KECK OBSERVATORY CALENDAR FOR 2019 -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 2019 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 OCT 01 18 21 18 58 19 24 21 08 05 00 05 25 06 03 19 45 00 21 05 22 9.6 7.9 81 1547-1638 >90 WED OCT 02 18 20 18 57 19 23 21 57 05 00 05 26 06 03 19 48 00 25 05 26 9.6 7.0 73 1643-1956 >90 THU OCT 03 18 19 18 57 19 22 22 47 05 00 05 26 06 03 19 51 00 29 05 30 9.6 6.2 64 1738-2206 >90 FRI OCT 04 18 18 18 56 19 21 23 39 05 00 05 26 06 04 19 53 00 33 05 34 9.6 5.4 55 1834-2304 >90 SAT OCT 05 18 17 18 55 19 20 00 31 05 01 05 26 06 04 19 56 00 37 05 39 9.7 4.5 46 1928-2246 87 SUN OCT 06 18 16 18 54 19 19 01 23 05 01 05 26 06 04 19 59 00 41 05 43 9.7 3.6 37 2020-2133 76 MON OCT 07 18 16 18 53 19 19 14 30 02 15 05 01 05 27 06 04 20 03 00 45 05 47 9.7 2.8 28 2111-1921 66 TUE OCT 08 18 15 18 52 19 18 15 11 03 05 05 01 05 27 06 05 20 06 00 49 05 51 9.7 1.9 19 2159-1618 55 WED OCT 09 18 14 18 52 19 17 15 50 03 55 05 02 05 27 06 05 20 09 00 53 05 56 9.8 1.1 11 2246-1236 45 THU OCT 10 18 13 18 51 19 16 16 27 04 43 05 02 05 27 06 05 20 12 00 57 06 00 9.8 0.3 3 2332-0824 35 FRI OCT 11 18 12 18 50 19 15 17 02 05 32 05 02 05 28 06 05 20 15 01 01 06 04 9.8 0.0 0 0017-0352 26 SAT OCT 12 18 12 18 49 19 15 17 36 06 20 05 02 05 28 06 06 20 19 01 05 06 08 9.8 0.0 0 0101 0050 19 SUN OCT 13 18 11 18 48 19 14 18 11 05 03 05 28 06 06 20 22 01 09 06 13 9.8 0.0 0 0147 0533 17 MON OCT 14 18 10 18 48 19 13 18 47 05 03 05 29 06 06 20 25 01 13 06 17 9.8 0.0 0 0233 1006 22 TUE OCT 15 18 09 18 47 19 12 19 24 05 03 05 29 06 07 20 28 01 17 06 20 9.8 0.2 2 0322 1416 30 WED OCT 16 18 08 18 46 19 12 20 05 05 04 05 29 06 07 20 32 01 21 06 25 9.9 0.9 8 0413 1749 41 THU OCT 17 18 08 18 46 19 11 20 50 05 04 05 29 06 07 20 35 01 25 06 29 9.9 1.7 16 0506 2033 52 FRI OCT 18 18 07 18 45 19 10 21 40 05 04 05 30 06 08 20 38 01 28 06 33 9.9 2.5 25 0602 2214 63 SAT OCT 19 18 06 18 44 19 10 22 34 05 04 05 30 06 08 20 42 01 32 06 37 9.9 3.4 34 0659 2241 75 SUN OCT 20 18 06 18 43 19 09 23 33 05 05 05 30 06 08 20 45 01 36 06 42 9.9 4.4 44 0757 2145 88 MON OCT 21 18 05 18 43 19 08 00 33 05 05 05 31 06 09 20 47 01 40 06 46 10.0 5.4 54 0857 1939 >90 TUE OCT 22 18 04 18 42 19 08 01 36 14 22 05 05 05 31 06 09 20 51 01 44 06 50 10.0 6.5 64 0954 1614 >90 WED OCT 23 18 04 18 42 19 07 02 39 15 10 05 06 05 31 06 09 20 54 01 48 06 55 10.0 7.5 75 1051 1146 >90 THU OCT 24 18 03 18 41 19 07 03 42 15 56 05 06 05 32 06 10 20 58 01 52 06 59 10.0 8.6 85 1146 0633 >90 FRI OCT 25 18 02 18 40 19 06 04 43 16 41 05 06 05 32 06 10 21 01 01 56 07 03 10.0 9.6 96 1240 0055 >90 SAT OCT 26 18 02 18 40 19 06 05 45 17 25 05 07 05 32 06 10 21 05 02 00 07 08 10.0 10.0 100 1335-0447 >90 SUN OCT 27 18 01 18 39 19 05 06 47 18 09 05 07 05 33 06 11 21 08 02 04 07 12 10.0 10.0 100 1429-1011 >90 MON OCT 28 18 00 18 39 19 05 18 56 05 07 05 33 06 11 21 12 02 08 07 16 10.0 10.0 100 1525-1457 >90 TUE OCT 29 18 00 18 38 19 04 19 44 05 08 05 33 06 12 21 15 02 12 07 21 10.1 9.4 93 1621-1847 >90 WED OCT 30 17 59 18 38 19 04 20 35 05 08 05 34 06 12 21 19 02 16 07 25 10.1 8.5 84 1718-2129 >90 THU OCT 31 17 59 18 37 19 03 21 27 05 08 05 34 06 13 21 22 02 20 07 29 10.1 7.7 76 1814-2256 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Oct 05 16:46 UT AND FOLLOWING MORNING. FULL MOON Oct 13 21:10 UT All dates and times are zone HST LAST QUARTER Oct 21 12:40 UT in upper table (except sid time). NEW MOON Oct 28 03:40 UT