KECK OBSERVATORY CALENDAR FOR 2015 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2015 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg SUN MAR 01 18 37 19 15 19 40 15 19 04 47 05 28 05 54 06 32 05 57 10 18 15 46 9.8 0.7 6 0824 1415 28 MON MAR 02 18 37 19 15 19 41 16 09 05 27 05 28 05 53 06 31 06 02 10 22 15 50 9.8 0.0 0 0912 1133 19 TUE MAR 03 18 38 19 15 19 41 16 58 06 06 05 27 05 52 06 30 06 06 10 25 15 53 9.8 0.0 0 0959 0823 13 WED MAR 04 18 38 19 16 19 41 17 46 06 43 05 26 05 52 06 29 06 10 10 29 15 56 9.8 0.0 0 1046 0453 15 THU MAR 05 18 38 19 16 19 41 18 35 05 25 05 51 06 28 06 14 10 33 15 59 9.7 0.0 0 1131 0110 23 FRI MAR 06 18 39 19 16 19 42 19 23 05 25 05 50 06 28 06 19 10 37 16 03 9.7 0.0 0 1217-0236 33 SAT MAR 07 18 39 19 17 19 42 20 11 05 24 05 49 06 27 06 23 10 41 16 06 9.7 0.5 4 1303-0618 44 SUN MAR 08 18 39 19 17 19 42 21 00 05 23 05 49 06 26 06 26 10 45 16 09 9.7 1.3 13 1350-0947 54 MON MAR 09 18 40 19 17 19 43 21 50 05 22 05 48 06 25 06 31 10 49 16 12 9.6 2.1 21 1439-1252 65 TUE MAR 10 18 40 19 17 19 43 22 42 05 21 05 47 06 24 06 35 10 53 16 15 9.6 3.0 30 1529-1523 76 WED MAR 11 18 40 19 18 19 43 23 35 05 21 05 46 06 24 06 39 10 57 16 19 9.6 3.9 40 1620-1711 88 THU MAR 12 18 40 19 18 19 44 00 29 05 20 05 45 06 23 06 44 11 01 16 22 9.6 4.7 49 1716-1820 >90 FRI MAR 13 18 41 19 18 19 44 01 23 05 19 05 44 06 22 06 48 11 05 16 25 9.6 5.6 58 1811-1825 >90 SAT MAR 14 18 41 19 19 19 44 02 17 05 18 05 44 06 21 06 52 11 09 16 28 9.6 6.5 68 1909-1728 >90 SUN MAR 15 18 41 19 19 19 44 03 10 14 14 05 17 05 43 06 20 06 56 11 13 16 31 9.5 7.4 77 2006-1528 >90 MON MAR 16 18 42 19 19 19 45 04 03 15 15 05 16 05 42 06 19 07 01 11 17 16 34 9.5 8.3 87 2105-1229 >90 TUE MAR 17 18 42 19 19 19 45 04 53 16 18 05 15 05 41 06 19 07 05 11 21 16 37 9.5 9.1 96 2202-0840 >90 WED MAR 18 18 42 19 20 19 45 05 42 17 21 05 15 05 40 06 18 07 09 11 25 16 40 9.5 9.5 100 2300-0416 >90 THU MAR 19 18 42 19 20 19 46 06 31 18 25 05 14 05 39 06 17 07 14 11 29 16 43 9.5 9.5 100 2357 0024 >90 FRI MAR 20 18 43 19 20 19 46 19 28 05 13 05 38 06 16 07 18 11 33 16 46 9.5 9.5 100 0054 0500 >90 SAT MAR 21 18 43 19 21 19 46 20 31 05 12 05 38 06 15 07 22 11 36 16 49 9.4 8.7 92 0151 0913 >90 SUN MAR 22 18 43 19 21 19 47 21 32 05 11 05 37 06 14 07 27 11 40 16 52 9.4 7.7 81 0247 1245 >90 MON MAR 23 18 44 19 21 19 47 22 32 05 10 05 36 06 13 07 31 11 44 16 55 9.4 6.6 70 0344 1526 >90 TUE MAR 24 18 44 19 21 19 47 23 30 05 09 05 35 06 12 07 35 11 48 16 58 9.4 5.7 60 0439 1710 >90 WED MAR 25 18 44 19 22 19 47 00 24 05 08 05 34 06 12 07 39 11 52 17 01 9.4 4.7 50 0535 1747 88 THU MAR 26 18 44 19 22 19 48 01 14 05 07 05 33 06 11 07 43 11 56 17 04 9.3 3.9 41 0628 1739 77 FRI MAR 27 18 45 19 22 19 48 02 02 05 06 05 32 06 10 07 47 12 00 17 07 9.3 3.1 32 0720 1634 66 SAT MAR 28 18 45 19 23 19 48 02 45 05 05 05 31 06 09 07 51 12 04 17 10 9.3 2.3 25 0810 1443 56 SUN MAR 29 18 45 19 23 19 49 14 05 03 27 05 05 05 30 06 08 07 56 12 08 17 14 9.3 1.6 17 0858 1212 46 MON MAR 30 18 45 19 23 19 49 14 54 04 05 05 04 05 29 06 07 08 00 12 12 17 17 9.2 1.0 10 0946 0911 37 TUE MAR 31 18 46 19 24 19 49 15 43 04 43 05 03 05 29 06 06 08 04 12 16 17 20 9.2 0.3 3 1032 0547 29 ONE LINE REFERS TO EVENING DATE FULL MOON Mar 05 18:07 UT AND FOLLOWING MORNING. LAST QUARTER Mar 13 17:50 UT All dates and times are zone HST NEW MOON Mar 20 09:34 UT in upper table (except sid time). FIRST QUARTER Mar 27 07:42 UT