KECK OBSERVATORY CALENDAR FOR 2007 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SAT DEC 01 17 52 18 32 18 59 00 47 05 23 05 50 06 30 22 53 04 22 10 13 11.3 6.3 55 1123+0205 SUN DEC 02 17 52 18 33 18 59 01 36 05 23 05 50 06 30 22 58 04 26 10 16 11.3 7.1 62 1206-0335 MON DEC 03 17 53 18 33 19 00 02 24 05 24 05 51 06 31 23 02 04 29 10 21 11.3 7.9 69 1249-0903 TUE DEC 04 17 53 18 33 19 00 03 13 05 24 05 51 06 32 23 06 04 33 10 25 11.3 8.7 76 1333-1409 WED DEC 05 17 53 18 33 19 00 04 04 05 25 05 52 06 32 23 09 04 37 10 30 11.3 9.5 84 1418-1844 THU DEC 06 17 53 18 33 19 00 04 55 05 25 05 52 06 33 23 13 04 41 10 34 11.3 10.4 91 1506-2236 FRI DEC 07 17 53 18 34 19 01 05 49 16 26 05 26 05 53 06 33 23 18 04 45 10 39 11.3 11.2 99 1556-2532 SAT DEC 08 17 54 18 34 19 01 06 43 17 11 05 27 05 54 06 34 23 22 04 49 10 44 11.3 11.3 100 1649-2721 SUN DEC 09 17 54 18 34 19 01 07 36 18 01 05 27 05 54 06 35 23 26 04 53 10 48 11.3 11.3 100 1744-2753 MON DEC 10 17 54 18 35 19 02 18 55 05 28 05 55 06 35 23 31 04 57 10 53 11.3 11.0 97 1839-2704 TUE DEC 11 17 55 18 35 19 02 19 51 05 28 05 55 06 36 23 35 05 01 10 57 11.3 10.1 88 1933-2454 WED DEC 12 17 55 18 35 19 02 20 47 05 29 05 56 06 36 23 39 05 05 11 02 11.3 9.2 80 2026-2130 THU DEC 13 17 55 18 36 19 03 21 43 05 29 05 56 06 37 23 44 05 09 11 06 11.3 8.2 72 2116-1703 FRI DEC 14 17 56 18 36 19 03 22 38 05 30 05 57 06 38 23 48 05 13 11 11 11.3 7.3 64 2205-1145 SAT DEC 15 17 56 18 37 19 04 23 33 05 30 05 58 06 38 23 53 05 17 11 16 11.3 6.4 56 2253-0550 SUN DEC 16 17 56 18 37 19 04 00 28 05 31 05 58 06 39 23 57 05 21 11 20 11.3 5.5 48 2341+0029 MON DEC 17 17 57 18 37 19 05 01 25 05 31 05 59 06 39 00 01 05 25 11 25 11.4 4.6 40 0031+0656 TUE DEC 18 17 57 18 38 19 05 02 25 05 32 05 59 06 40 00 06 05 29 11 29 11.4 3.6 31 0123+1312 WED DEC 19 17 58 18 38 19 05 03 29 05 33 06 00 06 40 00 10 05 33 11 34 11.4 2.5 22 0219+1854 THU DEC 20 17 58 18 39 19 06 04 37 05 33 06 00 06 41 00 15 05 37 11 37 11.4 1.4 12 0319+2332 FRI DEC 21 17 59 18 39 19 06 05 46 05 34 06 01 06 41 00 19 05 40 11 42 11.4 0.3 2 0424+2639 SAT DEC 22 17 59 18 40 19 07 16 27 06 55 05 34 06 01 06 42 00 24 05 44 11 46 11.4 0.0 0 0531+2753 SUN DEC 23 18 00 18 40 19 07 17 34 07 57 05 35 06 02 06 42 00 27 05 48 11 51 11.4 0.0 0 0637+2706 MON DEC 24 18 00 18 41 19 08 18 41 05 35 06 02 06 43 00 32 05 52 11 55 11.4 0.0 0 0741+2427 TUE DEC 25 18 01 18 41 19 08 19 47 05 35 06 03 06 43 00 36 05 56 12 00 11.4 1.1 9 0839+2021 WED DEC 26 18 01 18 42 19 09 20 49 05 36 06 03 06 44 00 41 06 00 12 04 11.3 2.1 18 0933+1517 THU DEC 27 18 02 18 42 19 10 21 46 05 36 06 04 06 44 00 45 06 04 12 09 11.4 3.1 26 1022+0939 FRI DEC 28 18 02 18 43 19 10 22 39 05 37 06 04 06 44 00 50 06 08 12 13 11.3 3.9 34 1108+0347 SAT DEC 29 18 03 18 43 19 11 23 29 05 37 06 04 06 45 00 54 06 12 12 17 11.3 4.8 41 1152-0202 SUN DEC 30 18 04 18 44 19 11 00 18 05 38 06 05 06 45 00 59 06 16 12 22 11.3 5.6 49 1236-0739 MON DEC 31 18 04 18 45 19 12 01 07 05 38 06 05 06 46 01 04 06 20 12 26 11.3 6.4 56 1319-1254 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 HST 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