KECK OBSERVATORY CALENDAR FOR 2037 -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 2037 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 OCT 01 18 21 18 58 19 24 23 32 05 00 05 25 06 03 19 47 00 24 05 25 9.6 4.1 43 0643 2116 87 FRI OCT 02 18 20 18 57 19 23 00 28 05 00 05 26 06 03 19 50 00 28 05 29 9.6 5.1 52 0741 2052 >90 SAT OCT 03 18 19 18 57 19 22 01 28 14 23 05 00 05 26 06 03 19 53 00 32 05 33 9.6 6.1 63 0840 1907 >90 SUN OCT 04 18 18 18 56 19 21 02 31 15 15 05 00 05 26 06 04 19 56 00 36 05 37 9.6 7.2 74 0938 1608 >90 MON OCT 05 18 17 18 55 19 20 03 35 16 06 05 01 05 26 06 04 19 59 00 40 05 42 9.7 8.2 85 1035 1204 >90 TUE OCT 06 18 16 18 54 19 19 04 39 16 54 05 01 05 26 06 04 20 02 00 44 05 45 9.7 9.3 96 1132 0710 >90 WED OCT 07 18 16 18 53 19 19 05 42 17 41 05 01 05 27 06 04 20 06 00 48 05 49 9.7 9.7 100 1228 0146 >90 THU OCT 08 18 15 18 52 19 18 06 45 18 26 05 01 05 27 06 05 20 09 00 52 05 53 9.7 9.7 100 1324-0346 >90 FRI OCT 09 18 14 18 52 19 17 19 13 05 02 05 27 06 05 20 12 00 55 05 58 9.8 9.8 100 1420-0903 >90 SAT OCT 10 18 13 18 51 19 16 20 00 05 02 05 27 06 05 20 15 00 59 06 02 9.8 9.0 92 1516-1344 >90 SUN OCT 11 18 12 18 50 19 15 20 50 05 02 05 28 06 05 20 18 01 03 06 06 9.8 8.2 83 1613-1731 >90 MON OCT 12 18 12 18 49 19 15 21 41 05 02 05 28 06 06 20 22 01 07 06 10 9.8 7.4 75 1710-2013 >90 TUE OCT 13 18 11 18 48 19 14 22 34 05 03 05 28 06 06 20 24 01 11 06 15 9.8 6.5 66 1807-2144 >90 WED OCT 14 18 10 18 48 19 13 23 27 05 03 05 29 06 06 20 27 01 15 06 19 9.8 5.6 56 1903-2202 >90 THU OCT 15 18 09 18 47 19 12 00 21 05 03 05 29 06 07 20 30 01 19 06 23 9.8 4.7 47 1959-2105 89 FRI OCT 16 18 08 18 46 19 12 01 13 05 04 05 29 06 07 20 34 01 23 06 28 9.9 3.8 39 2049-1922 78 SAT OCT 17 18 08 18 46 19 11 14 12 02 05 05 04 05 29 06 07 20 37 01 27 06 32 9.9 3.0 30 2139-1646 67 SUN OCT 18 18 07 18 45 19 10 14 53 02 55 05 04 05 30 06 08 20 40 01 31 06 36 9.9 2.1 21 2227-1326 56 MON OCT 19 18 06 18 44 19 10 15 31 03 44 05 04 05 30 06 08 20 44 01 35 06 40 9.9 1.3 13 2313-0934 46 TUE OCT 20 18 06 18 43 19 09 16 06 04 32 05 05 05 30 06 08 20 47 01 39 06 45 9.9 0.6 5 2358-0521 35 WED OCT 21 18 05 18 43 19 08 16 41 05 20 05 05 05 31 06 09 20 50 01 43 06 49 10.0 0.0 0 0043-0055 25 THU OCT 22 18 04 18 42 19 08 17 16 06 08 05 05 05 31 06 09 20 54 01 47 06 53 10.0 0.0 0 0128 0334 17 FRI OCT 23 18 04 18 42 19 07 17 51 06 58 05 06 05 31 06 09 20 57 01 51 06 58 10.0 0.0 0 0213 0758 13 SAT OCT 24 18 03 18 41 19 07 18 28 05 06 05 32 06 10 21 01 01 55 07 01 10.0 0.0 0 0300 1204 18 SUN OCT 25 18 02 18 40 19 06 19 07 05 06 05 32 06 10 21 04 01 59 07 05 10.0 0.0 0 0350 1541 27 MON OCT 26 18 02 18 40 19 06 19 50 05 07 05 32 06 10 21 08 02 03 07 10 10.0 0.7 7 0441 1838 37 TUE OCT 27 18 01 18 39 19 05 20 36 05 07 05 33 06 11 21 11 02 06 07 14 10.0 1.5 15 0534 2041 49 WED OCT 28 18 00 18 39 19 05 21 27 05 07 05 33 06 11 21 15 02 10 07 18 10.0 2.4 23 0630 2142 60 THU OCT 29 18 00 18 38 19 04 22 21 05 08 05 33 06 12 21 18 02 14 07 23 10.1 3.3 32 0726 2131 72 FRI OCT 30 17 59 18 38 19 04 23 19 05 08 05 34 06 12 21 21 02 18 07 27 10.1 4.2 42 0823 2005 84 SAT OCT 31 17 59 18 37 19 03 00 18 05 08 05 34 06 13 21 24 02 22 07 31 10.1 5.3 52 0921 1733 >90 ONE LINE REFERS TO EVENING DATE LAST QUARTER Oct 02 10:30 UT AND FOLLOWING MORNING. NEW MOON Oct 09 02:35 UT All dates and times are zone HST FIRST QUARTER Oct 16 00:14 UT in upper table (except sid time). FULL MOON Oct 24 04:38 UT LAST QUARTER Oct 31 21:07 UT