         05 09  05 38  06 24  09 15  12 30  17 40   8.4  2.9  34 1703-2634
 MON APR 13  19 30  20 16  20 46  00 28         05 07  05 37  06 23  09 20  12 34  17 42   8.4  3.7  44 1756-2625
 TUE APR 14  19 31  20 17  20 46  01 13         05 06  05 36  06 22  09 23  12 38  17 45   8.3  4.5  53 1849-2503
 WED APR 15  19 31  20 17  20 47  01 53         05 05  05 35  06 21  09 28  12 42  17 48   8.3  5.1  61 1939-2234
 THU APR 16  19 32  20 18  20 48  02 29         05 03  05 34  06 20  09 33  12 46  17 50   8.3  5.7  68 2028-1907
 FRI APR 17  19 33  20 19  20 49  03 02         05 02  05 32  06 18  09 38  12 50  17 53   8.2  6.2  75 2115-1451
 SAT APR 18  19 33  20 20  20 50  03 32         05 01  05 31  06 17  09 43  12 54  17 56   8.2  6.7  81 2201-0955
 SUN APR 19  19 34  20 20  20 51  04 01         05 00  05 30  06 16  09 48  12 58  17 59   8.1  7.2  87 2247-0429
 MON APR 20  19 35  20 21  20 52  04 30  16 30  04 58  05 29  06 15  09 53  13 02  18 00   8.1  7.6  94 2333+0116
 TUE APR 21  19 35  20 22  20 52  05 01  17 30  04 57  05 27  06 14  09 57  13 06  18 03   8.1  8.1 100 0021+0708
 WED APR 22  19 36  20 23  20 53  05 35  18 32  04 56  05 26  06 13  10 02  13 10  18 06   8.1  8.1 100 0111+1250
 THU APR 23  19 37  20 23  20 54  06 14  19 39  04 54  05 25  06 12  10 07  13 14  18 08   8.0  8.0 100 0205+1802
 FRI APR 24  19 37  20 24  20 55  07 00  20 48  04 53  05 24  06 11  10 12  13 17  18 11   8.0  8.0 100 0303+2218
 SAT APR 25  19 38  20 25  20 56  07 54  21 58  04 52  05 23  06 10  10 17  13 21  18 14   7.9  6.9  86 0405+2514
 SUN APR 26  19 39  20 26  20 57         23 05  04 51  05 22  06 09  10 22  13 25  18 17   7.9  5.8  72 0509+2631
 MON APR 27  19 39  20 27  20 58         00 06  04 49  05 21  06 08  10 27  13 29  18 19   7.8  4.7  60 0614+2559
 TUE APR 28  19 40  20 27  20 59         00 59  04 48  05 19  06 07  10 32  13 33  18 22   7.8  3.8  48 0717+2342
 WED APR 29  19 41  20 28  21 00         01 44  04 47  05 18  06 06  10 37  13 37  18 25   7.8  3.0  39 0816+1957
 THU APR 30  19 41  20 29  21 01         02 22  04 46  05 17  06 05  10 42  13 41  18 28   7.8  2.4  30 0911+1506

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  APR 02   14:36  UT
                AND FOLLOWING MORNING.             FULL MOON      APR 09   15:00  UT
                All dates and times are zone CST   LAST QUARTER   APR 17   13:38  UT
                in upper table (except sid time).  NEW MOON       APR 25   03:25  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI MAY 01  19 42  20 30  21 01         02 56  04 45  05 16  06 04  10 46  13 45  18 31   7.7  1.8  23 1003+0933
 SAT MAY 02  19 43  20 31  21 02         03 28  04 43  05 15  06 03  10 51  13 49  18 33   7.7  1.2  16 1053+0337
 SUN MAY 03  19 43  20 31  21 03         03 58  04 42  05 14  06 02  10 55  13 53  18 36   7.7  0.7   9 1141-0222
 MON MAY 04  19 44  20 32  21 04  16 33  04 29  04 41  05 13  06 01  11 00  13 57  18 39   7.6  0.2   2 1229-0810
 TUE MAY 05  19 45  20 33  21 05  17 33  05 02  04 40  05 12  06 00  11 05  14 01  18 42   7.6  0.0   0 1317-1332
 WED MAY 06  19 45  20 34  21 06  18 33  05 38  04 39  05 11  06 00  11 10  14 05  18 45   7.5  0.0   0 1407-1813
 THU MAY 07  19 46  20 35  21 07  19 33  06 18  04 38  05 10  05 59  11 15  14 09  18 47   7.5  0.0   0 1459-2201
 FRI MAY 08  19 47  20 36  21 08  20 32  07 02  04 37  05 09  05 58  11 20  14 13  18 50   7.5  0.0   0 1551-2443
 SAT MAY 09  19 48  20 36  21 09  21 28  07 50  04 36  05 08  05 57  11 25  14 17  18 53   7.5  0.3   4 1645-2612
 SUN MAY 10  19 48  20 37  21 10  22 20         04 35  05 07  05 56  11 30  14 21  18 56   7.4  1.2  15 1739-2625
 MON MAY 11  19 49  20 38  21 11  23 08         04 34  05 07  05 56  11 35  14 24  18 59   7.4  2.0  26 1832-2524
 TUE MAY 12  19 50  20 39  21 12  23 50         04 33  05 06  05 55  11 40  14 28  19 02   7.3  2.6  35 1923-2314
 WED MAY 13  19 50  20 40  21 13  00 27         04 32  05 05  05 54  11 45  14 32  19 05   7.3  3.2  44 2012-2005
 THU MAY 14  19 51  20 40  21 14  01 00         04 31  05 04  05 54  11 50  14 36  19 08   7.3  3.8  51 2100-1606
 FRI MAY 15  19 52  20 41  21 15  01 31         04 30  05 03  05 53  11 55  14 40  19 11   7.2  4.3  58 2145-1126
