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 TUE MAY 01 18 56 19 36 20 03 14 24 03 09 04 34 05 02 05 42 09 56 14 21 19 24 9.4 1.9 19 1114-0110 50 WED MAY 02 18 56 19 36 20 04 15 24 03 53 04 34 05 01 05 41 10 00 14 25 19 27 9.4 1.1 12 1208-0631 43 THU MAY 03 18 56 19 36 20 04 16 26 04 40 04 33 05 01 05 41 10 04 14 29 19 31 9.4 0.4 3 1306-1139 38 FRI MAY 04 18 57 19 37 20 05 17 30 05 32 04 32 05 00 05 40 10 09 14 33 19 34 9.4 0.0 0 1406-1611 37 SAT MAY 05 18 57 19 37 20 05 18 36 06 28 04 31 04 59 05 40 10 13 14 37 19 37 9.4 0.0 0 1510-1941 40 SUN MAY 06 18 58 19 38 20 06 19 43 04 31 04 59 05 39 10 18 14 41 19 40 9.4 0.1 0 1615-2146 48 MON MAY 07 18 58 19 38 20 06 20 48 04 30 04 58 05 39 10 22 14 45 19 43 9.3 1.2 12 1720-2216 57 TUE MAY 08 18 58 19 39 20 07 21 48 04 29 04 58 05 38 10 27 14 49 19 47 9.3 2.1 23 1824-2114 67 WED MAY 09 18 59 19 39 20 08 22 42 04 29 04 57 05 38 10 31 14 52 19 50 9.3 3.1 32 1923-1850 77 THU MAY 10 18 59 19 40 20 08 23 31 04 28 04 57 05 37 10 36 14 56 19 54 9.3 3.9 41 2019-1526 87 FRI MAY 11 19 00 19 40 20 09 00 15 04 28 04 56 05 37 10 40 15 00 19 57 9.3 4.6 49 2112-1132 >90 SAT MAY 12 19 00 19 41 20 09 00 55 04 27 04 55 05 36 10 45 15 04 20 00 9.2 5.2 56 2201-0709 >90 SUN MAY 13 19 00 19 41 20 10 01 32 04 26 04 55 05 36 10 49 15 08 20 04 9.2 5.9 63 2248-0238 >90 MON MAY 14 19 01 19 42 20 10 02 08 14 11 04 26 04 54 05 35 10 54 15 12 20 07 9.2 6.4 69 2333 0153 >90 TUE MAY 15 19 01 19 42 20 11 02 44 15 00 04 25 04 54 05 35 10 57 15 16 20 11 9.2 7.0 76 0018 0613 >90 WED MAY 16 19 02 19 43 20 12 03 20 15 50 04 25 04 54 05 35 11 02 15 20 20 15 9.2 7.6 82 0103 1014 >90 THU MAY 17 19 02 19 43 20 12 03 58 16 39 04 24 04 53 05 34 11 06 15 24 20 18 9.2 8.2 90 0149 1349 >90 FRI MAY 18 19 03 19 44 20 13 04 38 17 29 04 24 04 53 05 34 11 11 15 28 20 22 9.1 8.9 97 0235 1648 >90 SAT MAY 19 19 03 19 44 20 13 05 21 18 20 04 23 04 52 05 34 11 15 15 32 20 25 9.1 9.1 100 0324 1905 >90 SUN MAY 20 19 03 19 45 20 14 06 06 19 10 04 23 04 52 05 33 11 20 15 36 20 29 9.1 9.1 100 0413 2033 >90 MON MAY 21 19 04 19 45 20 14 06 55 20 00 04 23 04 52 05 33 11 24 15 40 20 33 9.1 8.9 97 0504 2106 >90 TUE MAY 22 19 04 19 46 20 15 20 49 04 22 04 51 05 33 11 29 15 44 20 36 9.1 8.0 88 0554 2041 >90 WED MAY 23 19 05 19 46 20 15 21 36 04 22 04 51 05 33 11 33 15 48 20 39 9.1 7.2 79 0645 1919 >90 THU MAY 24 19 05 19 47 20 16 22 20 04 21 04 51 05 32 11 38 15 52 20 43 9.1 6.5 71 0736 1700 >90 FRI MAY 25 19 06 19 47 20 17 23 03 04 21 04 50 05 32 11 42 15 56 20 46 9.1 5.8 63 0826 1350 >90 SAT MAY 26 19 06 19 48 20 17 23 44 04 21 04 50 05 32 11 47 16 00 20 50 9.0 5.1 56 0916 0956 >90 SUN MAY 27 19 06 19 48 20 18 00 24 04 20 04 50 05 32 11 51 16 03 20 54 9.0 4.4 49 1006 0521 88 MON MAY 28 19 07 19 49 20 18 01 04 04 20 04 50 05 32 11 56 16 07 20 58 9.0 3.8 41 1056 0031 79 TUE MAY 29 19 07 19 49 20 19 01 45 04 20 04 49 05 31 12 00 16 11 21 01 9.0 3.1 34 1147-0436 69 WED MAY 30 19 08 19 50 20 19 14 09 02 29 04 20 04 49 05 31 12 05 16 15 21 05 9.0 2.3 25 1242-0940 60 THU MAY 31 19 08 19 50 20 20 15 10 03 17 04 19 04 49 05 31 12 09 16 19 21 09 9.0 1.5 17 1339-1421 52 ONE LINE REFERS TO EVENING DATE FULL MOON May 06 03:35 UT AND FOLLOWING MORNING. LAST QUARTER May 12 21:47 UT All dates and times are zone HST NEW MOON May 20 23:48 UT in upper table (except sid time). FIRST QUARTER May 28 20:16 UT