KECK OBSERVATORY CALENDAR FOR 2037 -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 2037 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 THU OCT 01 18 21 18 58 19 24 23 32 05 00 05 25 06 03 19 21 00 24 05 50 10.4 4.6 43 0643 2116 87 FRI OCT 02 18 20 18 57 19 23 00 28 05 00 05 26 06 03 19 24 00 28 05 55 10.5 5.5 52 0741 2052 >90 SAT OCT 03 18 19 18 57 19 22 01 28 14 23 05 00 05 26 06 03 19 28 00 32 05 59 10.5 6.5 62 0840 1907 >90 SUN OCT 04 18 18 18 56 19 21 02 31 15 15 05 00 05 26 06 04 19 31 00 36 06 03 10.5 7.6 72 0938 1608 >90 MON OCT 05 18 17 18 55 19 20 03 35 16 06 05 01 05 26 06 04 19 34 00 40 06 07 10.5 8.7 82 1035 1204 >90 TUE OCT 06 18 16 18 54 19 19 04 39 16 54 05 01 05 26 06 04 19 37 00 44 06 11 10.5 9.8 92 1132 0710 >90 WED OCT 07 18 16 18 53 19 19 05 42 17 41 05 01 05 27 06 04 19 40 00 48 06 16 10.6 10.6 100 1228 0146 >90 THU OCT 08 18 15 18 52 19 18 06 45 18 26 05 01 05 27 06 05 19 43 00 52 06 19 10.6 10.6 100 1324-0346 >90 FRI OCT 09 18 14 18 52 19 17 19 13 05 02 05 27 06 05 19 47 00 55 06 23 10.6 10.2 96 1420-0903 >90 SAT OCT 10 18 13 18 51 19 16 20 00 05 02 05 27 06 05 19 50 00 59 06 27 10.6 9.4 89 1516-1344 >90 SUN OCT 11 18 12 18 50 19 15 20 50 05 02 05 28 06 05 19 53 01 03 06 32 10.6 8.6 81 1613-1731 >90 MON OCT 12 18 12 18 49 19 15 21 41 05 02 05 28 06 06 19 55 01 07 06 36 10.6 7.8 73 1710-2013 >90 TUE OCT 13 18 11 18 48 19 14 22 34 05 03 05 28 06 06 19 58 01 11 06 40 10.7 6.9 64 1807-2144 >90 WED OCT 14 18 10 18 48 19 13 23 27 05 03 05 29 06 06 20 02 01 15 06 45 10.7 6.0 56 1903-2202 >90 THU OCT 15 18 09 18 47 19 12 00 21 05 03 05 29 06 07 20 05 01 19 06 49 10.7 5.1 47 1959-2105 89 FRI OCT 16 18 08 18 46 19 12 01 13 05 04 05 29 06 07 20 08 01 23 06 53 10.7 4.3 39 2049-1922 78 SAT OCT 17 18 08 18 46 19 11 14 12 02 05 05 04 05 29 06 07 20 12 01 27 06 57 10.7 3.4 31 2139-1646 67 SUN OCT 18 18 07 18 45 19 10 14 53 02 55 05 04 05 30 06 08 20 15 01 31 07 02 10.8 2.6 24 2227-1326 56 MON OCT 19 18 06 18 44 19 10 15 31 03 44 05 04 05 30 06 08 20 18 01 35 07 06 10.8 1.8 16 2313-0934 46 TUE OCT 20 18 06 18 43 19 09 16 06 04 32 05 05 05 30 06 08 20 21 01 39 07 10 10.8 1.0 8 2358-0521 35 WED OCT 21 18 05 18 43 19 08 16 41 05 20 05 05 05 31 06 09 20 25 01 43 07 15 10.8 0.2 1 0043-0055 25 THU OCT 22 18 04 18 42 19 08 17 16 06 08 05 05 05 31 06 09 20 28 01 47 07 19 10.8 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 32 01 51 07 23 10.8 0.0 0 0213 0758 13 SAT OCT 24 18 03 18 41 19 07 18 28 05 06 05 32 06 10 20 35 01 55 07 28 10.9 0.0 0 0300 1204 18 SUN OCT 25 18 02 18 40 19 06 19 07 05 06 05 32 06 10 20 38 01 59 07 31 10.9 0.5 4 0350 1541 27 MON OCT 26 18 02 18 40 19 06 19 50 05 07 05 32 06 10 20 42 02 03 07 35 10.9 1.2 10 0441 1838 37 TUE OCT 27 18 01 18 39 19 05 20 36 05 07 05 33 06 11 20 45 02 06 07 40 10.9 2.0 17 0534 2041 49 WED OCT 28 18 00 18 39 19 05 21 27 05 07 05 33 06 11 20 49 02 10 07 44 10.9 2.8 25 0630 2142 60 THU OCT 29 18 00 18 38 19 04 22 21 05 08 05 33 06 12 20 51 02 14 07 48 10.9 3.7 34 0726 2131 72 FRI OCT 30 17 59 18 38 19 04 23 19 05 08 05 34 06 12 20 55 02 18 07 53 10.9 4.7 42 0823 2005 84 SAT OCT 31 17 59 18 37 19 03 00 18 05 08 05 34 06 13 20 58 02 22 07 57 10.9 5.7 51 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