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 SAT APR 01 18 46 19 24 19 50 18 45 06 53 05 02 05 28 06 06 08 12 12 23 17 26 9.2 0.0 0 1314-1232 35 SUN APR 02 18 46 19 24 19 50 19 44 05 01 05 27 06 05 08 16 12 27 17 28 9.2 0.0 0 1407-1811 45 MON APR 03 18 47 19 24 19 51 20 44 05 00 05 26 06 04 08 21 12 31 17 31 9.1 0.9 9 1501-2247 56 TUE APR 04 18 47 19 25 19 51 21 43 04 59 05 25 06 03 08 25 12 35 17 34 9.1 1.9 20 1557-2606 67 WED APR 05 18 47 19 25 19 51 22 40 04 58 05 24 06 02 08 29 12 38 17 37 9.1 2.8 30 1653-2755 78 THU APR 06 18 47 19 25 19 52 23 35 04 57 05 23 06 01 08 34 12 42 17 40 9.1 3.7 40 1748-2815 88 FRI APR 07 18 48 19 26 19 52 00 26 04 56 05 22 06 00 08 38 12 46 17 43 9.1 4.6 50 1844-2727 >90 SAT APR 08 18 48 19 26 19 52 01 12 04 55 05 21 06 00 08 42 12 50 17 46 9.0 5.3 58 1937-2516 >90 SUN APR 09 18 48 19 26 19 53 01 54 04 54 05 20 05 59 08 47 12 54 17 49 9.0 6.0 66 2026-2203 >90 MON APR 10 18 48 19 27 19 53 02 31 04 53 05 20 05 58 08 51 12 58 17 52 9.0 6.6 73 2113-1759 >90 TUE APR 11 18 49 19 27 19 53 03 06 14 24 04 52 05 19 05 57 08 54 13 02 17 55 9.0 7.2 80 2158-1314 >90 WED APR 12 18 49 19 27 19 54 03 39 15 14 04 51 05 18 05 56 08 59 13 06 17 58 9.0 7.8 86 2241-0758 >90 THU APR 13 18 49 19 28 19 54 04 12 16 03 04 50 05 17 05 55 09 03 13 10 18 01 8.9 8.3 92 2325-0221 >90 FRI APR 14 18 50 19 28 19 55 04 44 16 53 04 50 05 16 05 55 09 08 13 14 18 05 8.9 8.8 98 0008 0326 >90 SAT APR 15 18 50 19 29 19 55 05 19 17 45 04 49 05 15 05 54 09 12 13 18 18 08 8.9 8.9 100 0054 0911 >90 SUN APR 16 18 50 19 29 19 56 05 57 18 40 04 48 05 14 05 53 09 17 13 22 18 11 8.9 8.9 100 0141 1440 >90 MON APR 17 18 51 19 29 19 56 06 39 19 38 04 47 05 14 05 52 09 21 13 26 18 14 8.9 8.9 100 0233 1935 >90 TUE APR 18 18 51 19 30 19 56 20 39 04 46 05 13 05 51 09 25 13 30 18 17 8.8 8.1 91 0328 2334 >90 WED APR 19 18 51 19 30 19 57 21 43 04 45 05 12 05 51 09 30 13 34 18 19 8.8 7.0 79 0427 2617 >90 THU APR 20 18 52 19 30 19 57 22 46 04 44 05 11 05 50 09 34 13 38 18 22 8.8 6.0 67 0529 2724 >90 FRI APR 21 18 52 19 31 19 58 23 47 04 43 05 10 05 49 09 39 13 42 18 25 8.7 4.9 56 0632 2646 >90 SAT APR 22 18 52 19 31 19 58 00 42 04 42 05 09 05 49 09 43 13 46 18 28 8.7 4.0 45 0734 2420 85 SUN APR 23 18 53 19 32 19 59 01 31 04 42 05 09 05 48 09 48 13 49 18 32 8.7 3.2 36 0833 2026 74 MON APR 24 18 53 19 32 19 59 02 15 04 41 05 08 05 47 09 52 13 53 18 35 8.7 2.4 27 0929 1517 63 TUE APR 25 18 53 19 32 20 00 02 54 04 40 05 07 05 46 09 57 13 57 18 38 8.7 1.8 20 1022 0915 53 WED APR 26 18 54 19 33 20 00 14 38 03 33 04 39 05 06 05 46 10 01 14 01 18 41 8.7 1.1 12 1113 0245 45 THU APR 27 18 54 19 33 20 01 15 35 04 10 04 38 05 06 05 45 10 06 14 05 18 44 8.6 0.5 5 1203-0353 38 FRI APR 28 18 54 19 34 20 01 16 32 04 48 04 37 05 05 05 44 10 10 14 09 18 47 8.6 0.0 0 1253-1019 35 SAT APR 29 18 55 19 34 20 02 17 30 05 28 04 37 05 04 05 44 10 14 14 13 18 51 8.6 0.0 0 1345-1610 37 SUN APR 30 18 55 19 35 20 02 18 29 06 11 04 36 05 03 05 43 10 18 14 17 18 54 8.6 0.0 0 1439-2109 41 ONE LINE REFERS TO EVENING DATE FULL MOON Apr 01 18:44 UT AND FOLLOWING MORNING. LAST QUARTER Apr 09 07:52 UT All dates and times are zone HST NEW MOON Apr 17 07:27 UT in upper table (except sid time). FIRST QUARTER Apr 24 07:11 UT