KECK OBSERVATORY CALENDAR FOR 2009 -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 2009 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 TUE DEC 01 17 52 18 32 18 59 17 08 05 23 05 50 06 30 22 55 04 24 10 15 11.3 0.0 0 0439 2536 07 WED DEC 02 17 53 18 33 19 00 18 10 05 23 05 50 06 30 23 00 04 28 10 18 11.3 0.0 0 0545 2542 19 THU DEC 03 17 53 18 33 19 00 19 16 05 24 05 51 06 31 23 04 04 31 10 23 11.3 0.7 6 0650 2358 32 FRI DEC 04 17 53 18 33 19 00 20 23 05 24 05 51 06 32 23 08 04 35 10 27 11.3 1.8 16 0753 2034 46 SAT DEC 05 17 53 18 33 19 00 21 29 05 25 05 52 06 32 23 11 04 39 10 32 11.3 2.9 25 0852 1554 60 SUN DEC 06 17 53 18 34 19 00 22 31 05 25 05 52 06 33 23 16 04 43 10 36 11.3 3.9 34 0947 1022 73 MON DEC 07 17 53 18 34 19 01 23 31 05 26 05 53 06 33 23 20 04 47 10 41 11.3 4.9 43 1038 0421 87 TUE DEC 08 17 54 18 34 19 01 00 28 05 27 05 54 06 34 23 24 04 51 10 46 11.3 5.9 52 1129-0136 >90 WED DEC 09 17 54 18 34 19 01 01 24 05 27 05 54 06 35 23 28 04 55 10 50 11.3 6.8 60 1219-0725 >90 THU DEC 10 17 54 18 35 19 02 02 20 05 28 05 55 06 35 23 33 04 59 10 55 11.3 7.7 68 1308-1245 >90 FRI DEC 11 17 55 18 35 19 02 03 16 14 20 05 28 05 55 06 36 23 37 05 03 10 59 11.3 8.7 76 1358-1725 >90 SAT DEC 12 17 55 18 35 19 03 04 12 15 03 05 29 05 56 06 36 23 41 05 07 11 04 11.3 9.6 84 1450-2111 >90 SUN DEC 13 17 55 18 36 19 03 05 09 15 49 05 29 05 56 06 37 23 46 05 11 11 08 11.3 10.5 93 1543-2352 >90 MON DEC 14 17 56 18 36 19 03 06 04 16 38 05 30 05 57 06 38 23 50 05 15 11 13 11.3 11.3 100 1637-2522 >90 TUE DEC 15 17 56 18 37 19 04 06 56 17 29 05 30 05 58 06 38 23 55 05 19 11 18 11.3 11.3 100 1731-2537 >90 WED DEC 16 17 56 18 37 19 04 18 23 05 31 05 58 06 39 23 59 05 23 11 22 11.3 11.3 100 1824-2438 >90 THU DEC 17 17 57 18 37 19 05 19 16 05 32 05 59 06 39 00 03 05 27 11 27 11.4 10.7 94 1915-2233 >90 FRI DEC 18 17 57 18 38 19 05 20 09 05 32 05 59 06 40 00 08 05 31 11 31 11.4 9.8 86 2004-1931 >90 SAT DEC 19 17 58 18 38 19 05 20 59 05 33 06 00 06 40 00 12 05 35 11 36 11.4 9.0 79 2051-1543 >90 SUN DEC 20 17 58 18 39 19 06 21 49 05 33 06 00 06 41 00 17 05 39 11 39 11.4 8.2 72 2135-1120 >90 MON DEC 21 17 59 18 39 19 06 22 37 05 34 06 01 06 41 00 21 05 42 11 44 11.4 7.4 65 2219-0631 >90 TUE DEC 22 17 59 18 40 19 07 23 26 05 34 06 01 06 42 00 26 05 46 11 48 11.4 6.6 58 2302-0125 >90 WED DEC 23 18 00 18 40 19 07 00 15 05 35 06 02 06 42 00 29 05 50 11 53 11.4 5.8 50 2347 0338 90 THU DEC 24 18 00 18 41 19 08 01 05 05 35 06 02 06 43 00 34 05 54 11 57 11.4 4.9 43 0031 0902 78 FRI DEC 25 18 01 18 41 19 08 01 59 05 36 06 03 06 43 00 38 05 58 12 02 11.4 4.1 35 0119 1404 67 SAT DEC 26 18 01 18 42 19 09 02 56 05 36 06 03 06 44 00 43 06 02 12 06 11.3 3.1 27 0210 1838 54 SUN DEC 27 18 02 18 42 19 10 03 57 05 36 06 04 06 44 00 47 06 06 12 11 11.4 2.1 18 0307 2224 42 MON DEC 28 18 02 18 43 19 10 14 50 05 02 05 37 06 04 06 44 00 52 06 10 12 15 11.3 1.0 9 0408 2456 29 TUE DEC 29 18 03 18 44 19 11 15 48 06 06 05 37 06 04 06 45 00 57 06 14 12 19 11.3 0.0 0 0513 2553 15 WED DEC 30 18 04 18 44 19 11 16 53 05 38 06 05 06 45 01 01 06 18 12 24 11.3 0.0 0 0620 2458 05 THU DEC 31 18 04 18 45 19 12 18 02 05 38 06 05 06 46 01 06 06 22 12 28 11.3 0.0 0 0725 2212 15 ONE LINE REFERS TO EVENING DATE FULL MOON Dec 02 07:31 UT AND FOLLOWING MORNING. LAST QUARTER Dec 09 00:14 UT All dates and times are zone HST NEW MOON Dec 16 12:01 UT in upper table (except sid time). FIRST QUARTER Dec 24 17:37 UT FULL MOON Dec 31 19:13 UT