View calendars 2000-2010 here.




                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON JAN 01  18 14  19 02  19 31  17 09         06 28  06 57  07 45  01 20  05 50  12 19  11.0  0.0   0 0632+2759
 TUE JAN 02  18 15  19 03  19 32  18 13         06 28  06 57  07 45  01 25  05 54  12 23  10.9  0.0   0 0731+2604
 WED JAN 03  18 16  19 03  19 33  19 18         06 28  06 58  07 45  01 30  05 58  12 27  10.9  0.0   0 0827+2247
 THU JAN 04  18 16  19 04  19 33  20 20         06 29  06 58  07 46  01 34  06 02  12 32  10.9  0.8   7 0918+1828
 FRI JAN 05  18 17  19 05  19 34  21 19         06 29  06 58  07 46  01 39  06 06  12 36  10.9  1.8  16 1006+1327
 SAT JAN 06  18 18  19 05  19 35  22 16         06 29  06 58  07 46  01 44  06 10  12 40  10.9  2.7  24 1050+0800
 SUN JAN 07  18 19  19 06  19 35  23 10         06 29  06 58  07 46  01 48  06 14  12 44  10.9  3.6  32 1133+0222
 MON JAN 08  18 19  19 07  19 36  00 03         06 29  06 59  07 46  01 53  06 18  12 48  10.9  4.4  40 1215-0316
 TUE JAN 09  18 20  19 08  19 37  00 56         06 29  06 59  07 46  01 58  06 21  12 52  10.9  5.3  48 1257-0847
 WED JAN 10  18 21  19 08  19 38  01 51         06 30  06 59  07 46  02 03  06 25  12 56  10.9  6.2  57 1340-1401
 THU JAN 11  18 22  19 09  19 38  02 48         06 30  06 59  07 46  02 07  06 29  13 00  10.9  7.2  65 1426-1847
 FRI JAN 12  18 23  19 10  19 39  03 47         06 30  06 59  07 46  02 12  06 33  13 04  10.9  8.1  74 1515-2253
 SAT JAN 13  18 23  19 11  19 40  04 48         06 30  06 59  07 46  02 17  06 37  13 08  10.8  9.1  84 1608-2603
 SUN JAN 14  18 24  19 11  19 40  05 49         06 30  06 59  07 46  02 20  06 41  13 12  10.8 10.2  93 1705-2758
 MON JAN 15  18 25  19 12  19 41  06 47  16 01  06 30  06 59  07 46  02 25  06 45  13 16  10.8 10.8 100 1805-2823
 TUE JAN 16  18 26  19 13  19 42  07 40  17 03  06 30  06 59  07 46  02 30  06 49  13 20  10.8 10.8 100 1906-2707
 WED JAN 17  18 27  19 14  19 43         18 10  06 29  06 58  07 45  02 35  06 53  13 23  10.8 10.8 100 2006-2410
 THU JAN 18  18 28  19 15  19 44         19 20  06 29  06 58  07 45  02 40  06 57  13 27  10.7 10.7 100 2104-1944
 FRI JAN 19  18 28  19 15  19 44         20 29  06 29  06 58  07 45  02 44  07 01  13 31  10.7 10.0  93 2159-1407
 SAT JAN 20  18 29  19 16  19 45         21 36  06 29  06 58  07 45  02 49  07 05  13 35  10.7  8.9  82 2252-0742
 SUN JAN 21  18 30  19 17  19 46         22 42  06 29  06 58  07 44  02 54  07 09  13 39  10.7  7.8  72 2343-0054
 MON JAN 22  18 31  19 18  19 47         23 48  06 29  06 57  07 44  02 59  07 13  13 43  10.7  6.7  62 0034+0555
 TUE JAN 23  18 32  19 19  19 47         00 55  06 28  06 57  07 44  03 03  07 17  13 46  10.7  5.6  51 0125+1223
 WED JAN 24  18 33  19 19  19 48         02 03  06 28  06 57  07 43  03 08  07 21  13 50  10.7  4.4  41 0218+1810
 THU JAN 25  18 34  19 20  19 49         03 11  06 28  06 57  07 43  03 13  07 25  13 54  10.6  3.3  30 0314+2255
 FRI JAN 26  18 35  19 21  19 50         04 19  06 28  06 56  07 42  03 18  07 28  13 58  10.6  2.2  20 0413+2620
 SAT JAN 27  18 35  19 22  19 50         05 23  06 27  06 56  07 42  03 22  07 32  14 00  10.6  1.1  10 0513+2811
 SUN JAN 28  18 36  19 23  19 51         06 20  06 27  06 55  07 41  03 27  07 36  14 04  10.6  0.1   1 0614+2821
 MON JAN 29  18 37  19 23  19 52         07 10  06 26  06 55  07 41  03 32  07 40  14 07  10.6  0.0   0 0713+2653
 TUE JAN 30  18 38  19 24  19 53  17 04  07 51  06 26  06 54  07 40  03 37  07 44  14 11  10.6  0.0   0 0809+2400
 WED JAN 31  18 39  19 25  19 53  18 07         06 26  06 54  07 40  03 41  07 48  14 15  10.6  0.0   0 0901+1959

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JAN 03   14:01  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JAN 11   12:48  UT
                All dates and times are zone CST   NEW MOON       JAN 19   04:02  UT
                in upper table (except sid time).  FIRST QUARTER  JAN 25   23:05  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU FEB 01  18 40  19 26  19 54  19 07         06 25  06 53  07 39  03 45  07 52  14 18  10.5  0.0   0 0950+1509
 FRI FEB 02  18 41  19 26  19 55  20 05         06 25  06 53  07 39  03 50  07 56  14 22  10.5  0.2   1 1035+0948
 SAT FEB 03  18 41  19 27  19 56  21 00         06 24  06 52  07 38  03 55  08 00  14 25  10.5  1.1  10 1118+0409
 SUN FEB 04  18 42  19 28  19 56  21 54         06 23  06 52  07 37  03 59  08 04  14 28  10.5  2.0  18 1201-0133
 MON FEB 05  18 43  19 29  19 57  22 47         06 23  06 51  07 37  04 04  08 08  14 32  10.4  2.8  27 1243-0709
 TUE FEB 06  18 44  19 30  19 58  23 41         06 22  06 51  07 36  04 09  08 12  14 35  10.4  3.7  35 1325-1230
 WED FEB 07  18 45  19 30  19 59  00 36         06 22  06 50  07 35  04 14  08 16  14 39  10.4  4.6  44 1410-1725
 THU FEB 08  18 46  19 31  19 59  01 34         06 21  06 49  07 35  04 18  08 20  14 42  10.4  5.6  53 1457-2143
 FRI FEB 09  18 47  19 32  20 00  02 33         06 20  06 49  07 34  04 23  08 24  14 45  10.3  6.5  63 1548-2511
 SAT FEB 10  18 47  19 33  20 01  03 33         06 20  06 48  07 33  04 28  08 28  14 49  10.3  7.5  73 1643-2732
 SUN FEB 11  18 48  19 33  20 02  04 32         06 19  06 47  07 32  04 33  08 32  14 52  10.3  8.5  82 1740-2833
 MON FEB 12  18 49  19 34  20 02  05 27         06 18  06 46  07 31  04 37  08 35  14 55  10.3  9.4  91 1840-2758
 TUE FEB 13  18 50  19 35  20 03  06 16         06 17  06 46  07 31  04 42  08 39  14 57  10.2 10.2  99 1940-2542
 WED FEB 14  18 51  19 36  20 04  07 00  16 56  06 17  06 45  07 30  04 47  08 43  15 01  10.2 10.2 100 2040-2149
 THU FEB 15  18 51  19 36  20 04  07 38  18 07  06 16  06 44  07 29  04 51  08 47  15 04  10.2 10.2 100 2137-1633
 FRI FEB 16  18 52  19 37  20 05         19 16  06 15  06 43  07 28  04 56  08 51  15 07  10.2 10.2 100 2231-1014