 SAT MAY 16  19 52  20 42  21 16  01 59         04 29  05 02  05 52  12 00  14 44  19 14   7.2  4.7  65 2230-0616
 SUN MAY 17  19 53  20 43  21 16  02 28         04 28  05 02  05 52  12 04  14 48  19 17   7.2  5.2  72 2315-0043
 MON MAY 18  19 54  20 44  21 17  02 58         04 27  05 01  05 51  12 09  14 52  19 20   7.2  5.7  79 0001+0500
 TUE MAY 19  19 54  20 44  21 18  03 30  16 14  04 26  05 00  05 50  12 14  14 56  19 23   7.1  6.2  86 0050+1041
 WED MAY 20  19 55  20 45  21 19  04 06  17 18  04 26  05 00  05 50  12 19  15 00  19 27   7.1  6.8  95 0142+1603
 THU MAY 21  19 56  20 46  21 20  04 49  18 26  04 25  04 59  05 49  12 23  15 04  19 30   7.1  7.1 100 0239+2043
 FRI MAY 22  19 56  20 47  21 21  05 40  19 36  04 24  04 58  05 49  12 28  15 08  19 33   7.0  7.0 100 0340+2414
 SAT MAY 23  19 57  20 48  21 22  06 40  20 47  04 23  04 58  05 48  12 33  15 12  19 36   7.0  7.0 100 0445+2610
 SUN MAY 24  19 58  20 48  21 23  07 48  21 53  04 23  04 57  05 48  12 38  15 16  19 39   7.0  6.5  92 0551+2614
 MON MAY 25  19 58  20 49  21 24         22 51  04 22  04 57  05 47  12 43  15 20  19 42   7.0  5.5  79 0657+2425
 TUE MAY 26  19 59  20 50  21 24         23 40  04 21  04 56  05 47  12 47  15 24  19 45   7.0  4.7  67 0759+2057
 WED MAY 27  19 59  20 50  21 25         00 22  04 21  04 56  05 47  12 52  15 28  19 49   6.9  4.0  57 0857+1614
 THU MAY 28  20 00  20 51  21 26         00 58  04 20  04 55  05 46  12 57  15 32  19 52   6.9  3.4  48 0951+1042
 FRI MAY 29  20 01  20 52  21 27         01 30  04 20  04 55  05 46  13 02  15 35  19 56   6.9  2.8  41 1041+0446
 SAT MAY 30  20 01  20 53  21 28         02 01  04 19  04 54  05 46  13 07  15 39  19 59   6.8  2.3  33 1130-0113
 SUN MAY 31  20 02  20 53  21 28         02 32  04 19  04 54  05 45  13 11  15 43  20 03   6.8  1.8  26 1218-0703

                ONE LINE REFERS TO EVENING DATE    FIRST QUARTER  MAY 01   20:47  UT
                AND FOLLOWING MORNING.             FULL MOON      MAY 09   04:04  UT
                All dates and times are zone CST   LAST QUARTER   MAY 17   07:28  UT
                in upper table (except sid time).  NEW MOON       MAY 24   12:13  UT
                                                   FIRST QUARTER  MAY 31   03:25  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON JUN 01  20 02  20 54  21 29         03 04  04 18  04 54  05 45  13 16  15 47  20 06   6.8  1.2  18 1306-1227
 TUE JUN 02  20 03  20 55  21 30  16 26  03 38  04 18  04 53  05 45  13 21  15 51  20 10   6.8  0.7   9 1354-1714
 WED JUN 03  20 03  20 55  21 31  17 25  04 16  04 17  04 53  05 45  13 26  15 55  20 13   6.8  0.0   0 1445-2111
 THU JUN 04  20 04  20 56  21 31  18 24  04 58  04 17  04 53  05 44  13 30  15 59  20 17   6.8  0.0   0 1537-2407
 FRI JUN 05  20 04  20 56  21 32  19 21  05 45  04 17  04 52  05 44  13 35  16 03  20 21   6.8  0.0   0 1630-2554
 SAT JUN 06  20 05  20 57  21 33  20 15  06 36  04 16  04 52  05 44  13 40  16 07  20 24   6.7  0.0   0 1724-2626
 SUN JUN 07  20 05  20 58  21 33  21 03  07 31  04 16  04 52  05 44  13 44  16 11  20 28   6.7  0.0   0 1817-2543
 MON JUN 08  20 06  20 58  21 34  21 47         04 16  04 52  05 44  13 48  16 15  20 32   6.7  0.2   3 1909-2350
 TUE JUN 09  20 06  20 59  21 35  22 26         04 16  04 52  05 44  13 53  16 19  20 36   6.7  0.8  12 1958-2055
 WED JUN 10  20 07  20 59  21 35  23 00         04 16  04 52  05 44  13 57  16 23  20 39   6.7  1.4  21 2046-1708
 THU JUN 11  20 07  21 00  21 36  23 31         04 15  04 51  05 44  14 02  16 27  20 42   6.6  1.9  28 2132-1241
 FRI JUN 12  20 08  21 00  21 36  00 00         04 15  04 51  05 44  14 06  16 31  20 46   6.6  2.4  36 2216-0742
 SAT JUN 13  20 08  21 01  21 37  00 28         04 15  04 51  05 44  14 11  16 35  20 50   6.6  2.8  42 2300-0221
 SUN JUN 14  20 08  21 01  21 37  00 56         04 15  04 51  05 44  14 15  16 39  20 54   6.6  3.3  49 2345+0311
 MON JUN 15  20 09  21 01  21 38  01 26         04 15  04 51  05 44  14 20  16 42  20 58   6.6  3.8  57 0031+0846
 TUE JUN 16  20 09  21 02  21 38  02 00         04 15  04 52  05 44  14 24  16 46  21 02   6.6  4.4  65 0121+1409
 WED JUN 17  20 09  21 02  21 38  02 38  16 05  04 15  04 52  05 44  14 28  16 50  21 06   6.6  5.0  75 0214+1901
