KECK OBSERVATORY CALENDAR FOR 2048 -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 2048 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 SAT FEB 01 18 24 19 03 19 29 19 59 05 42 06 08 06 47 03 55 08 27 14 10 10.2 0.5 4 1051 0210 39 SUN FEB 02 18 25 19 04 19 30 20 54 05 41 06 08 06 46 04 00 08 31 14 13 10.2 1.4 13 1140-0330 52 MON FEB 03 18 25 19 04 19 30 21 51 05 41 06 07 06 46 04 04 08 35 14 17 10.2 2.4 23 1231-0904 65 TUE FEB 04 18 26 19 05 19 31 22 49 05 41 06 07 06 46 04 09 08 39 14 21 10.2 3.3 32 1324-1410 78 WED FEB 05 18 26 19 05 19 31 23 50 05 41 06 07 06 45 04 13 08 43 14 25 10.2 4.3 42 1416-1819 >90 THU FEB 06 18 27 19 06 19 32 00 52 05 40 06 06 06 45 04 18 08 47 14 28 10.1 5.3 52 1518-2159 >90 FRI FEB 07 18 27 19 06 19 32 01 55 05 40 06 06 06 45 04 22 08 51 14 32 10.1 6.4 62 1619-2401 >90 SAT FEB 08 18 28 19 07 19 32 02 57 05 40 06 06 06 44 04 26 08 55 14 36 10.1 7.4 73 1720-2433 >90 SUN FEB 09 18 28 19 07 19 33 03 55 14 31 05 39 06 05 06 44 04 31 08 59 14 39 10.1 8.4 82 1822-2330 >90 MON FEB 10 18 29 19 07 19 33 04 49 15 34 05 39 06 05 06 43 04 35 09 03 14 43 10.1 9.3 91 1922-2101 >90 TUE FEB 11 18 29 19 08 19 34 05 37 16 37 05 39 06 04 06 43 04 40 09 07 14 47 10.1 10.0 99 2019-1720 >90 WED FEB 12 18 30 19 08 19 34 06 21 17 37 05 38 06 04 06 42 04 44 09 11 14 50 10.1 10.1 100 2112-1245 >90 THU FEB 13 18 30 19 09 19 35 18 35 05 38 06 03 06 42 04 49 09 15 14 53 10.0 10.0 100 2203-0738 >90 FRI FEB 14 18 31 19 09 19 35 19 31 05 37 06 03 06 41 04 53 09 18 14 56 10.0 10.0 100 2251-0217 >90 SAT FEB 15 18 31 19 10 19 35 20 24 05 37 06 03 06 41 04 57 09 22 15 00 10.0 9.2 91 2338 0302 >90 SUN FEB 16 18 32 19 10 19 36 21 17 05 36 06 02 06 40 05 02 09 26 15 03 10.0 8.3 83 0025 0806 >90 MON FEB 17 18 32 19 10 19 36 22 09 05 36 06 01 06 40 05 06 09 30 15 07 10.0 7.5 74 0111 1243 >90 TUE FEB 18 18 33 19 11 19 36 23 01 05 35 06 01 06 39 05 10 09 34 15 10 10.0 6.6 65 0159 1645 >90 WED FEB 19 18 33 19 11 19 37 23 53 05 35 06 00 06 38 05 14 09 38 15 14 10.0 5.7 57 0247 2002 >90 THU FEB 20 18 33 19 11 19 37 00 45 05 34 06 00 06 38 05 18 09 42 15 17 9.9 4.8 48 0338 2224 84 FRI FEB 21 18 34 19 12 19 38 01 37 05 34 05 59 06 37 05 23 09 46 15 21 9.9 3.9 39 0429 2351 73 SAT FEB 22 18 34 19 12 19 38 02 27 05 33 05 59 06 36 05 27 09 50 15 24 9.9 3.1 31 0521 2411 62 SUN FEB 23 18 35 19 13 19 38 03 15 05 32 05 58 06 36 05 31 09 54 15 27 9.9 2.3 23 0614 2323 51 MON FEB 24 18 35 19 13 19 39 14 06 04 01 05 32 05 57 06 35 05 36 09 58 15 31 9.9 1.5 15 0707 2126 40 TUE FEB 25 18 35 19 13 19 39 15 01 04 45 05 31 05 57 06 34 05 40 10 02 15 34 9.9 0.8 7 0759 1823 29 WED FEB 26 18 36 19 14 19 39 15 56 05 26 05 30 05 56 06 34 05 44 10 06 15 37 9.9 0.1 0 0851 1422 19 THU FEB 27 18 36 19 14 19 40 16 52 06 06 05 30 05 55 06 33 05 49 10 10 15 41 9.8 0.0 0 0942 0932 12 FRI FEB 28 18 37 19 14 19 40 17 48 06 45 05 29 05 55 06 32 05 53 10 14 15 44 9.8 0.0 0 1032 0407 16 SAT FEB 29 18 37 19 15 19 40 18 45 05 28 05 54 06 32 05 57 10 18 15 47 9.8 0.0 0 1123-0138 27 ONE LINE REFERS TO EVENING DATE LAST QUARTER Feb 07 03:16 UT AND FOLLOWING MORNING. NEW MOON Feb 14 00:31 UT All dates and times are zone HST FIRST QUARTER Feb 21 19:22 UT in upper table (except sid time). FULL MOON Feb 29 14:37 UT