 SAT FEB 17  18 53  19 38  20 06         20 25  06 14  06 42  07 27  05 01  08 55  15 10  10.1  9.8  96 2324-0319
 SUN FEB 18  18 54  19 39  20 07         21 34  06 13  06 41  07 26  05 06  08 59  15 13  10.1  8.6  85 0017+0347
 MON FEB 19  18 55  19 39  20 07         22 43  06 12  06 40  07 25  05 09  09 03  15 16  10.1  7.5  74 0110+1038
 TUE FEB 20  18 55  19 40  20 08         23 52  06 12  06 39  07 24  05 14  09 07  15 20  10.1  6.3  62 0204+1650
 WED FEB 21  18 56  19 41  20 09         01 03  06 11  06 39  07 23  05 19  09 11  15 23  10.0  5.1  51 0300+2200
 THU FEB 22  18 57  19 41  20 09         02 12  06 10  06 38  07 22  05 23  09 15  15 26  10.0  4.0  39 0359+2549
 FRI FEB 23  18 58  19 42  20 10         03 17  06 09  06 37  07 21  05 28  09 19  15 29  10.0  2.9  28 0459+2802
 SAT FEB 24  18 58  19 43  20 11         04 17  06 08  06 36  07 20  05 33  09 23  15 32  10.0  1.8  18 0600+2834
 SUN FEB 25  18 59  19 44  20 11         05 08  06 07  06 35  07 19  05 37  09 27  15 35   9.9  1.0   9 0659+2728
 MON FEB 26  19 00  19 44  20 12         05 51  06 06  06 34  07 18  05 42  09 31  15 38   9.9  0.2   2 0755+2455
 TUE FEB 27  19 01  19 45  20 13         06 27  06 05  06 33  07 17  05 47  09 35  15 41   9.9  0.0   0 0847+2113
 WED FEB 28  19 01  19 46  20 14  16 58  06 59  06 04  06 31  07 16  05 52  09 39  15 44   9.8  0.0   0 0936+1637

                ONE LINE REFERS TO EVENING DATE    FULL MOON      FEB 02   05:48  UT
                AND FOLLOWING MORNING.             LAST QUARTER   FEB 10   09:54  UT
                All dates and times are zone CST   NEW MOON       FEB 17   16:15  UT
                in upper table (except sid time).  FIRST QUARTER  FEB 24   07:59  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU MAR 01  19 02  19 46  20 14  17 56  07 26  06 03  06 30  07 15  05 56  09 43  15 47   9.8  0.0   0 1022+1124
 FRI MAR 02  19 03  19 47  20 15  18 52  07 52  06 01  06 29  07 14  06 01  09 46  15 48   9.8  0.0   0 1106+0550
 SAT MAR 03  19 03  19 48  20 16  19 46         06 00  06 28  07 12  06 06  09 50  15 51   9.7  0.0   0 1148+0007
 SUN MAR 04  19 04  19 48  20 16  20 40         05 59  06 27  07 11  06 10  09 54  15 54   9.7  0.4   4 1230-0532
 MON MAR 05  19 05  19 49  20 17  21 33         05 58  06 26  07 10  06 15  09 58  15 57   9.7  1.3  13 1312-1100
 TUE MAR 06  19 05  19 50  20 18  22 28         05 57  06 25  07 09  06 20  10 02  16 00   9.7  2.2  22 1356-1604
 WED MAR 07  19 06  19 50  20 18  23 24         05 56  06 24  07 08  06 24  10 06  16 03   9.6  3.1  32 1443-2033
 THU MAR 08  19 07  19 51  20 19  00 22         05 55  06 23  07 07  06 29  10 10  16 06   9.6  4.0  42 1532-2415
 FRI MAR 09  19 08  19 52  20 20  01 21         05 53  06 21  07 06  06 33  10 14  16 08   9.5  5.0  52 1624-2657
 SAT MAR 10  19 08  19 52  20 20  02 19         05 52  06 20  07 04  06 37  10 18  16 11   9.5  6.0  62 1720-2824
 SUN MAR 11  19 09  19 53  20 21  03 14         05 51  06 19  07 03  06 42  10 22  16 14   9.5  6.9  72 1817-2825
 MON MAR 12  19 10  19 54  20 22  04 05         05 50  06 18  07 02  06 47  10 26  16 17   9.5  7.7  81 1916-2651
 TUE MAR 13  19 10  19 54  20 22  04 50         05 49  06 17  07 01  06 51  10 30  16 20   9.4  8.5  89 2014-2342
 WED MAR 14  19 11  19 55  20 23  05 30         05 47  06 15  07 00  06 56  10 34  16 22   9.4  9.1  96 2111-1905
 THU MAR 15  19 12  19 56  20 24  06 06  16 51  05 46  06 14  06 58  07 01  10 38  16 25   9.4  9.4 100 2207-1314
 FRI MAR 16  19 12  19 56  20 25  06 40  18 01  05 45  06 13  06 57  07 06  10 42  16 28   9.3  9.3 100 2300-0630
 SAT MAR 17  19 13  19 57  20 25  07 13  19 10  05 44  06 12  06 56  07 10  10 46  16 31   9.3  9.3 100 2354+0039
 SUN MAR 18  19 13  19 58  20 26  07 47  20 20  05 42  06 10  06 55  07 15  10 50  16 32   9.3  9.3 100 0047+0751
 MON MAR 19  19 14  19 58  20 27         21 32  05 41  06 09  06 53  07 20  10 53  16 35   9.2  8.2  88 0143+1434
 TUE MAR 20  19 15  19 59  20 27         22 45  05 40  06 08  06 52  07 24  10 57  16 38   9.2  6.9  75 0240+2021
 WED MAR 21  19 15  20 00  20 28         23 58  05 38  06 07  06 51  07 29  11 01  16 40   9.2  5.7  61 0341+2447
 THU MAR 22  19 16  20 00  20 29         01 08  05 37  06 05  06 50  07 34  11 05  16 43   9.1  4.5  49 0442+2734
 FRI MAR 23  19 17  20 01  20 29         02 11  05 36  06 04  06 48  07 38  11 09  16 46   9.1  3.4  37 0545+2834
 SAT MAR 24  19 17  20 02  20 30         03 05  05 34  06 03  06 47  07 43  11 13  16 48   9.1  2.5  27 0645+2751
 SUN MAR 25  19 18  20 02  20 31         03 51  05 33  06 02  06 46  07 48  11 17  16 51   9.0  1.7  18 0742+2537
 MON MAR 26  19 19  20 03  20 32         04 29  05 32  06 00  06 45  07 53  11 21  16 54   9.0  1.1  11 0835+2209
 TUE MAR 27  19 19  20 04  20 32         05 02  05 30  05 59  06 44  07 56  11 25  16 56   9.0  0.5   5 0925+1745
 WED MAR 28  19 20  20 04  20 33         05 30  05 29  05 58  06 42  08 01  11 29  16 59   8.9  0.0   0 1011+1243
 THU MAR 29  19 21  20 05  20 34  16 47  05 56  05 28  05 56  06 41  08 06  11 33  17 02   8.9  0.0   0 1055+0716
 FRI MAR 30  19 21  20 06  20 35  17 41  06 21  05 26  05 55  06 40  08 11  11 37  17 04   8.8  0.0   0 1137+0137
 SAT MAR 31  19 22  20 07  20 35  18 34  06 46  05 25  05 54  06 39  08 15  11 41  17 07   8.8  0.0   0 1219-0402

                ONE LINE REFERS TO EVENING DATE    FULL MOON      MAR 03   23:19  UT
                AND FOLLOWING MORNING.             LAST QUARTER   MAR 12   03:58  UT
                All dates and times are zone CST   NEW MOON       MAR 19   02:43  UT
                in upper table (except sid time).  FIRST QUARTER  MAR 25   18:18  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN APR 01  19 22  20 07  20 36  19 28  07 12  05 24  05 53  06 37  08 20  11 45  17 10   8.8  0.0   0 1301-0933
 MON APR 02  19 23  20 08  20 37  20 22  07 41  05 22  05 51  06 36  08 25  11 49  17 12   8.8  0.0   0 1345-1444