 THU JUN 18  20 10  21 02  21 39  03 24  17 13  04 15  04 52  05 44  14 33  16 54  21 10   6.6  5.8  87 0313+2258
 FRI JUN 19  20 10  21 03  21 39  04 20  18 23  04 16  04 52  05 45  14 37  16 58  21 15   6.6  6.6 100 0416+2534
 SAT JUN 20  20 10  21 03  21 39  05 25  19 32  04 16  04 52  05 45  14 41  17 02  21 19   6.6  6.6 100 0522+2626
 SUN JUN 21  20 11  21 03  21 39  06 36  20 35  04 16  04 52  05 45  14 45  17 06  21 23   6.6  6.6 100 0630+2521
 MON JUN 22  20 11  21 03  21 40  07 50  21 30  04 16  04 53  05 45  14 50  17 10  21 27   6.6  6.6 100 0735+2225
 TUE JUN 23  20 11  21 04  21 40         22 16  04 16  04 53  05 45  14 54  17 14  21 31   6.6  6.0  90 0836+1757
 WED JUN 24  20 11  21 04  21 40         22 55  04 17  04 53  05 46  14 58  17 18  21 36   6.6  5.4  81 0933+1228
 THU JUN 25  20 11  21 04  21 40         23 30  04 17  04 53  05 46  15 02  17 22  21 40   6.6  4.8  72 1026+0625
 FRI JUN 26  20 11  21 04  21 40         00 02  04 17  04 54  05 46  15 05  17 26  21 44   6.6  4.2  64 1117+0013
 SAT JUN 27  20 11  21 04  21 40         00 34  04 18  04 54  05 47  15 09  17 30  21 48   6.6  3.7  56 1206-0546
 SUN JUN 28  20 12  21 04  21 40         01 06  04 18  04 54  05 47  15 13  17 34  21 52   6.6  3.2  48 1254-1121
 MON JUN 29  20 12  21 04  21 40         01 39  04 19  04 55  05 47  15 17  17 38  21 57   6.7  2.7  40 1343-1618
 TUE JUN 30  20 12  21 04  21 40         02 16  04 19  04 55  05 48  15 21  17 42  22 01   6.7  2.0  30 1433-2026

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUN 07   18:13  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUN 15   22:17  UT
                All dates and times are zone CST   NEW MOON       JUN 22   19:37  UT
                in upper table (except sid time).  FIRST QUARTER  JUN 29   11:31  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED JUL 01  20 12  21 04  21 40  16 19  02 57  04 20  04 56  05 48  15 25  17 46  22 06   6.7  1.4  20 1524-2336
 THU JUL 02  20 12  21 04  21 40  17 16  03 42  04 20  04 56  05 48  15 29  17 49  22 10   6.7  0.6   9 1617-2538
 FRI JUL 03  20 12  21 04  21 40  18 10  04 32  04 21  04 57  05 49  15 33  17 53  22 15   6.7  0.0   0 1710-2627
 SAT JUL 04  20 12  21 04  21 40  19 01  05 25  04 21  04 57  05 49  15 37  17 57  22 19   6.7  0.0   0 1804-2601
 SUN JUL 05  20 11  21 04  21 39  19 46  06 20  04 22  04 58  05 50  15 40  18 01  22 24   6.7  0.0   0 1856-2424
 MON JUL 06  20 11  21 03  21 39  20 26  07 16  04 22  04 58  05 50  15 44  18 05  22 28   6.7  0.0   0 1946-2143
 TUE JUL 07  20 11  21 03  21 39  21 01         04 23  04 59  05 51  15 48  18 09  22 33   6.7  0.0   0 2034-1807
 WED JUL 08  20 11  21 03  21 39  21 33         04 24  04 59  05 51  15 52  18 13  22 38   6.8  0.0   0 2120-1349
 THU JUL 09  20 11  21 03  21 38  22 03         04 24  05 00  05 52  15 55  18 17  22 42   6.8  0.4   6 2205-0857
 FRI JUL 10  20 11  21 02  21 38  22 31         04 25  05 00  05 52  15 59  18 21  22 47   6.8  0.9  13 2248-0342
 SAT JUL 11  20 10  21 02  21 37  22 58         04 26  05 01  05 53  16 02  18 25  22 52   6.8  1.4  19 2332+0144
 SUN JUL 12  20 10  21 02  21 37  23 27         04 26  05 02  05 53  16 06  18 29  22 56   6.8  1.8  26 0017+0713
 MON JUL 13  20 10  21 01  21 36  23 58         04 27  05 02  05 54  16 08  18 33  23 01   6.8  2.4  34 0105+1234
 TUE JUL 14  20 10  21 01  21 36  00 33         04 28  05 03  05 54  16 12  18 37  23 06   6.9  2.9  42 0155+1729
 WED JUL 15  20 09  21 00  21 35  01 14         04 29  05 04  05 55  16 15  18 41  23 10   6.9  3.6  52 0250+2141
 THU JUL 16  20 09  21 00  21 35  02 03  16 02  04 30  05 04  05 56  16 19  18 45  23 15   6.9  4.5  64 0350+2446
 FRI JUL 17  20 08  20 59  21 34  03 02  17 10  04 30  05 05  05 56  16 22  18 49  23 19   6.9  5.5  78 0454+2620
 SAT JUL 18  20 08  20 59  21 34  04 10  18 15  04 31  05 06  05 57  16 26  18 53  23 24   6.9  6.6  94 0600+2606
 SUN JUL 19  20 08  20 58  21 33  05 23  19 14  04 32  05 06  05 57  16 29  18 57  23 29   7.0  7.0 100 0706+2357
 MON JUL 20  20 07  20 58  21 32  06 38  20 05  04 33  05 07  05 58  16 32  19 00  23 34   7.0  7.0 100 0810+2004
 TUE JUL 21  20 07  20 57  21 31  07 51  20 48  04 34  05 08  05 58  16 35  19 04  23 39   7.1  7.1 100 0909+1452
