KECK OBSERVATORY CALENDAR FOR 2010 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2010 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg WED DEC 01 17 52 18 32 18 59 03 32 14 42 05 23 05 50 06 30 22 54 04 23 10 14 11.3 9.0 79 1336-1503 >90 THU DEC 02 17 53 18 33 19 00 04 33 15 28 05 23 05 50 06 30 22 59 04 27 10 18 11.3 10.0 88 1432-1910 >90 FRI DEC 03 17 53 18 33 19 00 05 35 16 18 05 24 05 51 06 31 23 03 04 31 10 22 11.3 11.0 97 1530-2210 >90 SAT DEC 04 17 53 18 33 19 00 06 36 17 12 05 24 05 51 06 32 23 07 04 34 10 26 11.3 11.3 100 1628-2350 >90 SUN DEC 05 17 53 18 33 19 00 18 09 05 25 05 52 06 32 23 11 04 38 10 31 11.3 11.3 100 1727-2405 >90 MON DEC 06 17 53 18 34 19 00 19 07 05 25 05 52 06 33 23 15 04 42 10 35 11.3 10.8 95 1824-2300 >90 TUE DEC 07 17 53 18 34 19 01 20 04 05 26 05 53 06 33 23 19 04 46 10 40 11.3 9.8 86 1918-2044 >90 WED DEC 08 17 54 18 34 19 01 20 59 05 27 05 54 06 34 23 23 04 50 10 45 11.3 8.9 78 2009-1732 >90 THU DEC 09 17 54 18 34 19 01 21 51 05 27 05 54 06 35 23 27 04 54 10 49 11.3 8.0 71 2057-1339 >90 FRI DEC 10 17 54 18 35 19 02 22 41 05 28 05 55 06 35 23 32 04 58 10 54 11.3 7.2 63 2142-0916 >90 SAT DEC 11 17 55 18 35 19 02 23 30 05 28 05 55 06 36 23 36 05 02 10 58 11.3 6.4 56 2226-0436 >90 SUN DEC 12 17 55 18 35 19 03 00 18 05 29 05 56 06 36 23 40 05 06 11 03 11.3 5.6 49 2311 0005 89 MON DEC 13 17 55 18 36 19 03 01 06 05 29 05 56 06 37 23 45 05 10 11 07 11.3 4.8 42 2353 0502 78 TUE DEC 14 17 56 18 36 19 03 01 55 05 30 05 57 06 38 23 49 05 14 11 12 11.3 4.0 35 0038 0945 67 WED DEC 15 17 56 18 37 19 04 02 46 05 30 05 58 06 38 23 54 05 18 11 17 11.3 3.2 28 0124 1410 56 THU DEC 16 17 56 18 37 19 04 14 00 03 39 05 31 05 58 06 39 23 58 05 22 11 21 11.3 2.3 20 0213 1806 44 FRI DEC 17 17 57 18 37 19 05 14 42 04 35 05 32 05 59 06 39 00 02 05 26 11 26 11.4 1.4 12 0306 2116 33 SAT DEC 18 17 57 18 38 19 05 15 30 05 33 05 32 05 59 06 40 00 07 05 30 11 30 11.4 0.4 3 0402 2326 21 SUN DEC 19 17 58 18 38 19 05 16 23 06 31 05 33 06 00 06 40 00 11 05 34 11 35 11.4 0.0 0 0501 2419 09 MON DEC 20 17 58 18 39 19 06 17 21 05 33 06 00 06 41 00 16 05 38 11 39 11.4 0.0 0 0602 2344 07 TUE DEC 21 17 59 18 39 19 06 18 22 05 34 06 01 06 41 00 20 05 41 11 43 11.4 0.0 0 0703 2139 19 WED DEC 22 17 59 18 40 19 07 19 25 05 34 06 01 06 42 00 25 05 45 11 47 11.4 0.8 6 0802 1812 32 THU DEC 23 18 00 18 40 19 07 20 28 05 35 06 02 06 42 00 29 05 49 11 52 11.4 1.8 15 0859 1338 46 FRI DEC 24 18 00 18 41 19 08 21 29 05 35 06 02 06 43 00 33 05 53 11 56 11.4 2.8 24 0953 0817 59 SAT DEC 25 18 01 18 41 19 08 22 29 05 36 06 03 06 43 00 37 05 57 12 01 11.4 3.8 33 1046 0230 73 SUN DEC 26 18 01 18 42 19 09 23 27 05 36 06 03 06 44 00 42 06 01 12 05 11.3 4.8 41 1138-0316 86 MON DEC 27 18 02 18 42 19 10 00 26 05 36 06 04 06 44 00 46 06 05 12 10 11.4 5.7 50 1231-0857 >90 TUE DEC 28 18 02 18 43 19 10 01 25 05 37 06 04 06 44 00 51 06 09 12 14 11.3 6.7 59 1324-1402 >90 WED DEC 29 18 03 18 44 19 11 02 25 05 37 06 04 06 45 00 56 06 13 12 18 11.3 7.7 67 1418-1818 >90 THU DEC 30 18 04 18 44 19 11 03 25 14 12 05 38 06 05 06 45 01 00 06 17 12 23 11.3 8.7 76 1514-2132 >90 FRI DEC 31 18 04 18 45 19 12 04 24 15 03 05 38 06 05 06 46 01 05 06 21 12 27 11.3 9.7 85 1612-2332 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Dec 05 17:36 UT AND FOLLOWING MORNING. FIRST QUARTER Dec 13 14:00 UT All dates and times are zone HST FULL MOON Dec 21 08:13 UT in upper table (except sid time). LAST QUARTER Dec 28 04:20 UT