 TUE APR 03  19 24  20 09  20 38  21 18         05 21  05 50  06 35  08 30  11 53  17 15   8.7  0.7   7 1430-1923
 WED APR 04  19 24  20 09  20 38  22 15         05 20  05 49  06 34  08 34  11 57  17 17   8.7  1.6  18 1519-2318
 THU APR 05  19 25  20 10  20 39  23 13         05 18  05 47  06 32  08 39  12 01  17 19   8.7  2.6  29 1610-2616
 FRI APR 06  19 26  20 11  20 40  00 11         05 17  05 46  06 31  08 44  12 04  17 22   8.6  3.5  40 1704-2803
 SAT APR 07  19 26  20 11  20 41  01 06         05 16  05 45  06 30  08 49  12 08  17 25   8.6  4.4  51 1800-2829
 SUN APR 08  19 27  20 12  20 42  01 57         05 14  05 44  06 29  08 54  12 12  17 27   8.5  5.2  61 1857-2726
 MON APR 09  19 27  20 13  20 42  02 43         05 13  05 42  06 28  08 58  12 16  17 30   8.5  6.0  70 1954-2453
 TUE APR 10  19 28  20 14  20 43  03 24         05 12  05 41  06 26  09 03  12 20  17 33   8.5  6.7  78 2050-2054
 WED APR 11  19 29  20 14  20 44  04 01         05 10  05 40  06 25  09 08  12 24  17 35   8.4  7.3  86 2144-1541
 THU APR 12  19 29  20 15  20 45  04 34         05 09  05 38  06 24  09 13  12 28  17 38   8.4  7.8  93 2237-0928
 FRI APR 13  19 30  20 16  20 46  05 07  16 45  05 07  05 37  06 23  09 18  12 32  17 40   8.4  8.4 100 2329-0235
 SAT APR 14  19 31  20 17  20 46  05 40  17 54  05 06  05 36  06 22  09 21  12 36  17 43   8.3  8.3 100 0022+0433
 SUN APR 15  19 31  20 17  20 47  06 16  19 05  05 05  05 35  06 21  09 26  12 40  17 46   8.3  8.3 100 0117+1133
 MON APR 16  19 32  20 18  20 48  06 55  20 19  05 03  05 34  06 20  09 31  12 44  17 48   8.3  8.3 100 0214+1752
 TUE APR 17  19 33  20 19  20 49  07 41  21 34  05 02  05 32  06 18  09 36  12 48  17 51   8.2  7.5  90 0315+2301
 WED APR 18  19 33  20 20  20 50         22 48  05 01  05 31  06 17  09 41  12 52  17 54   8.2  6.2  75 0418+2635
 THU APR 19  19 34  20 20  20 51         23 56  05 00  05 30  06 16  09 46  12 56  17 57   8.1  5.1  62 0523+2817
 FRI APR 20  19 35  20 21  20 52         00 57  04 58  05 29  06 15  09 51  13 00  17 58   8.1  4.0  49 0626+2807
 SAT APR 21  19 35  20 22  20 52         01 47  04 57  05 27  06 14  09 55  13 04  18 01   8.1  3.2  39 0726+2615
 SUN APR 22  19 36  20 23  20 53         02 29  04 56  05 26  06 13  10 00  13 08  18 04   8.1  2.5  30 0821+2302
 MON APR 23  19 37  20 23  20 54         03 03  04 54  05 25  06 12  10 05  13 11  18 06   8.0  1.9  23 0912+1848
 TUE APR 24  19 37  20 24  20 55         03 33  04 53  05 24  06 11  10 10  13 15  18 09   8.0  1.3  16 1000+1354
 WED APR 25  19 38  20 25  20 56         04 00  04 52  05 23  06 10  10 15  13 19  18 12   7.9  0.9  10 1044+0832
 THU APR 26  19 39  20 26  20 57         04 26  04 51  05 22  06 09  10 20  13 23  18 15   7.9  0.4   5 1126+0257
 FRI APR 27  19 39  20 27  20 58  16 29  04 50  04 49  05 21  06 08  10 25  13 27  18 17   7.8  0.0   0 1208-0240
 SAT APR 28  19 40  20 27  20 59  17 23  05 16  04 48  05 19  06 07  10 30  13 31  18 20   7.8  0.0   0 1250-0812
 SUN APR 29  19 41  20 28  21 00  18 16  05 44  04 47  05 18  06 06  10 35  13 35  18 23   7.8  0.0   0 1333-1328
 MON APR 30  19 41  20 29  21 01  19 12  06 15  04 46  05 17  06 05  10 40  13 39  18 26   7.8  0.0   0 1419-1814

                ONE LINE REFERS TO EVENING DATE    FULL MOON      APR 02   17:17  UT
                AND FOLLOWING MORNING.             LAST QUARTER   APR 10   18:09  UT
                All dates and times are zone CST   NEW MOON       APR 17   11:37  UT
                in upper table (except sid time).  FIRST QUARTER  APR 24   06:38  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 TUE MAY 01  19 42  20 30  21 01  20 09  06 50  04 45  05 16  06 04  10 44  13 43  18 29   7.7  0.0   0 1506-2221
 WED MAY 02  19 43  20 31  21 02  21 07  07 31  04 43  05 15  06 03  10 48  13 47  18 31   7.7  0.1   1 1557-2532
 THU MAY 03  19 43  20 31  21 03  22 05         04 42  05 14  06 02  10 53  13 51  18 34   7.7  1.0  13 1651-2736
 FRI MAY 04  19 44  20 32  21 04  23 01         04 41  05 13  06 01  10 58  13 55  18 37   7.6  1.9  25 1747-2820
 SAT MAY 05  19 45  20 33  21 05  23 54         04 40  05 12  06 00  11 03  13 59  18 40   7.6  2.8  37 1844-2737
 SUN MAY 06  19 45  20 34  21 06  00 40         04 39  05 11  06 00  11 08  14 03  18 42   7.5  3.6  47 1940-2528
 MON MAY 07  19 46  20 35  21 07  01 22         04 38  05 10  05 59  11 13  14 07  18 45   7.5  4.2  56 2035-2156
 TUE MAY 08  19 47  20 36  21 08  01 59         04 37  05 09  05 58  11 18  14 11  18 48   7.5  4.9  64 2128-1712
 WED MAY 09  19 48  20 36  21 09  02 32         04 36  05 08  05 57  11 23  14 15  18 51   7.5  5.4  72 2219-1129
 THU MAY 10  19 48  20 37  21 10  03 04         04 35  05 07  05 56  11 28  14 19  18 54   7.4  5.9  79 2310-0503
 FRI MAY 11  19 49  20 38  21 11  03 36         04 34  05 07  05 56  11 33  14 22  18 57   7.4  6.4  86 0001+0147
 SAT MAY 12  19 50  20 39  21 12  04 09  16 42  04 33  05 06  05 55  11 38  14 26  19 00   7.3  6.9  94 0053+0841
 SUN MAY 13  19 50  20 40  21 13  04 46  17 52  04 32  05 05  05 54  11 43  14 30  19 03   7.3  7.3 100 0149+1512
 MON MAY 14  19 51  20 40  21 14  05 28  19 06  04 31  05 04  05 54  11 48  14 34  19 06   7.3  7.3 100 0247+2051
 TUE MAY 15  19 52  20 41  21 15  06 18  20 21  04 30  05 03  05 53  11 53  14 38  19 09   7.2  7.2 100 0350+2508
 WED MAY 16  19 52  20 42  21 16  07 15  21 34  04 29  05 02  05 52  11 58  14 42  19 12   7.2  6.9  95 0455+2740
 THU MAY 17  19 53  20 43  21 16         22 40  04 28  05 02  05 52  12 02  14 46  19 15   7.2  5.8  80 0600+2814
 FRI MAY 18  19 54  20 44  21 17         23 37  04 27  05 01  05 51  12 07  14 50  19 18   7.2  4.8  67 0703+2657
 SAT MAY 19  19 54  20 44  21 18         00 23  04 26  05 00  05 50  12 12  14 54  19 21   7.1  4.1  56 0802+2405