 WED JUL 22  20 06  20 57  21 31         21 26  04 34  05 09  05 59  16 39  19 08  23 43   7.1  7.1 100 1005+0850
 THU JUL 23  20 06  20 56  21 30         22 00  04 35  05 09  06 00  16 42  19 12  23 48   7.1  6.6  92 1058+0228
 FRI JUL 24  20 05  20 55  21 29         22 33  04 36  05 10  06 00  16 45  19 16  23 53   7.1  6.1  85 1149-0350
 SAT JUL 25  20 04  20 54  21 28         23 06  04 37  05 11  06 01  16 48  19 20  23 58   7.1  5.5  77 1239-0945
 SUN JUL 26  20 04  20 54  21 27         23 39  04 38  05 12  06 02  16 51  19 24  00 03   7.2  5.0  69 1329-1502
 MON JUL 27  20 03  20 53  21 27         00 16  04 39  05 12  06 02  16 55  19 28  00 08   7.2  4.4  60 1419-1929
 TUE JUL 28  20 02  20 52  21 26         00 55  04 40  05 13  06 03  16 58  19 32  00 13   7.2  3.7  51 1511-2255
 WED JUL 29  20 02  20 51  21 25         01 39  04 41  05 14  06 03  17 01  19 36  00 18   7.3  3.0  41 1604-2515
 THU JUL 30  20 01  20 51  21 24  16 06  02 28  04 41  05 15  06 04  17 03  19 40  00 22   7.3  2.2  30 1657-2622
 FRI JUL 31  20 00  20 50  21 23  16 57  03 20  04 42  05 15  06 05  17 06  19 44  00 27   7.3  1.4  18 1750-2615

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUL 07   09:24  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUL 15   09:56  UT
                All dates and times are zone CST   NEW MOON       JUL 22   02:37  UT
                in upper table (except sid time).  FIRST QUARTER  JUL 28   22:02  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT AUG 01  20 00  20 49  21 22  17 44  04 15  04 43  05 16  06 05  17 09  19 48  00 32   7.3  0.5   6 1843-2455
 SUN AUG 02  19 59  20 48  21 21  18 26  05 10  04 44  05 17  06 06  17 12  19 52  00 36   7.4  0.0   0 1933-2229
 MON AUG 03  19 58  20 47  21 20  19 03  06 06  04 45  05 18  06 07  17 15  19 56  00 41   7.4  0.0   0 2022-1906
 TUE AUG 04  19 57  20 46  21 19  19 36  07 02  04 46  05 19  06 07  17 18  20 00  00 46   7.4  0.0   0 2109-1457
 WED AUG 05  19 56  20 45  21 18  20 06  07 56  04 47  05 19  06 08  17 21  20 04  00 51   7.5  0.0   0 2154-1011
 THU AUG 06  19 56  20 44  21 17  20 35         04 48  05 20  06 09  17 24  20 07  00 56   7.5  0.0   0 2238-0500
 FRI AUG 07  19 55  20 43  21 15  21 02         04 49  05 21  06 09  17 26  20 11  01 01   7.6  0.0   0 2322+0024
 SAT AUG 08  19 54  20 42  21 14  21 30         04 50  05 22  06 10  17 29  20 15  01 06   7.6  0.3   3 0006+0553
 SUN AUG 09  19 53  20 41  21 13  22 00         04 50  05 22  06 11  17 32  20 19  01 10   7.6  0.8  10 0053+1114
 MON AUG 10  19 52  20 40  21 12  22 33         04 51  05 23  06 11  17 35  20 23  01 15   7.6  1.3  17 0142+1613
 TUE AUG 11  19 51  20 39  21 11  23 11         04 52  05 24  06 12  17 38  20 27  01 20   7.7  2.0  26 0234+2033
 WED AUG 12  19 50  20 38  21 10  23 55         04 53  05 25  06 12  17 41  20 31  01 25   7.7  2.8  35 0331+2354
 THU AUG 13  19 49  20 37  21 08  00 48         04 54  05 25  06 13  17 43  20 35  01 30   7.8  3.7  47 0431+2557
 FRI AUG 14  19 48  20 36  21 07  01 50         04 55  05 26  06 14  17 46  20 39  01 35   7.8  4.7  60 0535+2623
 SAT AUG 15  19 47  20 35  21 06  02 59  16 59  04 56  05 27  06 14  17 48  20 43  01 40   7.8  5.9  75 0639+2501
 SUN AUG 16  19 46  20 33  21 05  04 12  17 52  04 56  05 28  06 15  17 51  20 47  01 44   7.8  7.1  90 0743+2154
 MON AUG 17  19 45  20 32  21 03  05 25  18 38  04 57  05 28  06 16  17 53  20 51  01 49   7.9  7.9 100 0843+1718
 TUE AUG 18  19 44  20 31  21 02  06 36  19 19  04 58  05 29  06 16  17 56  20 55  01 54   7.9  7.9 100 0941+1137
 WED AUG 19  19 43  20 30  21 01  07 45  19 55  04 59  05 30  06 17  17 59  20 59  01 59   8.0  8.0 100 1036+0518
 THU AUG 20  19 42  20 29  20 59         20 29  05 00  05 31  06 17  18 01  21 03  02 04   8.0  8.0 100 1128-0110
 FRI AUG 21  19 41  20 28  20 58         21 02  05 01  05 31  06 18  18 04  21 07  02 08   8.0  8.0  99 1220-0726
 SAT AUG 22  19 40  20 26  20 57         21 37  05 02  05 32  06 19  18 07  21 11  02 13   8.1  7.4  91 1311-1308
 SUN AUG 23  19 39  20 25  20 56         22 13  05 02  05 33  06 19  18 10  21 15  02 17   8.1  6.8  84 1402-1800
 MON AUG 24  19 38  20 24  20 54         22 52  05 03  05 33  06 20  18 12  21 18  02 22   8.2  6.2  75 1455-2153
