KECK OBSERVATORY CALENDAR FOR 2012 -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 2012 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 FEB 01 18 24 19 03 19 29 02 45 05 42 06 08 06 47 03 28 08 26 14 35 11.1 3.4 30 0419 2151 57 THU FEB 02 18 25 19 04 19 30 03 36 05 41 06 08 06 46 03 33 08 30 14 39 11.1 2.5 22 0512 2219 46 FRI FEB 03 18 25 19 04 19 30 14 30 04 27 05 41 06 07 06 46 03 37 08 34 14 42 11.0 1.7 15 0607 2141 34 SAT FEB 04 18 26 19 05 19 31 15 25 05 15 05 41 06 07 06 46 03 42 08 38 14 46 11.0 0.9 7 0702 1952 23 SUN FEB 05 18 26 19 05 19 31 16 23 06 02 05 41 06 07 06 45 03 46 08 42 14 50 11.0 0.1 0 0757 1656 11 MON FEB 06 18 27 19 06 19 32 17 21 06 46 05 40 06 06 06 45 03 51 08 46 14 53 11.0 0.0 0 0852 1259 07 TUE FEB 07 18 27 19 06 19 32 18 20 05 40 06 06 06 45 03 55 08 50 14 57 11.0 0.0 0 0946 0815 18 WED FEB 08 18 28 19 07 19 32 19 18 05 40 06 06 06 44 04 00 08 54 15 01 11.0 0.2 1 1039 0259 31 THU FEB 09 18 28 19 07 19 33 20 17 05 39 06 05 06 44 04 04 08 58 15 04 11.0 1.2 10 1133-0230 44 FRI FEB 10 18 29 19 07 19 33 21 17 05 39 06 05 06 43 04 08 09 02 15 08 11.0 2.2 19 1227-0752 58 SAT FEB 11 18 29 19 08 19 34 22 17 05 39 06 04 06 43 04 13 09 06 15 11 10.9 3.1 28 1322-1248 71 SUN FEB 12 18 30 19 08 19 34 23 18 05 38 06 04 06 42 04 17 09 09 15 14 10.9 4.2 38 1418-1653 84 MON FEB 13 18 30 19 09 19 35 00 20 05 38 06 04 06 42 04 22 09 13 15 18 10.9 5.2 47 1517-2003 >90 TUE FEB 14 18 31 19 09 19 35 01 21 05 37 06 03 06 41 04 26 09 17 15 21 10.9 6.2 56 1617-2155 >90 WED FEB 15 18 31 19 10 19 35 02 21 05 37 06 03 06 41 04 31 09 21 15 25 10.9 7.2 66 1716-2226 >90 THU FEB 16 18 32 19 10 19 36 03 16 14 00 05 36 06 02 06 40 04 34 09 25 15 28 10.9 8.1 74 1815-2138 >90 FRI FEB 17 18 32 19 10 19 36 04 07 14 59 05 36 06 01 06 40 04 38 09 29 15 31 10.9 9.0 82 1911-1937 >90 SAT FEB 18 18 33 19 11 19 36 04 54 15 57 05 35 06 01 06 39 04 43 09 33 15 35 10.8 9.7 89 2006-1636 >90 SUN FEB 19 18 33 19 11 19 37 05 37 16 54 05 35 06 00 06 38 04 47 09 37 15 38 10.8 10.4 96 2057-1248 >90 MON FEB 20 18 33 19 11 19 37 06 17 17 49 05 34 06 00 06 38 04 51 09 41 15 42 10.8 10.8 100 2146-0830 >90 TUE FEB 21 18 34 19 12 19 38 06 55 18 42 05 34 05 59 06 37 04 56 09 45 15 45 10.8 10.8 100 2233-0355 >90 WED FEB 22 18 34 19 12 19 38 19 33 05 33 05 59 06 36 05 00 09 49 15 49 10.8 10.4 96 2319 0044 >90 THU FEB 23 18 35 19 13 19 38 20 23 05 32 05 58 06 36 05 05 09 53 15 52 10.7 9.6 89 0004 0517 >90 FRI FEB 24 18 35 19 13 19 39 21 14 05 32 05 57 06 35 05 09 09 57 15 55 10.7 8.7 81 0049 0932 >90 SAT FEB 25 18 35 19 13 19 39 22 03 05 31 05 57 06 34 05 13 10 01 15 59 10.7 7.9 73 0135 1322 >90 SUN FEB 26 18 36 19 14 19 39 22 54 05 30 05 56 06 34 05 18 10 05 16 02 10.7 7.0 65 0222 1639 >90 MON FEB 27 18 36 19 14 19 40 23 45 05 30 05 55 06 33 05 22 10 09 16 05 10.7 6.2 57 0310 1915 >90 TUE FEB 28 18 37 19 14 19 40 00 36 05 29 05 55 06 32 05 26 10 13 16 09 10.7 5.3 49 0401 2058 86 WED FEB 29 18 37 19 15 19 40 01 26 05 28 05 54 06 32 05 31 10 17 16 11 10.7 4.5 41 0452 2152 75 ONE LINE REFERS TO EVENING DATE FULL MOON Feb 07 21:53 UT AND FOLLOWING MORNING. LAST QUARTER Feb 14 17:05 UT All dates and times are zone HST NEW MOON Feb 21 22:34 UT