 SUN MAY 20  19 55  20 45  21 19         01 02  04 26  05 00  05 50  12 16  14 58  19 25   7.1  3.4  47 0856+2002
 MON MAY 21  19 56  20 46  21 20         01 34  04 25  04 59  05 49  12 21  15 02  19 28   7.1  2.8  40 0945+1512
 TUE MAY 22  19 56  20 47  21 21         02 02  04 24  04 58  05 49  12 26  15 06  19 31   7.0  2.4  33 1031+0953
 WED MAY 23  19 57  20 48  21 22         02 28  04 23  04 58  05 48  12 31  15 10  19 33   7.0  1.9  27 1114+0419
 THU MAY 24  19 58  20 48  21 23         02 54  04 23  04 57  05 48  12 36  15 14  19 37   7.0  1.5  21 1157-0119
 FRI MAY 25  19 58  20 49  21 24         03 19  04 22  04 57  05 47  12 41  15 18  19 40   7.0  1.1  15 1239-0652
 SAT MAY 26  19 59  20 50  21 24  16 10  03 46  04 21  04 56  05 47  12 45  15 22  19 43   7.0  0.6   8 1321-1211
 SUN MAY 27  19 59  20 50  21 25  17 05  04 16  04 21  04 56  05 47  12 50  15 26  19 47   6.9  0.1   1 1406-1705
 MON MAY 28  20 00  20 51  21 26  18 01  04 50  04 20  04 55  05 46  12 55  15 29  19 50   6.9  0.0   0 1453-2121
 TUE MAY 29  20 01  20 52  21 27  19 00  05 29  04 20  04 55  05 46  13 00  15 33  19 54   6.9  0.0   0 1544-2447
 WED MAY 30  20 01  20 53  21 28  19 58  06 15  04 19  04 54  05 46  13 05  15 37  19 57   6.8  0.0   0 1637-2708
 THU MAY 31  20 02  20 53  21 28  20 56  07 08  04 19  04 54  05 45  13 09  15 41  20 01   6.8  0.0   0 1733-2810

                ONE LINE REFERS TO EVENING DATE    FULL MOON      MAY 02   10:14  UT
                AND FOLLOWING MORNING.             LAST QUARTER   MAY 10   04:31  UT
                All dates and times are zone CST   NEW MOON       MAY 16   19:30  UT
                in upper table (except sid time).  FIRST QUARTER  MAY 23   21:06  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 FRI JUN 01  20 02  20 54  21 29  21 50         04 18  04 54  05 45  13 14  15 45  20 04   6.8  0.4   5 1830-2746
 SAT JUN 02  20 03  20 55  21 30  22 39         04 18  04 53  05 45  13 19  15 49  20 08   6.8  1.1  16 1927-2553
 SUN JUN 03  20 03  20 55  21 31  23 22         04 17  04 53  05 45  13 24  15 53  20 11   6.8  1.9  27 2022-2237
 MON JUN 04  20 04  20 56  21 31  00 00         04 17  04 53  05 44  13 28  15 57  20 15   6.8  2.5  36 2115-1809
 TUE JUN 05  20 04  20 56  21 32  00 33         04 17  04 52  05 44  13 33  16 01  20 19   6.8  3.0  44 2206-1243
 WED JUN 06  20 05  20 57  21 33  01 05         04 16  04 52  05 44  13 38  16 05  20 22   6.7  3.5  52 2256-0634
 THU JUN 07  20 05  20 58  21 33  01 35         04 16  04 52  05 44  13 41  16 09  20 26   6.7  4.0  60 2346-0000
 FRI JUN 08  20 06  20 58  21 34  02 07         04 16  04 52  05 44  13 46  16 13  20 30   6.7  4.5  67 0036+0640
 SAT JUN 09  20 06  20 59  21 35  02 41         04 16  04 52  05 44  13 51  16 17  20 33   6.7  5.1  76 0128+1307
 SUN JUN 10  20 07  20 59  21 35  03 19  16 45  04 16  04 52  05 44  13 55  16 21  20 37   6.7  5.7  85 0224+1856
 MON JUN 11  20 07  21 00  21 36  04 04  17 57  04 15  04 51  05 44  14 00  16 25  20 40   6.6  6.5  97 0324+2339
 TUE JUN 12  20 08  21 00  21 36  04 58  19 10  04 15  04 51  05 44  14 04  16 29  20 44   6.6  6.6 100 0428+2650
 WED JUN 13  20 08  21 01  21 37  05 59  20 20  04 15  04 51  05 44  14 09  16 33  20 48   6.6  6.6 100 0533+2810
 THU JUN 14  20 08  21 01  21 37  07 06  21 22  04 15  04 51  05 44  14 13  16 36  20 52   6.6  6.6 100 0637+2735
 FRI JUN 15  20 09  21 01  21 38         22 13  04 15  04 51  05 44  14 18  16 40  20 56   6.6  6.0  91 0739+2515
 SAT JUN 16  20 09  21 02  21 38         22 56  04 15  04 52  05 44  14 22  16 44  21 00   6.6  5.3  80 0835+2131
 SUN JUN 17  20 09  21 02  21 38         23 32  04 15  04 52  05 44  14 26  16 48  21 04   6.6  4.7  71 0927+1650
 MON JUN 18  20 10  21 02  21 39         00 02  04 15  04 52  05 44  14 31  16 52  21 08   6.6  4.2  63 1015+1132
 TUE JUN 19  20 10  21 03  21 39         00 29  04 16  04 52  05 45  14 35  16 56  21 13   6.6  3.8  57 1100+0555
 WED JUN 20  20 10  21 03  21 39         00 55  04 16  04 52  05 45  14 39  17 00  21 17   6.6  3.4  50 1143+0013
 THU JUN 21  20 11  21 03  21 39         01 21  04 16  04 52  05 45  14 43  17 04  21 21   6.6  2.9  44 1225-0524
 FRI JUN 22  20 11  21 03  21 40         01 47  04 16  04 53  05 45  14 48  17 08  21 25   6.6  2.5  37 1308-1048
 SAT JUN 23  20 11  21 04  21 40         02 16  04 16  04 53  05 45  14 52  17 12  21 29   6.6  2.0  30 1352-1549
 SUN JUN 24  20 11  21 04  21 40         02 48  04 17  04 53  05 46  14 56  17 16  21 34   6.6  1.5  22 1439-2016
 MON JUN 25  20 11  21 04  21 40  16 50  03 25  04 17  04 53  05 46  14 59  17 20  21 38   6.6  0.9  13 1528-2357
 TUE JUN 26  20 11  21 04  21 40  17 49  04 09  04 17  04 54  05 46  15 03  17 24  21 42   6.6  0.1   2 1621-2637
 WED JUN 27  20 12  21 04  21 40  18 47  05 00  04 18  04 54  05 47  15 07  17 28  21 46   6.6  0.0   0 1716-2802
 THU JUN 28  20 12  21 04  21 40  19 43  05 57  04 18  04 54  05 47  15 11  17 32  21 50   6.6  0.0   0 1814-2800
 FRI JUN 29  20 12  21 04  21 40  20 34  06 59  04 19  04 55  05 47  15 15  17 36  21 55   6.7  0.0   0 1911-2628
 SAT JUN 30  20 12  21 04  21 40  21 20         04 19  04 55  05 48  15 19  17 40  21 59   6.7  0.0   0 2008-2328

                ONE LINE REFERS TO EVENING DATE    FULL MOON      JUN 01   01:09  UT
                AND FOLLOWING MORNING.             LAST QUARTER   JUN 08   11:46  UT
                All dates and times are zone CST   NEW MOON       JUN 15   03:16  UT
                in upper table (except sid time).  FIRST QUARTER  JUN 22   13:19  UT
                                                   FULL MOON      JUN 30   13:52  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SUN JUL 01  20 12  21 04  21 40  22 00         04 20  04 56  05 48  15 23  17 44  22 04   6.7  0.3   5 2102-1910
 MON JUL 02  20 12  21 04  21 40  22 35         04 20  04 56  05 48  15 27  17 47  22 08   6.7  0.9  13 2154-1351