 TUE AUG 25  19 36  20 23  20 53         23 35  05 04  05 34  06 20  18 15  21 22  02 27   8.2  5.5  67 1548-2436
 WED AUG 26  19 35  20 21  20 52         00 23  05 05  05 35  06 21  18 18  21 26  02 32   8.2  4.7  57 1642-2605
 THU AUG 27  19 34  20 20  20 50         01 14  05 06  05 36  06 22  18 20  21 30  02 37   8.3  3.9  46 1736-2618
 FRI AUG 28  19 33  20 19  20 49         02 08  05 06  05 36  06 22  18 23  21 34  02 41   8.3  3.0  35 1828-2519
 SAT AUG 29  19 32  20 18  20 47  16 24  03 03  05 07  05 37  06 23  18 25  21 38  02 46   8.3  2.1  24 1919-2312
 SUN AUG 30  19 31  20 16  20 46  17 03  03 59  05 08  05 38  06 23  18 28  21 42  02 51   8.4  1.1  13 2009-2005
 MON AUG 31  19 29  20 15  20 45  17 37  04 55  05 09  05 38  06 24  18 31  21 46  02 56   8.4  0.2   2 2056-1607

                ONE LINE REFERS TO EVENING DATE    FULL MOON      AUG 06   00:59  UT
                AND FOLLOWING MORNING.             LAST QUARTER   AUG 13   18:58  UT
                All dates and times are zone CST   NEW MOON       AUG 20   10:04  UT
                in upper table (except sid time).  FIRST QUARTER  AUG 27   11:44  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE SEP 01  19 28  20 14  20 43  18 08  05 50  05 09  05 39  06 25  18 32  21 50  03 00   8.4  0.0   0 2142-1131
 WED SEP 02  19 27  20 12  20 42  18 38  06 45  05 10  05 40  06 25  18 35  21 54  03 05   8.5  0.0   0 2226-0624
 THU SEP 03  19 26  20 11  20 41  19 06  07 41  05 11  05 40  06 26  18 38  21 58  03 10   8.5  0.0   0 2311-0100
 FRI SEP 04  19 25  20 10  20 39  19 34         05 12  05 41  06 26  18 40  22 02  03 15   8.6  0.0   0 2356+0430
 SAT SEP 05  19 23  20 08  20 38  20 04         05 12  05 42  06 27  18 43  22 06  03 19   8.6  0.0   0 0042+0955
 SUN SEP 06  19 22  20 07  20 36  20 36         05 13  05 42  06 27  18 45  22 10  03 24   8.6  0.0   0 0130+1500
 MON SEP 07  19 21  20 06  20 35  21 12         05 14  05 43  06 28  18 48  22 14  03 29   8.6  0.6   7 0222+1929
 TUE SEP 08  19 20  20 05  20 34  21 54         05 15  05 44  06 29  18 51  22 18  03 33   8.7  1.3  15 0317+2304
 WED SEP 09  19 18  20 03  20 32  22 43         05 15  05 44  06 29  18 53  22 22  03 37   8.7  2.2  25 0416+2525
 THU SEP 10  19 17  20 02  20 31  23 40         05 16  05 45  06 30  18 56  22 25  03 42   8.8  3.1  35 0517+2617
 FRI SEP 11  19 16  20 01  20 29  00 45         05 17  05 45  06 30  18 58  22 29  03 47   8.8  4.3  48 0619+2529
 SAT SEP 12  19 14  19 59  20 28  01 54         05 17  05 46  06 31  19 01  22 33  03 51   8.8  5.4  61 0721+2301
 SUN SEP 13  19 13  19 58  20 27  03 04  16 30  05 18  05 47  06 31  19 04  22 37  03 56   8.8  6.6  74 0821+1904
 MON SEP 14  19 12  19 57  20 25  04 15  17 12  05 19  05 47  06 32  19 06  22 41  04 01   8.9  7.8  88 0918+1355
 TUE SEP 15  19 11  19 55  20 24  05 23  17 49  05 19  05 48  06 33  19 09  22 45  04 05   8.9  8.9 100 1013+0757
 WED SEP 16  19 09  19 54  20 22  06 30  18 24  05 20  05 49  06 33  19 11  22 49  04 10   9.0  9.0 100 1106+0136
 THU SEP 17  19 08  19 53  20 21  07 35  18 58  05 21  05 49  06 34  19 13  22 53  04 15   9.0  9.0 100 1158-0444
 FRI SEP 18  19 07  19 51  20 20         19 32  05 21  05 50  06 34  19 16  22 57  04 19   9.0  9.0 100 1250-1044
 SAT SEP 19  19 06  19 50  20 18         20 08  05 22  05 50  06 35  19 18  23 01  04 24   9.1  9.1 100 1342-1602
 SUN SEP 20  19 04  19 49  20 17         20 46  05 23  05 51  06 35  19 21  23 05  04 29   9.1  8.6  94 1435-2023
 MON SEP 21  19 03  19 47  20 16         21 29  05 23  05 52  06 36  19 24  23 09  04 33   9.1  7.9  86 1529-2335
 TUE SEP 22  19 02  19 46  20 14         22 16  05 24  05 52  06 37  19 26  23 13  04 38   9.2  7.1  77 1624-2532
 WED SEP 23  19 00  19 45  20 13         23 06  05 25  05 53  06 37  19 29  23 17  04 43   9.2  6.3  68 1718-2610
 THU SEP 24  18 59  19 43  20 12         00 00  05 25  05 53  06 38  19 32  23 21  04 47   9.2  5.4  58 1812-2533
 FRI SEP 25  18 58  19 42  20 10         00 55  05 26  05 54  06 38  19 34  23 25  04 52   9.3  4.5  48 1904-2346
 SAT SEP 26  18 57  19 41  20 09         01 51  05 26  05 55  06 39  19 37  23 29  04 55   9.3  3.6  38 1954-2058
