KECK OBSERVATORY CALENDAR FOR 2050 -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 2050 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 THU SEP 01 18 48 19 26 19 53 18 48 04 52 05 18 05 56 18 17 22 25 03 18 9.0 0.0 0 2336 0108 25 FRI SEP 02 18 47 19 25 19 52 19 35 04 52 05 18 05 57 18 20 22 29 03 22 9.0 0.0 0 0034 0618 33 SAT SEP 03 18 46 19 24 19 51 20 23 04 52 05 19 05 57 18 23 22 33 03 26 9.0 0.5 5 0131 1055 44 SUN SEP 04 18 45 19 23 19 50 21 11 04 53 05 19 05 57 18 26 22 37 03 31 9.0 1.3 14 0229 1443 55 MON SEP 05 18 44 19 22 19 49 22 02 04 53 05 19 05 57 18 29 22 41 03 35 9.1 2.2 24 0327 1729 67 TUE SEP 06 18 43 19 21 19 48 22 53 04 53 05 19 05 57 18 32 22 45 03 39 9.1 3.1 33 0423 1907 79 WED SEP 07 18 43 19 21 19 47 23 45 04 54 05 20 05 58 18 35 22 49 03 44 9.1 4.0 43 0517 1927 90 THU SEP 08 18 42 19 20 19 46 00 38 04 54 05 20 05 58 18 38 22 53 03 47 9.1 4.9 53 0613 1910 >90 FRI SEP 09 18 41 19 19 19 45 01 30 14 24 04 54 05 20 05 58 18 41 22 57 03 51 9.2 5.8 62 0705 1744 >90 SAT SEP 10 18 40 19 18 19 44 02 22 15 09 04 54 05 20 05 58 18 44 23 01 03 55 9.2 6.6 72 0755 1530 >90 SUN SEP 11 18 39 19 17 19 43 03 13 15 51 04 55 05 21 05 59 18 47 23 05 04 00 9.2 7.5 81 0842 1238 >90 MON SEP 12 18 38 19 16 19 42 04 02 16 30 04 55 05 21 05 59 18 50 23 08 04 04 9.2 8.3 90 0928 0916 >90 TUE SEP 13 18 37 19 15 19 41 04 51 17 08 04 55 05 21 05 59 18 53 23 12 04 08 9.2 9.2 99 1013 0534 >90 WED SEP 14 18 36 19 14 19 40 05 39 17 44 04 56 05 21 05 59 18 56 23 16 04 13 9.3 9.3 100 1057 0140 >90 THU SEP 15 18 35 19 13 19 39 06 27 18 19 04 56 05 22 05 59 18 59 23 20 04 17 9.3 9.3 100 1141-0218 >90 FRI SEP 16 18 34 19 12 19 38 18 55 04 56 05 22 06 00 19 02 23 24 04 21 9.3 9.3 100 1225-0612 >90 SAT SEP 17 18 33 19 11 19 37 19 32 04 56 05 22 06 00 19 04 23 28 04 25 9.3 9.3 100 1310-0954 >90 SUN SEP 18 18 32 19 10 19 36 20 11 04 57 05 22 06 00 19 07 23 32 04 30 9.3 8.8 93 1357-1315 >90 MON SEP 19 18 32 19 09 19 35 20 52 04 57 05 23 06 00 19 10 23 36 04 34 9.4 8.1 86 1445-1607 >90 TUE SEP 20 18 31 19 08 19 34 21 37 04 57 05 23 06 00 19 13 23 40 04 38 9.4 7.3 78 1536-1820 >90 WED SEP 21 18 30 19 07 19 33 22 25 04 57 05 23 06 01 19 16 23 44 04 42 9.4 6.5 69 1628-1943 >90 THU SEP 22 18 29 19 06 19 32 23 17 04 58 05 23 06 01 19 19 23 48 04 47 9.4 5.7 60 1723-2010 >90 FRI SEP 23 18 28 19 05 19 31 00 12 04 58 05 23 06 01 19 22 23 52 04 51 9.5 4.8 50 1822-1917 90 SAT SEP 24 18 27 19 05 19 30 01 10 04 58 05 24 06 01 19 25 23 56 04 55 9.5 3.8 40 1917-1744 78 SUN SEP 25 18 26 19 04 19 29 14 09 02 11 04 58 05 24 06 01 19 28 00 00 04 59 9.5 2.8 29 2014-1455 65 MON SEP 26 18 25 19 03 19 28 14 59 03 12 04 59 05 24 06 02 19 31 00 04 05 03 9.5 1.8 18 2112-1103 52 TUE SEP 27 18 24 19 02 19 27 15 47 04 15 04 59 05 24 06 02 19 34 00 08 05 07 9.5 0.7 7 2210-0625 39 WED SEP 28 18 23 19 01 19 26 16 34 05 18 04 59 05 25 06 02 19 37 00 12 05 11 9.6 0.0 0 2307-0117 26 THU SEP 29 18 23 19 00 19 26 17 22 06 21 04 59 05 25 06 02 19 41 00 15 05 15 9.6 0.0 0 0005 0356 16 FRI SEP 30 18 22 18 59 19 25 18 10 05 00 05 25 06 03 19 44 00 19 05 20 9.6 0.0 0 0104 0853 15 ONE LINE REFERS TO EVENING DATE FULL MOON Sep 01 09:31 UT AND FOLLOWING MORNING. LAST QUARTER Sep 08 02:49 UT All dates and times are zone HST NEW MOON Sep 16 03:49 UT in upper table (except sid time). FIRST QUARTER Sep 24 02:34 UT FULL MOON Sep 30 17:33 UT