KECK OBSERVATORY CALENDAR FOR 2022 -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 2022 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 SAT OCT 01 18 21 18 58 19 24 23 09 05 00 05 25 06 03 19 46 00 23 05 23 9.6 5.9 60 1802-2732 >90 SUN OCT 02 18 20 18 57 19 23 00 12 05 00 05 26 06 03 19 49 00 26 05 27 9.6 4.8 49 1909-2709 >90 MON OCT 03 18 19 18 57 19 22 01 17 05 00 05 26 06 03 19 52 00 30 05 31 9.6 3.7 38 2009-2532 78 TUE OCT 04 18 18 18 56 19 21 14 42 02 21 05 00 05 26 06 04 19 55 00 34 05 35 9.6 2.7 27 2110-2206 65 WED OCT 05 18 17 18 55 19 20 15 30 03 24 05 01 05 26 06 04 19 58 00 38 05 40 9.7 1.6 16 2207-1718 53 THU OCT 06 18 16 18 54 19 19 16 14 04 24 05 01 05 26 06 04 20 00 00 42 05 44 9.7 0.6 6 2301-1133 40 FRI OCT 07 18 16 18 53 19 19 16 53 05 21 05 01 05 27 06 04 20 04 00 46 05 48 9.7 0.0 0 2353-0517 28 SAT OCT 08 18 15 18 52 19 18 17 31 06 18 05 01 05 27 06 05 20 07 00 50 05 52 9.7 0.0 0 0042 0109 19 SUN OCT 09 18 14 18 52 19 17 18 07 05 02 05 27 06 05 20 10 00 54 05 57 9.8 0.0 0 0132 0725 15 MON OCT 10 18 13 18 51 19 16 18 44 05 02 05 27 06 05 20 13 00 58 06 01 9.8 0.0 0 0221 1311 21 TUE OCT 11 18 12 18 50 19 15 19 22 05 02 05 28 06 05 20 16 01 02 06 05 9.8 0.1 1 0311 1813 31 WED OCT 12 18 12 18 49 19 15 20 03 05 02 05 28 06 06 20 20 01 06 06 09 9.8 0.8 8 0403 2217 41 THU OCT 13 18 11 18 48 19 14 20 47 05 03 05 28 06 06 20 23 01 10 06 14 9.8 1.5 15 0456 2513 52 FRI OCT 14 18 10 18 48 19 13 21 34 05 03 05 29 06 06 20 26 01 14 06 18 9.8 2.4 23 0550 2652 63 SAT OCT 15 18 09 18 47 19 12 22 24 05 03 05 29 06 07 20 29 01 18 06 22 9.8 3.2 32 0644 2713 74 SUN OCT 16 18 08 18 46 19 12 23 17 05 04 05 29 06 07 20 33 01 22 06 26 9.9 4.1 41 0736 2616 85 MON OCT 17 18 08 18 46 19 11 00 10 05 04 05 29 06 07 20 36 01 26 06 30 9.9 5.0 50 0828 2412 >90 TUE OCT 18 18 07 18 45 19 10 01 04 14 12 05 04 05 30 06 08 20 39 01 30 06 34 9.9 5.9 59 0918 2102 >90 WED OCT 19 18 06 18 44 19 10 01 57 14 51 05 04 05 30 06 08 20 43 01 33 06 38 9.9 6.8 68 1006 1657 >90 THU OCT 20 18 06 18 43 19 09 02 50 15 28 05 05 05 30 06 08 20 46 01 37 06 43 9.9 7.7 77 1052 1207 >90 FRI OCT 21 18 05 18 43 19 08 03 42 16 03 05 05 05 31 06 09 20 49 01 41 06 47 10.0 8.6 86 1138 0641 >90 SAT OCT 22 18 04 18 42 19 08 04 36 16 38 05 05 05 31 06 09 20 53 01 45 06 51 10.0 9.5 95 1224 0051 >90 SUN OCT 23 18 04 18 42 19 07 05 30 17 13 05 06 05 31 06 09 20 55 01 49 06 56 10.0 10.0 100 1310-0510 >90 MON OCT 24 18 03 18 41 19 07 06 27 17 49 05 06 05 32 06 10 20 59 01 53 07 00 10.0 10.0 100 1359-1107 >90 TUE OCT 25 18 02 18 40 19 06 18 29 05 06 05 32 06 10 21 02 01 57 07 04 10.0 10.0 100 1451-1640 >90 WED OCT 26 18 02 18 40 19 06 19 14 05 07 05 32 06 10 21 06 02 01 07 09 10.0 9.9 98 1546-2127 >90 THU OCT 27 18 01 18 39 19 05 20 05 05 07 05 33 06 11 21 09 02 05 07 13 10.0 9.0 90 1645-2505 >90 FRI OCT 28 18 00 18 39 19 05 21 02 05 07 05 33 06 11 21 13 02 09 07 17 10.0 8.1 80 1748-2711 >90 SAT OCT 29 18 00 18 38 19 04 22 05 05 08 05 33 06 12 21 16 02 13 07 22 10.1 7.0 70 1852-2731 >90 SUN OCT 30 17 59 18 38 19 04 23 10 05 08 05 34 06 12 21 20 02 17 07 26 10.1 6.0 59 1955-2603 >90 MON OCT 31 17 59 18 37 19 03 00 14 05 08 05 34 06 13 21 23 02 21 07 30 10.1 4.9 48 2058-2244 90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Oct 03 00:14 UT AND FOLLOWING MORNING. FULL MOON Oct 09 20:55 UT All dates and times are zone HST LAST QUARTER Oct 17 17:16 UT in upper table (except sid time). NEW MOON Oct 25 10:47 UT