 SUN SEP 27  18 55  19 40  20 08         02 46  05 27  05 55  06 39  19 40  23 32  05 00   9.3  2.7  28 2041-1717
 MON SEP 28  18 54  19 38  20 06  16 09  03 41  05 28  05 56  06 40  19 42  23 36  05 05   9.4  1.8  19 2127-1254
 TUE SEP 29  18 53  19 37  20 05  16 39  04 37  05 28  05 56  06 41  19 45  23 40  05 09   9.4  0.8   9 2212-0758
 WED SEP 30  18 52  19 36  20 04  17 07  05 32  05 29  05 57  06 41  19 48  23 44  05 14   9.4  0.0   0 2257-0239

                ONE LINE REFERS TO EVENING DATE    FULL MOON      SEP 04   16:06  UT
                AND FOLLOWING MORNING.             LAST QUARTER   SEP 12   02:18  UT
                All dates and times are zone CST   NEW MOON       SEP 18   18:46  UT
                in upper table (except sid time).  FIRST QUARTER  SEP 26   04:53  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU OCT 01  18 50  19 34  20 02  17 36  06 29  05 30  05 58  06 42  19 50  23 48  05 19   9.5  0.0   0 2342+0251
 FRI OCT 02  18 49  19 33  20 01  18 05  07 28  05 30  05 58  06 42  19 53  23 52  05 23   9.5  0.0   0 0029+0821
 SAT OCT 03  18 48  19 32  20 00  18 37         05 31  05 59  06 43  19 55  23 56  05 28   9.5  0.0   0 0117+1335
 SUN OCT 04  18 47  19 31  19 59  19 13         05 31  05 59  06 44  19 58  00 00  05 32   9.5  0.0   0 0209+1818
 MON OCT 05  18 45  19 30  19 58  19 54         05 32  06 00  06 44  20 01  00 04  05 37   9.6  0.0   0 0304+2208
 TUE OCT 06  18 44  19 28  19 56  20 41         05 33  06 01  06 45  20 03  00 08  05 42   9.6  0.8   7 0402+2448
 WED OCT 07  18 43  19 27  19 55  21 36         05 33  06 01  06 45  20 06  00 12  05 46   9.6  1.7  17 0503+2600
 THU OCT 08  18 42  19 26  19 54  22 38         05 34  06 02  06 46  20 09  00 16  05 51   9.7  2.7  28 0605+2534
 FRI OCT 09  18 41  19 25  19 53  23 45         05 35  06 02  06 47  20 12  00 20  05 56   9.7  3.9  39 0706+2332
 SAT OCT 10  18 39  19 24  19 52  00 53         05 35  06 03  06 47  20 15  00 24  06 00   9.7  5.0  51 0805+2001
 SUN OCT 11  18 38  19 23  19 50  02 01         05 36  06 04  06 48  20 17  00 28  06 05   9.8  6.2  63 0902+1520
 MON OCT 12  18 37  19 21  19 49  03 08         05 36  06 04  06 49  20 20  00 32  06 09   9.8  7.3  74 0956+0947
 TUE OCT 13  18 36  19 20  19 48  04 13  16 22  05 37  06 05  06 49  20 23  00 36  06 14   9.8  8.4  85 1048+0344
 WED OCT 14  18 35  19 19  19 47  05 18  16 55  05 38  06 06  06 50  20 26  00 40  06 18   9.9  9.5  96 1139-0227
 THU OCT 15  18 34  19 18  19 46  06 22  17 28  05 38  06 06  06 51  20 29  00 43  06 22   9.9  9.9 100 1229-0827
 FRI OCT 16  18 33  19 17  19 45  07 25  18 03  05 39  06 07  06 51  20 32  00 47  06 27   9.9  9.9 100 1321-1358
 SAT OCT 17  18 32  19 16  19 44         18 40  05 40  06 07  06 52  20 35  00 51  06 32   9.9  9.9 100 1414-1840
 SUN OCT 18  18 30  19 15  19 43         19 21  05 40  06 08  06 53  20 38  00 55  06 36   9.9  9.9 100 1508-2220
 MON OCT 19  18 29  19 14  19 42         20 07  05 41  06 09  06 53  20 41  00 59  06 41  10.0  9.6  95 1603-2445
 TUE OCT 20  18 28  19 13  19 41         20 57  05 41  06 09  06 54  20 43  01 03  06 45  10.0  8.7  87 1659-2552
 WED OCT 21  18 27  19 12  19 40         21 50  05 42  06 10  06 55  20 46  01 07  06 50  10.0  7.9  78 1753-2539
 THU OCT 22  18 26  19 11  19 39         22 45  05 43  06 11  06 55  20 49  01 11  06 55  10.1  7.0  69 1846-2414
 FRI OCT 23  18 25  19 10  19 38         23 41  05 43  06 11  06 56  20 52  01 15  06 59  10.1  6.0  59 1937-2145
 SAT OCT 24  18 24  19 09  19 37         00 36  05 44  06 12  06 57  20 55  01 19  07 04  10.1  5.1  50 2025-1821
 SUN OCT 25  18 23  19 08  19 36         01 31  05 45  06 13  06 58  20 58  01 23  07 09  10.1  4.2  41 2112-1414
 MON OCT 26  18 22  19 07  19 35         02 26  05 45  06 13  06 58  21 01  01 27  07 13  10.2  3.3  32 2157-0932
 TUE OCT 27  18 21  19 06  19 34         03 20  05 46  06 14  06 59  21 04  01 31  07 18  10.2  2.4  23 2241-0424
 WED OCT 28  18 21  19 05  19 34         04 16  05 47  06 15  07 00  21 08  01 35  07 23  10.2  1.5  14 2326+0059
 THU OCT 29  18 20  19 05  19 33  16 04  05 14  05 47  06 15  07 01  21 11  01 39  07 27  10.2  0.6   5 0012+0629
 FRI OCT 30  18 19  19 04  19 32  16 35  06 15  05 48  06 16  07 01  21 14  01 43  07 32  10.3  0.0   0 0100+1150
