KECK OBSERVATORY CALENDAR FOR 2047 -NAUTICAL (computed for altitude 4160.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) Zenith 2047 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 12 12 h h % h m d m deg MON APR 01 18 46 19 24 19 50 00 24 05 02 05 28 06 06 07 44 12 21 17 50 10.1 5.1 50 0551 2455 88 TUE APR 02 18 46 19 24 19 50 01 13 05 01 05 27 06 05 07 48 12 25 17 53 10.1 4.2 42 0645 2335 78 WED APR 03 18 47 19 24 19 51 02 00 05 00 05 26 06 04 07 52 12 29 17 56 10.0 3.4 34 0739 2053 67 THU APR 04 18 47 19 25 19 51 02 44 04 59 05 25 06 03 07 57 12 33 17 59 10.0 2.7 26 0833 1658 57 FRI APR 05 18 47 19 25 19 51 14 01 03 26 04 58 05 24 06 02 08 01 12 37 18 01 10.0 2.0 19 0927 1159 46 SAT APR 06 18 47 19 25 19 52 15 01 04 07 04 57 05 23 06 01 08 05 12 41 18 04 10.0 1.3 12 1020 0609 37 SUN APR 07 18 48 19 26 19 52 16 02 04 48 04 56 05 22 06 00 08 10 12 44 18 07 9.9 0.6 5 1114-0014 30 MON APR 08 18 48 19 26 19 52 17 04 05 31 04 55 05 21 06 00 08 14 12 48 18 10 9.9 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 18 12 52 18 13 9.9 0.0 0 1307-1300 33 WED APR 10 18 48 19 27 19 53 19 13 04 53 05 20 05 58 08 23 12 56 18 17 9.9 0.0 0 1407-1828 42 THU APR 11 18 49 19 27 19 53 20 21 04 52 05 19 05 57 08 26 13 00 18 20 9.9 0.9 9 1510-2240 53 FRI APR 12 18 49 19 27 19 54 21 28 04 51 05 18 05 56 08 30 13 04 18 23 9.8 2.0 20 1614-2516 65 SAT APR 13 18 49 19 28 19 54 22 33 04 50 05 17 05 55 08 35 13 08 18 26 9.8 3.1 31 1719-2601 76 SUN APR 14 18 50 19 28 19 55 23 32 04 50 05 16 05 55 08 39 13 12 18 29 9.8 4.1 41 1820-2502 88 MON APR 15 18 50 19 29 19 55 00 24 04 49 05 15 05 54 08 44 13 16 18 32 9.8 4.9 50 1920-2248 >90 TUE APR 16 18 50 19 29 19 56 01 11 04 48 05 14 05 53 08 48 13 20 18 35 9.7 5.7 58 2014-1921 >90 WED APR 17 18 51 19 29 19 56 01 51 04 47 05 14 05 52 08 52 13 24 18 39 9.7 6.4 65 2104-1508 >90 THU APR 18 18 51 19 30 19 56 02 28 04 46 05 13 05 51 08 57 13 28 18 42 9.7 7.0 71 2151-1024 >90 FRI APR 19 18 51 19 30 19 57 03 03 14 45 04 45 05 12 05 51 09 01 13 32 18 45 9.7 7.5 77 2235-0523 >90 SAT APR 20 18 52 19 30 19 57 03 36 15 33 04 44 05 11 05 50 09 05 13 36 18 48 9.7 8.1 83 2318-0017 >90 SUN APR 21 18 52 19 31 19 58 04 08 16 22 04 43 05 10 05 49 09 10 13 40 18 51 9.7 8.6 89 2401 0446 >90 MON APR 22 18 52 19 31 19 58 04 41 17 10 04 42 05 09 05 49 09 14 13 44 18 53 9.6 9.2 95 0044 0935 >90 TUE APR 23 18 53 19 32 19 59 05 16 17 59 04 42 05 09 05 48 09 19 13 48 18 57 9.6 9.6 100 0128 1402 >90 WED APR 24 18 53 19 32 19 59 05 54 18 50 04 41 05 08 05 47 09 23 13 51 19 00 9.6 9.6 100 0214 1756 >90 THU APR 25 18 53 19 32 20 00 06 35 19 41 04 40 05 07 05 46 09 27 13 55 19 03 9.6 9.4 98 0302 2107 >90 FRI APR 26 18 54 19 33 20 00 20 34 04 39 05 06 05 46 09 32 13 59 19 06 9.6 8.5 89 0352 2326 >90 SAT APR 27 18 54 19 33 20 01 21 27 04 38 05 06 05 45 09 36 14 03 19 10 9.6 7.6 80 0444 2442 >90 SUN APR 28 18 54 19 34 20 01 22 19 04 37 05 05 05 44 09 41 14 07 19 13 9.5 6.8 71 0537 2448 >90 MON APR 29 18 55 19 34 20 02 23 09 04 37 05 04 05 44 09 44 14 11 19 16 9.5 5.9 62 0631 2341 >90 TUE APR 30 18 55 19 35 20 02 23 56 04 36 05 03 05 43 09 49 14 15 19 19 9.5 5.1 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