 TUE JUL 03  20 12  21 04  21 40  23 07         04 21  04 57  05 49  15 31  17 51  22 13   6.7  1.5  21 2245-0747
 WED JUL 04  20 12  21 04  21 40  23 38         04 21  04 57  05 49  15 35  17 55  22 17   6.7  2.0  29 2334-0118
 THU JUL 05  20 11  21 04  21 39  00 09         04 22  04 58  05 50  15 38  17 59  22 22   6.7  2.5  37 0024+0518
 FRI JUL 06  20 11  21 03  21 39  00 41         04 22  04 58  05 50  15 42  18 03  22 26   6.7  3.0  45 0115+1143
 SAT JUL 07  20 11  21 03  21 39  01 17         04 23  04 59  05 51  15 46  18 07  22 31   6.7  3.6  53 0208+1735
 SUN JUL 08  20 11  21 03  21 39  01 58         04 24  04 59  05 51  15 50  18 11  22 36   6.8  4.3  63 0305+2230
 MON JUL 09  20 11  21 03  21 38  02 47  16 54  04 24  05 00  05 52  15 53  18 15  22 40   6.8  5.2  76 0406+2604
 TUE JUL 10  20 11  21 02  21 38  03 44  18 03  04 25  05 00  05 52  15 57  18 19  22 45   6.8  6.1  89 0510+2758
 WED JUL 11  20 10  21 02  21 37  04 48  19 07  04 26  05 01  05 53  16 00  18 23  22 50   6.8  6.8 100 0614+2802
 THU JUL 12  20 10  21 02  21 37  05 55  20 03  04 26  05 02  05 53  16 03  18 27  22 54   6.8  6.8 100 0716+2618
 FRI JUL 13  20 10  21 01  21 36  07 02  20 49  04 27  05 02  05 54  16 06  18 31  22 59   6.8  6.8 100 0814+2302
 SAT JUL 14  20 10  21 01  21 36         21 28  04 28  05 03  05 54  16 10  18 35  23 04   6.9  6.9 100 0908+1836
 SUN JUL 15  20 09  21 00  21 35         22 00  04 29  05 04  05 55  16 13  18 39  23 08   6.9  6.5  93 0958+1325
 MON JUL 16  20 09  21 00  21 35         22 29  04 30  05 04  05 56  16 17  18 43  23 13   6.9  6.0  86 1044+0748
 TUE JUL 17  20 08  20 59  21 34         22 56  04 30  05 05  05 56  16 20  18 47  23 17   6.9  5.6  80 1128+0201
 WED JUL 18  20 08  20 59  21 34         23 22  04 31  05 06  05 57  16 24  18 51  23 22   6.9  5.1  74 1211-0343
 THU JUL 19  20 08  20 58  21 33         23 48  04 32  05 06  05 57  16 27  18 54  23 27   7.0  4.7  67 1253-0915
 FRI JUL 20  20 07  20 58  21 32         00 15  04 33  05 07  05 58  16 30  18 58  23 32   7.0  4.3  61 1337-1425
 SAT JUL 21  20 07  20 57  21 31         00 46  04 34  05 08  05 58  16 33  19 02  23 37   7.1  3.8  53 1423-1903
 SUN JUL 22  20 06  20 57  21 31         01 21  04 34  05 09  05 59  16 37  19 06  23 41   7.1  3.2  45 1511-2259
 MON JUL 23  20 06  20 56  21 30         02 02  04 35  05 09  06 00  16 40  19 10  23 46   7.1  2.6  36 1602-2558
 TUE JUL 24  20 05  20 55  21 29  16 36  02 50  04 36  05 10  06 00  16 43  19 14  23 51   7.1  1.8  24 1657-2748
 WED JUL 25  20 04  20 54  21 28  17 33  03 45  04 37  05 11  06 01  16 46  19 18  23 56   7.1  0.9  12 1754-2816
 THU JUL 26  20 04  20 54  21 27  18 26  04 45  04 38  05 12  06 02  16 49  19 22  00 01   7.2  0.0   0 1852-2712
 FRI JUL 27  20 03  20 53  21 27  19 14  05 50  04 39  05 12  06 02  16 53  19 26  00 06   7.2  0.0   0 1949-2437
 SAT JUL 28  20 02  20 52  21 26  19 57  06 57  04 40  05 13  06 03  16 56  19 30  00 11   7.2  0.0   0 2045-2037
 SUN JUL 29  20 02  20 51  21 25  20 35         04 41  05 14  06 03  16 58  19 34  00 16   7.3  0.0   0 2139-1527
 MON JUL 30  20 01  20 51  21 24  21 09         04 41  05 15  06 04  17 01  19 38  00 20   7.3  0.0   0 2231-0924
 TUE JUL 31  20 00  20 50  21 23  21 40         04 42  05 15  06 05  17 04  19 42  00 25   7.3  0.3   3 2321-0250

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   JUL 07   16:57  UT
                AND FOLLOWING MORNING.             NEW MOON       JUL 14   12:06  UT
                All dates and times are zone CST   FIRST QUARTER  JUL 22   06:32  UT
                in upper table (except sid time).  FULL MOON      JUL 30   00:49  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 WED AUG 01  20 00  20 49  21 22  22 11         04 43  05 16  06 05  17 07  19 46  00 30   7.3  0.8  11 0011+0353
 THU AUG 02  19 59  20 48  21 21  22 43         04 44  05 17  06 06  17 10  19 50  00 34   7.4  1.4  18 0103+1027
 FRI AUG 03  19 58  20 47  21 20  23 17         04 45  05 18  06 07  17 13  19 54  00 39   7.4  1.9  26 0156+1629
 SAT AUG 04  19 57  20 46  21 19  23 57         04 46  05 19  06 07  17 16  19 58  00 44   7.4  2.6  35 0252+2136
 SUN AUG 05  19 56  20 45  21 18  00 42         04 47  05 19  06 08  17 19  20 02  00 49   7.5  3.4  45 0351+2528
 MON AUG 06  19 56  20 44  21 17  01 35         04 48  05 20  06 09  17 22  20 05  00 54   7.5  4.3  57 0453+2745
 TUE AUG 07  19 55  20 43  21 15  02 36  16 58  04 49  05 21  06 09  17 24  20 09  00 59   7.6  5.3  70 0555+2817
 WED AUG 08  19 54  20 42  21 14  03 41  17 55  04 50  05 22  06 10  17 27  20 13  01 04   7.6  6.4  84 0657+2704
 THU AUG 09  19 53  20 41  21 13  04 47  18 44  04 50  05 22  06 11  17 30  20 17  01 08   7.6  7.6  99 0755+2416
 FRI AUG 10  19 52  20 40  21 12  05 52  19 25  04 51  05 23  06 11  17 33  20 21  01 13   7.6  7.6 100 0850+2013
 SAT AUG 11  19 51  20 39  21 11  06 54  19 59  04 52  05 24  06 12  17 36  20 25  01 18   7.7  7.7 100 0941+1516
 SUN AUG 12  19 50  20 38  21 10  07 52  20 29  04 53  05 25  06 12  17 39  20 29  01 23   7.7  7.7 100 1028+0945
 MON AUG 13  19 49  20 37  21 08         20 57  04 54  05 25  06 13  17 41  20 33  01 28   7.8  7.8 100 1113+0357
 TUE AUG 14  19 48  20 36  21 07         21 23  04 55  05 26  06 14  17 44  20 37  01 33   7.8  7.5  96 1156-0152
 WED AUG 15  19 47  20 35  21 06         21 49  04 56  05 27  06 14  17 46  20 41  01 38   7.8  7.1  90 1239-0732
 THU AUG 16  19 46  20 33  21 05         22 16  04 56  05 28  06 15  17 49  20 45  01 42   7.8  6.7  84 1322-1252
 FRI AUG 17  19 45  20 32  21 03         22 45  04 57  05 28  06 16  17 51  20 49  01 47   7.9  6.2  78 1407-1742
 SAT AUG 18  19 44  20 31  21 02         23 18  04 58  05 29  06 16  17 54  20 53  01 52   7.9  5.7  71 1454-2151
 SUN AUG 19  19 43  20 30  21 01         23 56  04 59  05 30  06 17  17 57  20 57  01 57   8.0  5.1  63 1544-2509