 SAT OCT 31  18 18  19 03  19 31  17 10  07 19  05 49  06 17  07 02  21 17  01 47  07 37  10.3  0.0   0 0151+1646

                ONE LINE REFERS TO EVENING DATE    FULL MOON      OCT 04   06:12  UT
                AND FOLLOWING MORNING.             LAST QUARTER   OCT 11   08:58  UT
                All dates and times are zone CST   NEW MOON       OCT 18   05:35  UT
                in upper table (except sid time).  FIRST QUARTER  OCT 26   00:46  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN NOV 01  18 17  19 02  19 30  17 49         05 49  06 18  07 03  21 20  01 50  07 40  10.3  0.0   0 0246+2057
 MON NOV 02  18 16  19 01  19 30  18 35         05 50  06 18  07 04  21 24  01 54  07 45  10.3  0.0   0 0345+2402
 TUE NOV 03  18 15  19 01  19 29  19 29         05 51  06 19  07 04  21 27  01 58  07 50  10.4  0.0   0 0447+2539
 WED NOV 04  18 15  19 00  19 28  20 30         05 51  06 20  07 05  21 30  02 02  07 54  10.4  1.0   9 0550+2537
 THU NOV 05  18 14  18 59  19 28  21 37         05 52  06 20  07 06  21 34  02 06  07 59  10.4  2.1  20 0652+2354
 FRI NOV 06  18 13  18 59  19 27  22 46         05 53  06 21  07 07  21 36  02 10  08 04  10.4  3.3  31 0752+2040
 SAT NOV 07  18 12  18 58  19 26  23 54         05 54  06 22  07 08  21 39  02 14  08 09  10.5  4.5  42 0849+1613
 SUN NOV 08  18 12  18 57  19 26  01 00         05 54  06 23  07 08  21 43  02 18  08 13  10.5  5.6  53 0943+1054
 MON NOV 09  18 11  18 57  19 25  02 05         05 55  06 23  07 09  21 46  02 22  08 18  10.5  6.7  63 1034+0505
 TUE NOV 10  18 10  18 56  19 25  03 08         05 56  06 24  07 10  21 50  02 26  08 23  10.5  7.7  73 1124-0055
 WED NOV 11  18 10  18 56  19 24  04 10         05 56  06 25  07 11  21 53  02 30  08 27  10.5  8.8  83 1214-0650
 THU NOV 12  18 09  18 55  19 24  05 12  16 01  05 57  06 26  07 12  21 57  02 34  08 32  10.6  9.8  92 1304-1221
 FRI NOV 13  18 09  18 55  19 23  06 15  16 37  05 58  06 26  07 12  22 00  02 38  08 37  10.6 10.6 100 1356-1713
 SAT NOV 14  18 08  18 54  19 23  07 17  17 16  05 58  06 27  07 13  22 04  02 42  08 41  10.6 10.6 100 1449-2109
 SUN NOV 15  18 08  18 54  19 22         17 59  05 59  06 28  07 14  22 07  02 46  08 46  10.6 10.6 100 1544-2358
 MON NOV 16  18 07  18 53  19 22         18 47  06 00  06 29  07 15  22 11  02 50  08 51  10.6 10.6 100 1639-2530
 TUE NOV 17  18 07  18 53  19 22         19 39  06 01  06 29  07 16  22 15  02 54  08 56  10.7 10.4  97 1735-2543
 WED NOV 18  18 06  18 53  19 21         20 34  06 01  06 30  07 17  22 18  02 58  09 00  10.7  9.4  88 1828-2439
 THU NOV 19  18 06  18 52  19 21         21 30  06 02  06 31  07 17  22 22  03 01  09 04  10.7  8.5  79 1920-2229
 FRI NOV 20  18 05  18 52  19 21         22 26  06 03  06 32  07 18  22 26  03 05  09 09  10.7  7.6  71 2009-1921
 SAT NOV 21  18 05  18 52  19 21         23 21  06 04  06 32  07 19  22 30  03 09  09 14  10.7  6.7  62 2056-1527
 SUN NOV 22  18 05  18 51  19 20         00 15  06 04  06 33  07 20  22 33  03 13  09 18  10.7  5.8  54 2141-1058
 MON NOV 23  18 04  18 51  19 20         01 09  06 05  06 34  07 21  22 36  03 17  09 23  10.7  4.9  45 2225-0602
 TUE NOV 24  18 04  18 51  19 20         02 03  06 06  06 35  07 22  22 40  03 21  09 28  10.8  4.0  37 2309-0049
 WED NOV 25  18 04  18 51  19 20         02 59  06 06  06 35  07 22  22 44  03 25  09 32  10.8  3.1  28 2353+0432
 THU NOV 26  18 04  18 51  19 20         03 58  06 07  06 36  07 23  22 48  03 29  09 37  10.8  2.2  19 0040+0952
 FRI NOV 27  18 04  18 51  19 20         04 59  06 08  06 37  07 24  22 52  03 33  09 42  10.8  1.1  10 0129+1456
 SAT NOV 28  18 03  18 51  19 20         06 05  06 09  06 38  07 25  22 56  03 37  09 47  10.8  0.1   0 0223+1925
 SUN NOV 29  18 03  18 50  19 20  16 24  07 12  06 09  06 38  07 26  23 00  03 41  09 51  10.8  0.0   0 0321+2258
 MON NOV 30  18 03  18 50  19 20  17 15         06 10  06 39  07 27  23 04  03 45  09 56  10.8  0.0   0 0422+2511

                ONE LINE REFERS TO EVENING DATE    FULL MOON      NOV 02   19:16  UT
                AND FOLLOWING MORNING.             LAST QUARTER   NOV 09   15:59  UT
                All dates and times are zone CST   NEW MOON       NOV 16   19:15  UT
