KECK OBSERVATORY CALENDAR FOR 2037 -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 2037 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 FEB 01 18 24 19 03 19 29 19 44 05 42 06 08 06 47 03 58 08 30 14 13 10.2 0.2 2 1052 1018 35 MON FEB 02 18 25 19 04 19 30 20 47 05 41 06 08 06 46 04 03 08 34 14 16 10.2 1.3 12 1149 0521 50 TUE FEB 03 18 25 19 04 19 30 21 49 05 41 06 07 06 46 04 07 08 38 14 20 10.2 2.3 22 1245 0013 64 WED FEB 04 18 26 19 05 19 31 22 48 05 41 06 07 06 46 04 12 08 42 14 24 10.2 3.3 32 1339-0445 77 THU FEB 05 18 26 19 05 19 31 23 45 05 41 06 07 06 45 04 16 08 46 14 28 10.2 4.2 41 1430-0910 90 FRI FEB 06 18 27 19 06 19 32 00 42 05 40 06 06 06 45 04 21 08 50 14 30 10.1 5.2 50 1524-1320 >90 SAT FEB 07 18 27 19 06 19 32 01 37 05 40 06 06 06 45 04 25 08 54 14 34 10.1 6.1 60 1616-1632 >90 SUN FEB 08 18 28 19 07 19 32 02 31 05 40 06 06 06 44 04 29 08 57 14 38 10.1 7.0 68 1708-1850 >90 MON FEB 09 18 28 19 07 19 33 03 23 14 17 05 39 06 05 06 44 04 34 09 01 14 41 10.1 7.8 77 1800-2012 >90 TUE FEB 10 18 29 19 07 19 33 04 14 15 05 05 39 06 05 06 43 04 38 09 05 14 45 10.1 8.7 85 1852-2036 >90 WED FEB 11 18 29 19 08 19 34 05 01 15 56 05 39 06 04 06 43 04 43 09 09 14 49 10.1 9.4 93 1943-2004 >90 THU FEB 12 18 30 19 08 19 34 05 46 16 46 05 38 06 04 06 42 04 46 09 13 14 52 10.1 10.1 100 2033-1839 >90 FRI FEB 13 18 30 19 09 19 35 06 29 17 36 05 38 06 03 06 42 04 51 09 17 14 56 10.0 10.0 100 2121-1627 >90 SAT FEB 14 18 31 19 09 19 35 18 26 05 37 06 03 06 41 04 55 09 21 14 59 10.0 10.0 100 2208-1336 >90 SUN FEB 15 18 31 19 10 19 35 19 15 05 37 06 03 06 41 04 59 09 25 15 03 10.0 10.0 100 2253-1013 >90 MON FEB 16 18 32 19 10 19 36 20 04 05 36 06 02 06 40 05 04 09 29 15 06 10.0 9.5 95 2338-0627 >90 TUE FEB 17 18 32 19 10 19 36 20 52 05 36 06 01 06 40 05 08 09 33 15 10 10.0 8.7 87 0022-0225 >90 WED FEB 18 18 33 19 11 19 36 21 40 05 35 06 01 06 39 05 12 09 37 15 13 10.0 7.9 79 0107 0145 >90 THU FEB 19 18 33 19 11 19 37 22 29 05 35 06 00 06 38 05 17 09 41 15 17 10.0 7.1 71 0152 0554 >90 FRI FEB 20 18 33 19 11 19 37 23 20 05 34 06 00 06 38 05 21 09 45 15 20 9.9 6.2 62 0239 0952 >90 SAT FEB 21 18 34 19 12 19 38 00 13 05 34 05 59 06 37 05 26 09 49 15 24 9.9 5.3 53 0330 1317 90 SUN FEB 22 18 34 19 12 19 38 01 08 05 33 05 59 06 36 05 30 09 53 15 27 9.9 4.4 44 0420 1636 78 MON FEB 23 18 35 19 13 19 38 02 05 05 32 05 58 06 36 05 34 09 57 15 29 9.9 3.5 34 0514 1858 66 TUE FEB 24 18 35 19 13 19 39 03 03 05 32 05 57 06 35 05 39 10 01 15 33 9.9 2.5 25 0613 2019 53 WED FEB 25 18 35 19 13 19 39 14 07 04 02 05 31 05 57 06 34 05 43 10 04 15 36 9.9 1.5 15 0714 2025 40 THU FEB 26 18 36 19 14 19 39 15 08 05 00 05 30 05 56 06 34 05 47 10 08 15 39 9.9 0.5 5 0817 1907 26 FRI FEB 27 18 36 19 14 19 40 16 13 05 55 05 30 05 55 06 33 05 52 10 12 15 43 9.8 0.0 0 0920 1625 13 SAT FEB 28 18 37 19 14 19 40 17 19 06 47 05 29 05 55 06 32 05 56 10 16 15 46 9.8 0.0 0 1021 1230 07 ONE LINE REFERS TO EVENING DATE LAST QUARTER Feb 07 05:44 UT AND FOLLOWING MORNING. NEW MOON Feb 15 04:53 UT All dates and times are zone HST FIRST QUARTER Feb 23 06:42 UT