 MON AUG 20  19 42  20 29  20 59         00 40  05 00  05 31  06 17  17 59  21 01  02 01   8.0  4.3  54 1637-2723
 TUE AUG 21  19 41  20 28  20 58         01 31  05 01  05 31  06 18  18 02  21 05  02 06   8.0  3.5  43 1733-2820
 WED AUG 22  19 40  20 26  20 57  16 15  02 29  05 02  05 32  06 19  18 05  21 09  02 11   8.1  2.5  31 1830-2751
 THU AUG 23  19 39  20 25  20 56  17 05  03 32  05 02  05 33  06 19  18 08  21 12  02 15   8.1  1.5  18 1927-2551
 FRI AUG 24  19 38  20 24  20 54  17 50  04 38  05 03  05 33  06 20  18 10  21 16  02 20   8.2  0.4   5 2024-2222
 SAT AUG 25  19 36  20 23  20 53  18 30  05 45  05 04  05 34  06 20  18 13  21 20  02 25   8.2  0.0   0 2119-1734
 SUN AUG 26  19 35  20 21  20 52  19 06  06 52  05 05  05 35  06 21  18 16  21 24  02 30   8.2  0.0   0 2212-1143
 MON AUG 27  19 34  20 20  20 50  19 39  07 58  05 06  05 36  06 22  18 18  21 28  02 35   8.3  0.0   0 2304-0509
 TUE AUG 28  19 33  20 19  20 49  20 11         05 06  05 36  06 22  18 21  21 32  02 39   8.3  0.0   0 2355+0145
 WED AUG 29  19 32  20 18  20 47  20 43         05 07  05 37  06 23  18 23  21 36  02 44   8.3  0.0   0 0047+0836
 THU AUG 30  19 31  20 16  20 46  21 18         05 08  05 38  06 23  18 26  21 40  02 49   8.4  0.5   6 0141+1500
 FRI AUG 31  19 29  20 15  20 45  21 56         05 09  05 38  06 24  18 28  21 44  02 54   8.4  1.2  14 0238+2030

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   AUG 05   21:23  UT
                AND FOLLOWING MORNING.             NEW MOON       AUG 12   23:03  UT
                All dates and times are zone CST   FIRST QUARTER  AUG 20   23:57  UT
                in upper table (except sid time).  FULL MOON      AUG 28   10:36  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT SEP 01  19 28  20 14  20 43  22 40         05 09  05 39  06 25  18 30  21 48  02 58   8.4  1.9  23 0337+2446
 SUN SEP 02  19 27  20 12  20 42  23 31         05 10  05 40  06 25  18 33  21 52  03 03   8.5  2.8  33 0438+2726
 MON SEP 03  19 26  20 11  20 41  00 29         05 11  05 40  06 26  18 36  21 56  03 08   8.5  3.8  44 0541+2822
 TUE SEP 04  19 25  20 10  20 39  01 32         05 12  05 41  06 26  18 38  22 00  03 13   8.6  4.9  57 0642+2732
 WED SEP 05  19 23  20 08  20 38  02 38  16 42  05 12  05 42  06 27  18 41  22 04  03 17   8.6  6.0  70 0741+2508
 THU SEP 06  19 22  20 07  20 36  03 42  17 24  05 13  05 42  06 27  18 43  22 08  03 22   8.6  7.1  82 0836+2125
 FRI SEP 07  19 21  20 06  20 35  04 44  18 00  05 14  05 43  06 28  18 46  22 12  03 26   8.6  8.1  94 0927+1645
 SAT SEP 08  19 20  20 05  20 34  05 43  18 31  05 15  05 44  06 29  18 49  22 16  03 31   8.7  8.7 100 1014+1126
 SUN SEP 09  19 18  20 03  20 32  06 39  18 59  05 15  05 44  06 29  18 51  22 19  03 35   8.7  8.7 100 1059+0544
 MON SEP 10  19 17  20 02  20 31  07 34  19 25  05 16  05 45  06 30  18 54  22 23  03 40   8.8  8.8 100 1143-0004
 TUE SEP 11  19 16  20 01  20 29         19 51  05 17  05 45  06 30  18 56  22 27  03 45   8.8  8.8 100 1226-0548
 WED SEP 12  19 14  19 59  20 28         20 17  05 17  05 46  06 31  18 59  22 31  03 49   8.8  8.8 100 1309-1115
 THU SEP 13  19 13  19 58  20 27         20 46  05 18  05 47  06 31  19 02  22 35  03 54   8.8  8.5  96 1353-1616
 FRI SEP 14  19 12  19 57  20 25         21 17  05 19  05 47  06 32  19 04  22 39  03 59   8.9  8.0  90 1439-2039
 SAT SEP 15  19 11  19 55  20 24         21 53  05 19  05 48  06 33  19 07  22 43  04 03   8.9  7.4  83 1528-2413
 SUN SEP 16  19 09  19 54  20 22         22 34  05 20  05 49  06 33  19 08  22 47  04 08   9.0  6.8  75 1620-2646
 MON SEP 17  19 08  19 53  20 21         23 21  05 21  05 49  06 34  19 11  22 51  04 13   9.0  6.0  66 1714-2809
 TUE SEP 18  19 07  19 51  20 20         00 15  05 21  05 50  06 34  19 14  22 55  04 17   9.0  5.1  56 1809-2810
 WED SEP 19  19 06  19 50  20 18         01 15  05 22  05 50  06 35  19 16  22 59  04 22   9.1  4.1  45 1905-2645
 THU SEP 20  19 04  19 49  20 17         02 18  05 23  05 51  06 35  19 19  23 03  04 27   9.1  3.1  33 2001-2354
 FRI SEP 21  19 03  19 47  20 16  16 23  03 23  05 23  05 52  06 36  19 22  23 07  04 31   9.1  2.0  21 2056-1942
 SAT SEP 22  19 02  19 46  20 14  17 00  04 30  05 24  05 52  06 37  19 24  23 11  04 36   9.2  0.9   9 2149-1419
 SUN SEP 23  19 00  19 45  20 13  17 34  05 36  05 25  05 53  06 37  19 27  23 15  04 41   9.2  0.0   0 2242-0802
 MON SEP 24  18 59  19 43  20 12  18 07  06 44  05 25  05 53  06 38  19 30  23 19  04 45   9.2  0.0   0 2334-0111
 TUE SEP 25  18 58  19 42  20 10  18 39  07 54  05 26  05 54  06 38  19 32  23 23  04 49   9.3  0.0   0 0026+0551
 WED SEP 26  18 57  19 41  20 09  19 14         05 26  05 55  06 39  19 35  23 27  04 53   9.3  0.0   0 0121+1238
 THU SEP 27  18 55  19 40  20 08  19 51         05 27  05 55  06 39  19 38  23 30  04 58   9.3  0.0   0 0218+1841
 FRI SEP 28  18 54  19 38  20 06  20 35         05 28  05 56  06 40  19 40  23 34  05 03   9.4  0.5   5 0318+2332
 SAT SEP 29  18 53  19 37  20 05  21 25         05 28  05 56  06 41  19 43  23 38  05 07   9.4  1.3  14 0421+2648
 SUN SEP 30  18 52  19 36  20 04  22 22         05 29  05 57  06 41  19 46  23 42  05 12   9.4  2.3  24 0525+2814

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   SEP 04   02:36  UT
                AND FOLLOWING MORNING.             NEW MOON       SEP 11   12:45  UT
                All dates and times are zone CST   FIRST QUARTER  SEP 19   16:51  UT
                in upper table (except sid time).  FULL MOON      SEP 26   19:48  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 MON OCT 01  18 50  19 34  20 02  23 25         05 30  05 58  06 42  19 48  23 46  05 17   9.5  3.4  35 0628+2748
 TUE OCT 02  18 49  19 33  20 01  00 31         05 30  05 58  06 42  19 51  23 50  05 21   9.5  4.5  47 0728+2544
 WED OCT 03  18 48  19 32  20 00  01 35         05 31  05 59  06 43  19 53  23 54  05 26   9.5  5.6  58 0824+2218
