KECK OBSERVATORY CALENDAR FOR 2019 -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 2019 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 SUN SEP 01 18 48 19 26 19 53 21 03 04 52 05 18 05 56 17 48 22 23 03 42 9.9 8.3 83 1325-0401 >90 MON SEP 02 18 47 19 25 19 52 21 47 04 52 05 18 05 57 17 51 22 27 03 46 9.9 7.5 76 1419-0918 >90 TUE SEP 03 18 46 19 24 19 51 22 31 04 52 05 19 05 57 17 54 22 31 03 51 9.9 6.8 68 1513-1358 >90 WED SEP 04 18 45 19 23 19 50 23 17 04 53 05 19 05 57 17 57 22 35 03 55 9.9 6.0 60 1606-1749 >90 THU SEP 05 18 44 19 22 19 49 00 05 04 53 05 19 05 57 18 00 22 39 03 59 9.9 5.2 52 1706-2011 >90 FRI SEP 06 18 43 19 21 19 48 00 54 04 53 05 19 05 57 18 03 22 43 04 03 10.0 4.4 44 1755-2222 82 SAT SEP 07 18 43 19 21 19 47 14 09 01 45 04 54 05 20 05 58 18 07 22 47 04 08 10.0 3.6 35 1849-2303 72 SUN SEP 08 18 42 19 20 19 46 15 00 02 36 04 54 05 20 05 58 18 10 22 51 04 12 10.0 2.7 27 1942-2233 63 MON SEP 09 18 41 19 19 19 45 15 47 03 28 04 54 05 20 05 58 18 13 22 55 04 16 10.0 1.9 18 2034-2100 53 TUE SEP 10 18 40 19 18 19 44 16 31 04 19 04 54 05 20 05 58 18 16 22 59 04 20 10.0 1.0 10 2125-1832 45 WED SEP 11 18 39 19 17 19 43 17 12 05 09 04 55 05 21 05 59 18 19 23 03 04 24 10.1 0.2 1 2213-1519 37 THU SEP 12 18 38 19 16 19 42 17 50 05 59 04 55 05 21 05 59 18 22 23 07 04 28 10.1 0.0 0 2300-1129 31 FRI SEP 13 18 37 19 15 19 41 18 26 06 47 04 55 05 21 05 59 18 25 23 10 04 32 10.1 0.0 0 2345-0713 28 SAT SEP 14 18 36 19 14 19 40 19 01 04 56 05 21 05 59 18 28 23 14 04 36 10.1 0.0 0 0030-0240 29 SUN SEP 15 18 35 19 13 19 39 19 35 04 56 05 22 05 59 18 31 23 18 04 41 10.1 0.4 3 0114 0159 34 MON SEP 16 18 34 19 12 19 38 20 10 04 56 05 22 06 00 18 34 23 22 04 45 10.2 1.0 9 0200 0635 40 TUE SEP 17 18 33 19 11 19 37 20 46 04 56 05 22 06 00 18 36 23 26 04 49 10.2 1.6 15 0246 1056 49 WED SEP 18 18 32 19 10 19 36 21 25 04 57 05 22 06 00 18 39 23 30 04 53 10.2 2.2 22 0335 1452 58 THU SEP 19 18 32 19 09 19 35 22 07 04 57 05 23 06 00 18 42 23 34 04 58 10.2 3.0 28 0426 1810 68 FRI SEP 20 18 31 19 08 19 34 22 53 04 57 05 23 06 00 18 45 23 38 05 02 10.2 3.8 36 0519 2037 79 SAT SEP 21 18 30 19 07 19 33 23 45 04 57 05 23 06 01 18 48 23 42 05 06 10.3 4.6 45 0614 2149 90 SUN SEP 22 18 29 19 06 19 32 00 42 04 58 05 23 06 01 18 51 23 46 05 10 10.3 5.6 54 0715 2211 >90 MON SEP 23 18 28 19 05 19 31 01 43 14 43 04 58 05 23 06 01 18 54 23 50 05 14 10.3 6.6 64 0815 2056 >90 TUE SEP 24 18 27 19 05 19 30 02 47 15 38 04 58 05 24 06 01 18 58 23 54 05 19 10.3 7.7 74 0915 1819 >90 WED SEP 25 18 26 19 04 19 29 03 52 16 30 04 58 05 24 06 01 19 01 23 58 05 23 10.3 8.8 85 1014 1427 >90 THU SEP 26 18 25 19 03 19 28 04 57 17 20 04 59 05 24 06 02 19 04 00 02 05 27 10.4 9.9 95 1111 0935 >90 FRI SEP 27 18 24 19 02 19 27 06 01 18 06 04 59 05 24 06 02 19 07 00 06 05 31 10.4 10.4 100 1208 0405 >90 SAT SEP 28 18 23 19 01 19 26 18 52 04 59 05 25 06 02 19 10 00 10 05 35 10.4 10.4 100 1303-0139 >90 SUN SEP 29 18 23 19 00 19 26 19 36 04 59 05 25 06 02 19 13 00 14 05 39 10.4 9.8 94 1357-0714 >90 MON SEP 30 18 22 18 59 19 25 20 22 05 00 05 25 06 03 19 16 00 17 05 43 10.4 9.0 86 1452-1220 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Sep 06 03:09 UT AND FOLLOWING MORNING. FULL MOON Sep 14 04:33 UT All dates and times are zone HST LAST QUARTER Sep 22 02:42 UT in upper table (except sid time). NEW MOON Sep 28 18:27 UT