KECK OBSERVATORY CALENDAR FOR 2045 -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 2045 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 WED FEB 01 18 24 19 03 19 29 18 19 05 42 06 08 06 47 03 58 08 30 14 13 10.2 0.0 0 0938 1507 17 THU FEB 02 18 25 19 04 19 30 19 25 05 41 06 08 06 46 04 03 08 34 14 16 10.2 0.0 0 1034 0829 31 FRI FEB 03 18 25 19 04 19 30 20 26 05 41 06 07 06 46 04 07 08 38 14 20 10.2 0.9 9 1127 0133 45 SAT FEB 04 18 26 19 05 19 31 21 25 05 41 06 07 06 46 04 12 08 42 14 24 10.2 1.9 18 1218-0516 59 SUN FEB 05 18 26 19 05 19 31 22 22 05 41 06 07 06 45 04 16 08 46 14 28 10.2 2.9 28 1308-1135 72 MON FEB 06 18 27 19 06 19 32 23 19 05 40 06 06 06 45 04 21 08 50 14 31 10.1 3.8 37 1358-1703 84 TUE FEB 07 18 27 19 06 19 32 00 15 05 40 06 06 06 45 04 25 08 54 14 35 10.1 4.7 46 1450-2141 >90 WED FEB 08 18 28 19 07 19 32 01 11 05 40 06 06 06 44 04 29 08 58 14 39 10.1 5.7 55 1543-2507 >90 THU FEB 09 18 28 19 07 19 33 02 07 05 39 06 05 06 44 04 34 09 02 14 42 10.1 6.6 65 1636-2719 >90 FRI FEB 10 18 29 19 07 19 33 03 00 05 39 06 05 06 43 04 38 09 06 14 46 10.1 7.5 73 1730-2812 >90 SAT FEB 11 18 29 19 08 19 34 03 51 14 17 05 39 06 04 06 43 04 43 09 10 14 49 10.1 8.3 82 1823-2747 >90 SUN FEB 12 18 30 19 08 19 34 04 37 15 10 05 38 06 04 06 42 04 47 09 13 14 52 10.1 9.0 89 1915-2608 >90 MON FEB 13 18 30 19 09 19 35 05 20 16 03 05 38 06 03 06 42 04 52 09 17 14 56 10.0 9.7 97 2005-2323 >90 TUE FEB 14 18 31 19 09 19 35 05 58 16 56 05 37 06 03 06 41 04 56 09 21 14 59 10.0 10.0 100 2052-1940 >90 WED FEB 15 18 31 19 10 19 35 06 34 17 47 05 37 06 03 06 41 05 00 09 25 15 03 10.0 10.0 100 2138-1511 >90 THU FEB 16 18 32 19 10 19 36 18 37 05 36 06 02 06 40 05 05 09 29 15 06 10.0 10.0 100 2222-1007 >90 FRI FEB 17 18 32 19 10 19 36 19 26 05 36 06 01 06 40 05 08 09 33 15 10 10.0 10.0 100 2304-0438 >90 SAT FEB 18 18 33 19 11 19 36 20 16 05 35 06 01 06 39 05 12 09 37 15 13 10.0 9.3 93 2347 0104 >90 SUN FEB 19 18 33 19 11 19 37 21 06 05 35 06 00 06 38 05 17 09 41 15 17 10.0 8.5 85 0031 0649 >90 MON FEB 20 18 33 19 11 19 37 21 58 05 34 06 00 06 38 05 21 09 45 15 20 9.9 7.6 76 0116 1225 >90 TUE FEB 21 18 34 19 12 19 38 22 53 05 34 05 59 06 37 05 26 09 49 15 24 9.9 6.7 67 0205 1737 >90 WED FEB 22 18 34 19 12 19 38 23 52 05 33 05 59 06 36 05 30 09 53 15 27 9.9 5.7 57 0257 2207 >90 THU FEB 23 18 35 19 13 19 38 00 54 05 32 05 58 06 36 05 34 09 57 15 30 9.9 4.6 46 0354 2534 82 FRI FEB 24 18 35 19 13 19 39 01 58 05 32 05 57 06 35 05 39 10 01 15 34 9.9 3.6 36 0455 2739 69 SAT FEB 25 18 35 19 13 19 39 03 00 05 31 05 57 06 34 05 43 10 05 15 37 9.9 2.5 25 0559 2759 56 SUN FEB 26 18 36 19 14 19 39 04 00 05 30 05 56 06 34 05 47 10 09 15 40 9.9 1.5 15 0705 2623 43 MON FEB 27 18 36 19 14 19 40 14 47 04 53 05 30 05 55 06 33 05 52 10 13 15 44 9.8 0.6 6 0809 2255 29 TUE FEB 28 18 37 19 14 19 40 15 56 05 41 05 29 05 55 06 32 05 56 10 17 15 46 9.8 0.0 0 0909 1751 16 ONE LINE REFERS TO EVENING DATE FULL MOON Feb 01 21:04 UT AND FOLLOWING MORNING. LAST QUARTER Feb 08 19:02 UT All dates and times are zone HST NEW MOON Feb 16 23:52 UT in upper table (except sid time). FIRST QUARTER Feb 24 16:37 UT