 THU OCT 04  18 47  19 31  19 59  02 38  16 02  05 31  05 59  06 44  19 56  23 58  05 30   9.5  6.6  69 0915+1751
 FRI OCT 05  18 45  19 30  19 58  03 37  16 34  05 32  06 00  06 44  19 59  00 02  05 35   9.6  7.6  79 1003+1244
 SAT OCT 06  18 44  19 28  19 56  04 33  17 02  05 33  06 01  06 45  20 01  00 06  05 40   9.6  8.6  89 1048+0711
 SUN OCT 07  18 43  19 27  19 55  05 28  17 29  05 33  06 01  06 45  20 04  00 10  05 44   9.6  9.6  99 1131+0127
 MON OCT 08  18 42  19 26  19 54  06 22  17 55  05 34  06 02  06 46  20 07  00 14  05 49   9.7  9.7 100 1214-0415
 TUE OCT 09  18 41  19 25  19 53  07 17  18 21  05 35  06 02  06 47  20 10  00 18  05 54   9.7  9.7 100 1257-0946
 WED OCT 10  18 39  19 24  19 52         18 48  05 35  06 03  06 47  20 13  00 22  05 58   9.7  9.7 100 1341-1453
 THU OCT 11  18 38  19 23  19 50         19 18  05 36  06 04  06 48  20 15  00 26  06 03   9.8  9.8 100 1427-1927
 FRI OCT 12  18 37  19 21  19 49         19 53  05 36  06 04  06 49  20 18  00 30  06 07   9.8  9.7  99 1515-2314
 SAT OCT 13  18 36  19 20  19 48         20 32  05 37  06 05  06 49  20 21  00 34  06 11   9.8  9.1  92 1605-2603
 SUN OCT 14  18 35  19 19  19 47         21 16  05 38  06 06  06 50  20 24  00 37  06 16   9.9  8.4  84 1658-2745
 MON OCT 15  18 34  19 18  19 46         22 07  05 38  06 06  06 51  20 27  00 41  06 20   9.9  7.5  76 1752-2809
 TUE OCT 16  18 33  19 17  19 45         23 03  05 39  06 07  06 51  20 30  00 45  06 25   9.9  6.6  66 1847-2712
 WED OCT 17  18 32  19 16  19 44         00 04  05 40  06 07  06 52  20 33  00 49  06 30   9.9  5.6  56 1942-2453
 THU OCT 18  18 30  19 15  19 43         01 06  05 40  06 08  06 53  20 36  00 53  06 34   9.9  4.6  45 2036-2115
 FRI OCT 19  18 29  19 14  19 42         02 10  05 41  06 09  06 53  20 38  00 57  06 39  10.0  3.5  35 2128-1628
 SAT OCT 20  18 28  19 13  19 41         03 14  05 41  06 09  06 54  20 41  01 01  06 43  10.0  2.5  24 2219-1042
 SUN OCT 21  18 27  19 12  19 40  16 01  04 20  05 42  06 10  06 55  20 44  01 05  06 48  10.0  1.4  13 2310-0413
 MON OCT 22  18 26  19 11  19 39  16 33  05 28  05 43  06 11  06 55  20 47  01 09  06 53  10.1  0.2   2 0002+0240
 TUE OCT 23  18 25  19 10  19 38  17 07  06 39  05 43  06 11  06 56  20 50  01 13  06 57  10.1  0.0   0 0055+0935
 WED OCT 24  18 24  19 09  19 37  17 43  07 52  05 44  06 12  06 57  20 53  01 17  07 02  10.1  0.0   0 0152+1603
 THU OCT 25  18 23  19 08  19 36  18 24         05 45  06 13  06 58  20 56  01 21  07 07  10.1  0.0   0 0252+2133
 FRI OCT 26  18 22  19 07  19 35  19 13         05 45  06 13  06 58  20 59  01 25  07 11  10.2  0.0   0 0356+2535
 SAT OCT 27  18 21  19 06  19 34  20 09         05 46  06 14  06 59  21 02  01 29  07 16  10.2  0.6   5 0502+2746
 SUN OCT 28  18 21  19 05  19 34  21 13         05 47  06 15  07 00  21 06  01 33  07 21  10.2  1.6  16 0608+2757
 MON OCT 29  18 20  19 05  19 33  22 20         05 47  06 15  07 01  21 09  01 37  07 25  10.2  2.8  27 0711+2618
 TUE OCT 30  18 19  19 04  19 32  23 27         05 48  06 16  07 01  21 12  01 41  07 30  10.3  3.9  38 0809+2307
 WED OCT 31  18 18  19 03  19 31  00 31         05 49  06 17  07 02  21 15  01 45  07 34  10.3  5.0  48 0902+1850

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   OCT 03   10:08  UT
                AND FOLLOWING MORNING.             NEW MOON       OCT 11   05:02  UT
                All dates and times are zone CST   FIRST QUARTER  OCT 19   08:36  UT
                in upper table (except sid time).  FULL MOON      OCT 26   04:56  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 THU NOV 01  18 17  19 02  19 30  01 31         05 49  06 18  07 03  21 18  01 48  07 38  10.3  6.0  58 0951+1349
 FRI NOV 02  18 16  19 01  19 30  02 29         05 50  06 18  07 04  21 22  01 52  07 43  10.3  7.0  67 1037+0822
 SAT NOV 03  18 15  19 01  19 29  03 24         05 51  06 19  07 04  21 25  01 56  07 48  10.4  7.9  76 1121+0242
 SUN NOV 04  18 15  19 00  19 28  04 18         05 51  06 20  07 05  21 28  02 00  07 52  10.4  8.8  85 1203-0257
 MON NOV 05  18 14  18 59  19 28  05 12  16 24  05 52  06 20  07 06  21 31  02 04  07 57  10.4  9.7  93 1246-0828
 TUE NOV 06  18 13  18 59  19 27  06 06  16 51  05 53  06 21  07 07  21 34  02 08  08 02  10.4 10.4 100 1330-1339
 WED NOV 07  18 12  18 58  19 26  07 02  17 21  05 54  06 22  07 08  21 37  02 12  08 07  10.5 10.5 100 1415-1820
 THU NOV 08  18 12  18 57  19 26  07 58  17 54  05 54  06 23  07 08  21 41  02 16  08 11  10.5 10.5 100 1502-2217
 FRI NOV 09  18 11  18 57  19 25         18 31  05 55  06 23  07 09  21 44  02 20  08 16  10.5 10.5 100 1552-2520
 SAT NOV 10  18 10  18 56  19 25         19 14  05 56  06 24  07 10  21 48  02 24  08 21  10.5 10.5 100 1645-2718
 SUN NOV 11  18 10  18 56  19 24         20 04  05 56  06 25  07 11  21 51  02 28  08 25  10.5  9.9  93 1739-2759
 MON NOV 12  18 09  18 55  19 24         20 58  05 57  06 26  07 12  21 55  02 32  08 30  10.6  9.0  85 1834-2721
 TUE NOV 13  18 09  18 55  19 23         21 56  05 58  06 26  07 12  21 58  02 36  08 35  10.6  8.0  75 1928-2522
 WED NOV 14  18 08  18 54  19 23         22 57  05 58  06 27  07 13  22 02  02 40  08 39  10.6  7.0  66 2020-2208
 THU NOV 15  18 08  18 54  19 22         23 58  05 59  06 28  07 14  22 05  02 44  08 44  10.6  6.0  56 2112-1747
 FRI NOV 16  18 07  18 53  19 22         01 00  06 00  06 29  07 15  22 09  02 48  08 49  10.6  5.0  47 2202-1230
 SAT NOV 17  18 07  18 53  19 22         02 02  06 01  06 29  07 16  22 13  02 52  08 54  10.7  4.0  37 2251-0628
 SUN NOV 18  18 06  18 53  19 21         03 06  06 01  06 30  07 17  22 16  02 55  08 57  10.7  2.9  27 2340+0002
 MON NOV 19  18 06  18 52  19 21         04 13  06 02  06 31  07 17  22 20  02 59  09 02  10.7  1.8  17 0031+0644
