KECK OBSERVATORY CALENDAR FOR 2043 -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 2043 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 TUE SEP 01 18 48 19 26 19 53 05 12 17 56 04 52 05 18 05 56 18 16 22 24 03 17 9.0 9.0 100 0957 1506 >90 WED SEP 02 18 47 19 25 19 52 06 07 18 34 04 52 05 18 05 57 18 19 22 28 03 21 9.0 9.0 100 1045 0923 >90 THU SEP 03 18 46 19 24 19 51 19 08 04 52 05 19 05 57 18 22 22 32 03 25 9.0 9.0 100 1131 0323 >90 FRI SEP 04 18 45 19 23 19 50 19 41 04 53 05 19 05 57 18 25 22 36 03 30 9.0 9.0 100 1216-0239 >90 SAT SEP 05 18 44 19 22 19 49 20 14 04 53 05 19 05 57 18 28 22 40 03 33 9.1 8.6 95 1259-0829 >90 SUN SEP 06 18 43 19 21 19 48 20 47 04 53 05 19 05 57 18 31 22 44 03 37 9.1 8.1 89 1343-1355 >90 MON SEP 07 18 43 19 21 19 47 21 22 04 54 05 20 05 58 18 34 22 48 03 42 9.1 7.5 82 1429-1847 >90 TUE SEP 08 18 42 19 20 19 46 22 00 04 54 05 20 05 58 18 37 22 51 03 46 9.1 6.9 75 1516-2254 >90 WED SEP 09 18 41 19 19 19 45 22 42 04 54 05 20 05 58 18 40 22 55 03 50 9.2 6.2 67 1606-2606 >90 THU SEP 10 18 40 19 18 19 44 23 28 04 54 05 20 05 58 18 43 22 59 03 54 9.2 5.4 59 1658-2813 >90 FRI SEP 11 18 39 19 17 19 43 00 19 04 55 05 21 05 59 18 46 23 03 03 59 9.2 4.6 50 1754-2853 89 SAT SEP 12 18 38 19 16 19 42 01 13 04 55 05 21 05 59 18 49 23 07 04 03 9.2 3.7 40 1848-2831 79 SUN SEP 13 18 37 19 15 19 41 14 47 02 10 04 55 05 21 05 59 18 51 23 11 04 07 9.2 2.7 29 1943-2639 69 MON SEP 14 18 36 19 14 19 40 15 34 03 08 04 56 05 21 05 59 18 54 23 15 04 12 9.3 1.8 19 2038-2320 58 TUE SEP 15 18 35 19 13 19 39 16 17 04 05 04 56 05 22 05 59 18 57 23 19 04 16 9.3 0.8 9 2131-1845 47 WED SEP 16 18 34 19 12 19 38 16 58 05 03 04 56 05 22 06 00 19 00 23 23 04 20 9.3 0.0 0 2222-1308 36 THU SEP 17 18 33 19 11 19 37 17 36 06 00 04 56 05 22 06 00 19 03 23 27 04 24 9.3 0.0 0 2313-0644 27 FRI SEP 18 18 32 19 10 19 36 18 13 06 58 04 57 05 22 06 00 19 06 23 31 04 29 9.3 0.0 0 0004 0007 21 SAT SEP 19 18 32 19 09 19 35 18 51 04 57 05 23 06 00 19 09 23 35 04 33 9.4 0.0 0 0055 0704 23 SUN SEP 20 18 31 19 08 19 34 19 30 04 57 05 23 06 00 19 12 23 39 04 37 9.4 0.0 0 0149 1342 32 MON SEP 21 18 30 19 07 19 33 20 13 04 57 05 23 06 01 19 15 23 43 04 41 9.4 0.7 7 0245 1933 43 TUE SEP 22 18 29 19 06 19 32 21 01 04 58 05 23 06 01 19 18 23 47 04 46 9.4 1.5 15 0345 2412 55 WED SEP 23 18 28 19 05 19 31 21 55 04 58 05 23 06 01 19 21 23 51 04 49 9.5 2.4 25 0448 2714 68 THU SEP 24 18 27 19 05 19 30 22 54 04 58 05 24 06 01 19 24 23 55 04 53 9.5 3.4 35 0552 2823 80 FRI SEP 25 18 26 19 04 19 29 23 58 04 58 05 24 06 01 19 27 23 59 04 57 9.5 4.5 47 0650 2705 >90 SAT SEP 26 18 25 19 03 19 28 01 02 14 21 04 59 05 24 06 02 19 30 00 02 05 02 9.5 5.6 58 0756 2517 >90 SUN SEP 27 18 24 19 02 19 27 02 05 15 11 04 59 05 24 06 02 19 33 00 06 05 06 9.5 6.6 69 0853 2128 >90 MON SEP 28 18 23 19 01 19 26 03 04 15 54 04 59 05 25 06 02 19 36 00 10 05 10 9.6 7.6 79 0945 1638 >90 TUE SEP 29 18 23 19 00 19 26 03 59 16 33 04 59 05 25 06 02 19 40 00 14 05 14 9.6 8.6 89 1033 1107 >90 WED SEP 30 18 22 18 59 19 25 04 52 17 08 05 00 05 25 06 03 19 42 00 18 05 19 9.6 9.5 98 1119 0514 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Sep 03 13:16 UT AND FOLLOWING MORNING. FIRST QUARTER Sep 11 13:02 UT All dates and times are zone HST FULL MOON Sep 19 01:46 UT in upper table (except sid time). LAST QUARTER Sep 25 18:42 UT