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 THU MAR 01 18 37 19 15 19 41 02 16 05 28 05 53 06 31 05 35 10 20 16 14 10.6 3.6 34 0545 2141 64 FRI MAR 02 18 38 19 15 19 41 03 04 05 27 05 52 06 30 05 39 10 24 16 17 10.6 2.8 26 0639 2024 53 SAT MAR 03 18 38 19 16 19 41 14 07 03 51 05 26 05 52 06 29 05 44 10 28 16 21 10.6 2.0 19 0733 1801 41 SUN MAR 04 18 38 19 16 19 41 15 04 04 36 05 25 05 51 06 28 05 48 10 32 16 24 10.6 1.2 11 0827 1435 30 MON MAR 05 18 39 19 16 19 42 16 02 05 20 05 25 05 50 06 28 05 51 10 36 16 27 10.6 0.5 4 0921 1014 20 TUE MAR 06 18 39 19 17 19 42 17 02 06 03 05 24 05 49 06 27 05 56 10 40 16 30 10.5 0.0 0 1016 0511 16 WED MAR 07 18 39 19 17 19 42 18 01 06 47 05 23 05 49 06 26 06 00 10 44 16 34 10.5 0.0 0 1110-0018 21 THU MAR 08 18 40 19 17 19 43 19 02 05 22 05 48 06 25 06 04 10 48 16 37 10.5 0.0 0 1206-0551 32 FRI MAR 09 18 40 19 17 19 43 20 04 05 21 05 47 06 24 06 08 10 52 16 40 10.5 0.8 7 1302-1107 45 SAT MAR 10 18 40 19 18 19 43 21 08 05 21 05 46 06 24 06 13 10 56 16 43 10.5 1.8 17 1401-1541 58 SUN MAR 11 18 40 19 18 19 44 22 11 05 20 05 45 06 23 06 17 11 00 16 46 10.5 2.9 27 1501-1914 71 MON MAR 12 18 41 19 18 19 44 23 14 05 19 05 44 06 22 06 21 11 04 16 49 10.4 3.9 37 1602-2125 84 TUE MAR 13 18 41 19 19 19 44 00 15 05 18 05 44 06 21 06 26 11 08 16 53 10.4 4.9 47 1703-2219 >90 WED MAR 14 18 41 19 19 19 44 01 12 05 17 05 43 06 20 06 30 11 12 16 56 10.4 5.9 56 1803-2148 >90 THU MAR 15 18 42 19 19 19 45 02 05 05 16 05 42 06 19 06 34 11 16 16 59 10.4 6.8 65 1900-2003 >90 FRI MAR 16 18 42 19 19 19 45 02 52 05 15 05 41 06 19 06 38 11 20 17 02 10.4 7.5 72 1954-1716 >90 SAT MAR 17 18 42 19 20 19 45 03 36 14 49 05 15 05 40 06 18 06 43 11 24 17 04 10.3 8.3 79 2046-1342 >90 SUN MAR 18 18 42 19 20 19 46 04 16 15 44 05 14 05 39 06 17 06 47 11 27 17 07 10.3 8.9 86 2135-0936 >90 MON MAR 19 18 43 19 20 19 46 04 54 16 36 05 13 05 38 06 16 06 51 11 31 17 10 10.3 9.6 92 2222-0510 >90 TUE MAR 20 18 43 19 21 19 46 05 30 17 27 05 12 05 38 06 15 06 56 11 35 17 14 10.3 10.1 98 2307-0036 >90 WED MAR 21 18 43 19 21 19 47 06 06 18 17 05 11 05 37 06 14 07 00 11 39 17 17 10.3 10.3 100 2352 0354 >90 THU MAR 22 18 44 19 21 19 47 06 42 19 07 05 10 05 36 06 13 07 03 11 43 17 20 10.2 10.2 100 0037 0811 >90 FRI MAR 23 18 44 19 21 19 47 19 57 05 09 05 35 06 12 07 07 11 47 17 23 10.2 9.6 94 0123 1205 >90 SAT MAR 24 18 44 19 22 19 47 20 47 05 08 05 34 06 12 07 12 11 51 17 26 10.2 8.8 86 0209 1529 >90 SUN MAR 25 18 44 19 22 19 48 21 38 05 07 05 33 06 11 07 16 11 55 17 29 10.2 7.9 77 0257 1814 >90 MON MAR 26 18 45 19 22 19 48 22 29 05 06 05 32 06 10 07 20 11 59 17 32 10.2 7.0 69 0346 2013 >90 TUE MAR 27 18 45 19 23 19 48 23 19 05 05 05 31 06 09 07 25 12 03 17 35 10.1 6.2 61 0436 2119 >90 WED MAR 28 18 45 19 23 19 49 00 08 05 05 05 30 06 08 07 29 12 07 17 38 10.1 5.4 53 0532 2104 >90 THU MAR 29 18 45 19 23 19 49 00 56 05 04 05 29 06 07 07 33 12 11 17 41 10.1 4.5 45 0620 2032 81 FRI MAR 30 18 46 19 24 19 49 01 42 05 03 05 29 06 06 07 38 12 15 17 45 10.1 3.8 37 0712 1839 71 SAT MAR 31 18 46 19 24 19 50 02 27 05 02 05 28 06 06 07 42 12 19 17 48 10.1 3.0 29 0805 1544 60 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Mar 01 01:22 UT AND FOLLOWING MORNING. FULL MOON Mar 08 09:39 UT All dates and times are zone HST LAST QUARTER Mar 15 01:26 UT in upper table (except sid time). NEW MOON Mar 22 14:36 UT FIRST QUARTER Mar 30 19:42 UT