 TUE NOV 20  18 05  18 52  19 21         05 24  06 03  06 32  07 18  22 24  03 03  09 07  10.7  0.7   6 0125+1316
 WED NOV 21  18 05  18 52  19 21  16 12  06 38  06 04  06 32  07 19  22 28  03 07  09 12  10.7  0.0   0 0223+1909
 THU NOV 22  18 05  18 51  19 20  16 57  07 54  06 04  06 33  07 20  22 30  03 11  09 16  10.7  0.0   0 0326+2351
 FRI NOV 23  18 04  18 51  19 20  17 50         06 05  06 34  07 21  22 34  03 15  09 21  10.7  0.0   0 0432+2654
 SAT NOV 24  18 04  18 51  19 20  18 51         06 06  06 35  07 22  22 38  03 19  09 26  10.8  0.0   0 0539+2757
 SUN NOV 25  18 04  18 51  19 20  20 00         06 06  06 35  07 22  22 42  03 23  09 30  10.8  0.7   6 0646+2658
 MON NOV 26  18 04  18 51  19 20  21 10         06 07  06 36  07 23  22 46  03 27  09 35  10.8  1.8  17 0748+2413
 TUE NOV 27  18 04  18 51  19 20  22 18         06 08  06 37  07 24  22 50  03 31  09 40  10.8  3.0  27 0845+2008
 WED NOV 28  18 03  18 51  19 20  23 22         06 09  06 38  07 25  22 54  03 35  09 45  10.8  4.0  37 0936+1510
 THU NOV 29  18 03  18 50  19 20  00 21         06 09  06 38  07 26  22 58  03 39  09 49  10.8  5.0  46 1024+0941
 FRI NOV 30  18 03  18 50  19 20  01 18         06 10  06 39  07 27  23 02  03 43  09 54  10.8  6.0  55 1109+0359

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   NOV 01   21:19  UT
                AND FOLLOWING MORNING.             NEW MOON       NOV 09   23:06  UT
                All dates and times are zone CST   FIRST QUARTER  NOV 17   22:36  UT
                in upper table (except sid time).  FULL MOON      NOV 24   14:34  UT





                                MCDO OBSERVATORY CALENDAR FOR 2007  -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
    2007      SET                  RISE   SET                  RISE   TWI    MID   DAWN  LENGTH DARK___
                      12     18                   18     12            18            18     h    h    %  midnight
 SAT DEC 01  18 03  18 50  19 20  02 12         06 11  06 40  07 27  23 06  03 47  09 59  10.8  6.9  63 1152-0142
 SUN DEC 02  18 03  18 50  19 20  03 06         06 11  06 41  07 28  23 10  03 51  10 03  10.8  7.8  71 1235-0715
 MON DEC 03  18 03  18 50  19 20  04 00         06 12  06 41  07 29  23 14  03 55  10 08  10.9  8.7  79 1318-1230
 TUE DEC 04  18 03  18 51  19 20  04 56         06 13  06 42  07 30  23 18  03 59  10 13  10.9  9.6  88 1403-1717
 WED DEC 05  18 03  18 51  19 20  05 52         06 14  06 43  07 30  23 22  04 03  10 18  10.9 10.5  96 1450-2124
 THU DEC 06  18 03  18 51  19 20  06 49  16 31  06 14  06 44  07 31  23 26  04 06  10 21  10.9 10.9 100 1539-2440
 FRI DEC 07  18 03  18 51  19 20  07 45  17 12  06 15  06 44  07 32  23 30  04 10  10 26  10.9 10.9 100 1631-2653
 SAT DEC 08  18 03  18 51  19 20         18 00  06 16  06 45  07 33  23 34  04 14  10 31  10.9 10.9 100 1725-2751
 SUN DEC 09  18 04  18 51  19 21         18 53  06 16  06 46  07 33  23 39  04 18  10 35  10.9 10.9 100 1820-2729
 MON DEC 10  18 04  18 51  19 21         19 51  06 17  06 46  07 34  23 42  04 22  10 40  10.9 10.4  95 1915-2546
 TUE DEC 11  18 04  18 52  19 21         20 51  06 18  06 47  07 35  23 46  04 26  10 45  10.9  9.4  86 2008-2246
 WED DEC 12  18 04  18 52  19 21         21 52  06 18  06 48  07 35  23 50  04 30  10 49  10.9  8.4  77 2100-1839
 THU DEC 13  18 04  18 52  19 22         22 53  06 19  06 48  07 36  23 55  04 34  10 54  10.9  7.4  67 2149-1336
 FRI DEC 14  18 05  18 53  19 22         23 54  06 19  06 49  07 37  23 59  04 38  10 58  10.9  6.4  58 2237-0752
 SAT DEC 15  18 05  18 53  19 22         00 55  06 20  06 49  07 37  00 03  04 42  11 03  11.0  5.4  49 2325-0138
 SUN DEC 16  18 05  18 53  19 23         01 58  06 21  06 50  07 38  00 08  04 46  11 08  11.0  4.4  39 0014+0447
 MON DEC 17  18 06  18 54  19 23         03 04  06 21  06 51  07 39  00 12  04 50  11 12  11.0  3.3  29 0105+1110
 TUE DEC 18  18 06  18 54  19 24         04 14  06 22  06 51  07 39  00 17  04 54  11 17  11.0  2.1  19 0200+1705
 WED DEC 19  18 07  18 55  19 24         05 28  06 22  06 52  07 40  00 21  04 58  11 21  11.0  0.9   8 0258+2208
 THU DEC 20  18 07  18 55  19 24         06 41  06 23  06 52  07 40  00 25  05 02  11 26  11.0  0.0   0 0402+2549
 FRI DEC 21  18 07  18 55  19 25  16 29  07 52  06 23  06 53  07 41  00 30  05 06  11 30  11.0  0.0   0 0508+2742
 SAT DEC 22  18 08  18 56  19 25  17 34         06 24  06 53  07 41  00 34  05 10  11 35  11.0  0.0   0 0615+2735
 SUN DEC 23  18 08  18 56  19 26  18 45         06 24  06 54  07 42  00 39  05 13  11 39  11.0  0.0   0 0720+2531
 MON DEC 24  18 09  18 57  19 26  19 56         06 25  06 54  07 42  00 43  05 17  11 43  11.0  0.5   4 0820+2151
 TUE DEC 25  18 10  18 58  19 27  21 03         06 25  06 55  07 43  00 48  05 21  11 47  11.0  1.6  14 0916+1703
 WED DEC 26  18 10  18 58  19 28  22 07         06 26  06 55  07 43  00 53  05 25  11 52  11.0  2.6  24 1006+1134
 THU DEC 27  18 11  18 59  19 28  23 07         06 26  06 55  07 43  00 56  05 29  11 56  11.0  3.6  33 1053+0545
 FRI DEC 28  18 11  18 59  19 29  00 03         06 26  06 56  07 44  01 01  05 33  12 00  10.9  4.6  41 1138-0006
 SAT DEC 29  18 12  19 00  19 29  00 58         06 27  06 56  07 44  01 05  05 37  12 05  11.0  5.5  49 1221-0549
 SUN DEC 30  18 13  19 00  19 30  01 53         06 27  06 57  07 44  01 10  05 41  12 09  10.9  6.4  58 1305-1112
 MON DEC 31  18 13  19 01  19 31  02 48         06 27  06 57  07 45  01 15  05 45  12 13  10.9  7.3  66 1349-1608

                ONE LINE REFERS TO EVENING DATE    LAST QUARTER   DEC 01   12:46  UT
                AND FOLLOWING MORNING.             NEW MOON       DEC 09   17:44  UT
                All dates and times are zone CST   FIRST QUARTER  DEC 17   10:20  UT
                in upper table (except sid time).  FULL MOON      DEC 24   01:19  UT
                                                   LAST QUARTER   DEC 31   07:53  UT