KECK OBSERVATORY CALENDAR FOR 2047 -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 2047 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 MON APR 01 18 46 19 24 19 50 00 24 05 02 05 28 06 06 08 10 12 21 17 24 9.2 4.6 50 0551 2455 88 TUE APR 02 18 46 19 24 19 50 01 13 05 01 05 27 06 05 08 14 12 25 17 27 9.2 3.8 41 0645 2335 78 WED APR 03 18 47 19 24 19 51 02 00 05 00 05 26 06 04 08 19 12 29 17 30 9.1 3.0 32 0739 2053 67 THU APR 04 18 47 19 25 19 51 02 44 04 59 05 25 06 03 08 23 12 33 17 32 9.1 2.3 24 0833 1658 57 FRI APR 05 18 47 19 25 19 51 14 01 03 26 04 58 05 24 06 02 08 27 12 37 17 35 9.1 1.5 16 0927 1159 46 SAT APR 06 18 47 19 25 19 52 15 01 04 07 04 57 05 23 06 01 08 32 12 41 17 38 9.1 0.8 9 1020 0609 37 SUN APR 07 18 48 19 26 19 52 16 02 04 48 04 56 05 22 06 00 08 36 12 44 17 41 9.1 0.1 1 1114-0014 30 MON APR 08 18 48 19 26 19 52 17 04 05 31 04 55 05 21 06 00 08 40 12 48 17 44 9.0 0.0 0 1209-0646 28 TUE APR 09 18 48 19 26 19 53 18 07 06 17 04 54 05 20 05 59 08 45 12 52 17 47 9.0 0.0 0 1307-1300 33 WED APR 10 18 48 19 27 19 53 19 13 04 53 05 20 05 58 08 49 12 56 17 50 9.0 0.0 0 1407-1828 42 THU APR 11 18 49 19 27 19 53 20 21 04 52 05 19 05 57 08 53 13 00 17 53 9.0 0.5 5 1510-2240 53 FRI APR 12 18 49 19 27 19 54 21 28 04 51 05 18 05 56 08 57 13 04 17 56 9.0 1.6 17 1614-2516 65 SAT APR 13 18 49 19 28 19 54 22 33 04 50 05 17 05 55 09 01 13 08 17 59 8.9 2.6 29 1719-2601 76 SUN APR 14 18 50 19 28 19 55 23 32 04 50 05 16 05 55 09 06 13 12 18 03 8.9 3.6 40 1820-2502 88 MON APR 15 18 50 19 29 19 55 00 24 04 49 05 15 05 54 09 10 13 16 18 06 8.9 4.5 50 1920-2248 >90 TUE APR 16 18 50 19 29 19 56 01 11 04 48 05 14 05 53 09 15 13 20 18 09 8.9 5.3 59 2014-1921 >90 WED APR 17 18 51 19 29 19 56 01 51 04 47 05 14 05 52 09 19 13 24 18 12 8.9 5.9 66 2104-1508 >90 THU APR 18 18 51 19 30 19 56 02 28 04 46 05 13 05 51 09 23 13 28 18 15 8.8 6.5 73 2151-1024 >90 FRI APR 19 18 51 19 30 19 57 03 03 14 45 04 45 05 12 05 51 09 28 13 32 18 18 8.8 7.1 80 2235-0523 >90 SAT APR 20 18 52 19 30 19 57 03 36 15 33 04 44 05 11 05 50 09 32 13 36 18 20 8.8 7.6 87 2318-0017 >90 SUN APR 21 18 52 19 31 19 58 04 08 16 22 04 43 05 10 05 49 09 37 13 40 18 23 8.7 8.2 93 2401 0446 >90 MON APR 22 18 52 19 31 19 58 04 41 17 10 04 42 05 09 05 49 09 41 13 44 18 26 8.7 8.7 99 0044 0935 >90 TUE APR 23 18 53 19 32 19 59 05 16 17 59 04 42 05 09 05 48 09 46 13 48 18 30 8.7 8.7 100 0128 1402 >90 WED APR 24 18 53 19 32 19 59 05 54 18 50 04 41 05 08 05 47 09 50 13 51 18 33 8.7 8.7 100 0214 1756 >90 THU APR 25 18 53 19 32 20 00 06 35 19 41 04 40 05 07 05 46 09 55 13 55 18 36 8.7 8.7 100 0302 2107 >90 FRI APR 26 18 54 19 33 20 00 20 34 04 39 05 06 05 46 09 59 13 59 18 39 8.7 8.1 93 0352 2326 >90 SAT APR 27 18 54 19 33 20 01 21 27 04 38 05 06 05 45 10 04 14 03 18 42 8.6 7.2 83 0444 2442 >90 SUN APR 28 18 54 19 34 20 01 22 19 04 37 05 05 05 44 10 08 14 07 18 45 8.6 6.3 73 0537 2448 >90 MON APR 29 18 55 19 34 20 02 23 09 04 37 05 04 05 44 10 13 14 11 18 49 8.6 5.5 63 0631 2341 >90 TUE APR 30 18 55 19 35 20 02 23 56 04 36 05 03 05 43 10 16 14 15 18 52 8.6 4.7 54 0724 2122 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Apr 03 15:13 UT AND FOLLOWING MORNING. FULL MOON Apr 10 10:34 UT All dates and times are zone HST LAST QUARTER Apr 17 03:30 UT in upper table (except sid time). NEW MOON Apr 25 04:40 UT