                in upper table (except sid time).  FIRST QUARTER  NOV 24   21:43  UT





                                MCDO OBSERVATORY CALENDAR FOR 2009  -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
    2009      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE DEC 01  18 03  18 50  19 20  18 15         06 11  06 40  07 27  23 08  03 49  10 01  10.8  0.0   0 0527+2545
 WED DEC 02  18 03  18 50  19 20  19 22         06 11  06 41  07 28  23 12  03 53  10 05  10.8  0.0   0 0632+2432
 THU DEC 03  18 03  18 50  19 20  20 33         06 12  06 41  07 29  23 16  03 57  10 10  10.9  1.2  11 0734+2137
 FRI DEC 04  18 03  18 51  19 20  21 44         06 13  06 42  07 30  23 20  04 01  10 15  10.9  2.4  22 0834+1720
 SAT DEC 05  18 03  18 51  19 20  22 52         06 14  06 43  07 30  23 24  04 05  10 20  10.9  3.5  32 0930+1204
 SUN DEC 06  18 03  18 51  19 20  23 58         06 14  06 44  07 31  23 28  04 08  10 24  10.9  4.6  42 1022+0614
 MON DEC 07  18 03  18 51  19 20  01 02         06 15  06 44  07 32  23 32  04 12  10 28  10.9  5.7  52 1113+0012
 TUE DEC 08  18 03  18 51  19 20  02 04         06 16  06 45  07 33  23 36  04 16  10 33  10.9  6.7  61 1202-0542
 WED DEC 09  18 04  18 51  19 21  03 05         06 16  06 46  07 33  23 41  04 20  10 37  10.9  7.7  70 1252-1114
 THU DEC 10  18 04  18 51  19 21  04 06         06 17  06 46  07 34  23 44  04 24  10 42  10.9  8.7  80 1342-1610
 FRI DEC 11  18 04  18 52  19 21  05 08         06 18  06 47  07 35  23 48  04 28  10 47  10.9  9.8  89 1434-2016
 SAT DEC 12  18 04  18 52  19 21  06 07         06 18  06 48  07 35  23 52  04 32  10 51  10.9 10.8  98 1528-2320
 SUN DEC 13  18 04  18 52  19 22  07 05  16 41  06 19  06 48  07 36  23 57  04 36  10 56  10.9 10.9 100 1623-2511
 MON DEC 14  18 05  18 53  19 22  07 57  17 31  06 19  06 49  07 37  00 01  04 40  11 00  10.9 10.9 100 1718-2546
 TUE DEC 15  18 05  18 53  19 22         18 25  06 20  06 49  07 37  00 05  04 44  11 05  11.0 11.0 100 1812-2504
 WED DEC 16  18 05  18 53  19 23         19 21  06 21  06 50  07 38  00 10  04 48  11 10  11.0 11.0 100 1904-2311
 THU DEC 17  18 06  18 54  19 23         20 17  06 21  06 51  07 39  00 14  04 52  11 14  11.0 10.1  91 1954-2018
 FRI DEC 18  18 06  18 54  19 24         21 12  06 22  06 51  07 39  00 19  04 56  11 19  11.0  9.2  83 2042-1636
 SAT DEC 19  18 07  18 55  19 24         22 07  06 22  06 52  07 40  00 23  05 00  11 23  11.0  8.2  75 2127-1216
 SUN DEC 20  18 07  18 55  19 24         23 00  06 23  06 52  07 40  00 27  05 04  11 28  11.0  7.4  67 2211-0729
 MON DEC 21  18 07  18 55  19 25         23 54  06 23  06 53  07 41  00 32  05 08  11 32  11.0  6.5  59 2254-0224
 TUE DEC 22  18 08  18 56  19 25         00 47  06 24  06 53  07 41  00 36  05 12  11 37  11.0  5.6  51 2337+0249
 WED DEC 23  18 08  18 56  19 26         01 43  06 24  06 54  07 42  00 41  05 16  11 41  11.0  4.7  42 0022+0803
 THU DEC 24  18 09  18 57  19 26         02 42  06 25  06 54  07 42  00 45  05 19  11 45  11.0  3.7  33 0109+1306
 FRI DEC 25  18 10  18 58  19 27         03 44  06 25  06 55  07 43  00 50  05 23  11 49  11.0  2.7  24 0200+1744
 SAT DEC 26  18 10  18 58  19 28         04 49  06 26  06 55  07 43  00 55  05 27  11 54  11.0  1.6  14 0255+2137
 SUN DEC 27  18 11  18 59  19 28         05 56  06 26  06 55  07 43  00 59  05 31  11 58  11.0  0.5   4 0354+2425
 MON DEC 28  18 11  18 59  19 29         07 01  06 26  06 56  07 44  01 03  05 35  12 02  10.9  0.0   0 0457+2543
 TUE DEC 29  18 12  19 00  19 29  16 58         06 27  06 56  07 44  01 07  05 39  12 07  11.0  0.0   0 0603+2516
 WED DEC 30  18 13  19 00  19 30  18 09         06 27  06 57  07 44  01 12  05 43  12 11  10.9  0.0   0 0708+2300
 THU DEC 31  18 13  19 01  19 31  19 22         06 27  06 57  07 45  01 17  05 47  12 15  10.9  0.0   0 0811+1907

                ONE LINE REFERS TO EVENING DATE    FULL MOON      DEC 02   07:34  UT
                AND FOLLOWING MORNING.             LAST QUARTER   DEC 09   00:17  UT
                All dates and times are zone CST   NEW MOON       DEC 16   12:04  UT
                in upper table (except sid time).  FIRST QUARTER  DEC 24   17:40  UT
                                                   FULL MOON      DEC 31   19:16  UT