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 MON AUG 01 19 10 19 50 20 19 22 05 04 38 05 06 05 47 16 40 20 22 01 01 8.3 6.5 78 1214 0143 >90 TUE AUG 02 19 09 19 50 20 18 22 39 04 39 05 07 05 47 16 43 20 26 01 06 8.4 6.0 71 1300-0404 >90 WED AUG 03 19 09 19 49 20 17 23 15 04 39 05 07 05 48 16 46 20 30 01 10 8.4 5.4 64 1347-0950 >90 THU AUG 04 19 08 19 48 20 17 23 54 04 40 05 08 05 48 16 50 20 34 01 15 8.4 4.8 56 1437-1522 >90 FRI AUG 05 19 07 19 48 20 16 00 38 04 40 05 08 05 48 16 53 20 38 01 19 8.4 4.0 48 1531-2015 85 SAT AUG 06 19 07 19 47 20 15 01 28 04 41 05 09 05 49 16 56 20 42 01 23 8.4 3.2 38 1630-2417 76 SUN AUG 07 19 06 19 46 20 14 14 57 02 26 04 41 05 09 05 49 16 59 20 46 01 27 8.4 2.2 26 1734-2654 66 MON AUG 08 19 06 19 46 20 14 16 04 03 30 04 42 05 09 05 50 17 03 20 50 01 32 8.5 1.2 14 1840-2740 57 TUE AUG 09 19 05 19 45 20 13 17 08 04 39 04 42 05 10 05 50 17 06 20 54 01 36 8.5 0.0 0 1948-2625 49 WED AUG 10 19 05 19 44 20 12 18 07 05 47 04 43 05 10 05 50 17 09 20 57 01 41 8.5 0.0 0 2054-2317 43 THU AUG 11 19 04 19 44 20 11 19 00 06 54 04 43 05 11 05 51 17 12 21 01 01 45 8.5 0.0 0 2155-1836 41 FRI AUG 12 19 03 19 43 20 11 19 46 04 44 05 11 05 51 17 16 21 05 01 50 8.6 0.0 0 2252-1253 42 SAT AUG 13 19 03 19 42 20 10 20 28 04 44 05 12 05 51 17 19 21 09 01 54 8.6 0.3 3 2346-0638 47 SUN AUG 14 19 02 19 41 20 09 21 06 04 44 05 12 05 51 17 22 21 13 01 58 8.6 1.0 11 0036-0016 54 MON AUG 15 19 01 19 41 20 08 21 42 04 45 05 12 05 52 17 25 21 17 02 03 8.6 1.6 18 0124 0553 62 TUE AUG 16 19 01 19 40 20 07 22 18 04 45 05 13 05 52 17 28 21 21 02 07 8.6 2.2 25 0212 1132 70 WED AUG 17 19 00 19 39 20 06 22 55 04 46 05 13 05 52 17 30 21 25 02 12 8.7 2.8 32 0300 1629 79 THU AUG 18 18 59 19 38 20 06 23 34 04 46 05 13 05 53 17 34 21 29 02 16 8.7 3.5 40 0349 2030 88 FRI AUG 19 18 58 19 37 20 05 00 15 04 47 05 14 05 53 17 37 21 33 02 21 8.7 4.2 47 0440 2343 >90 SAT AUG 20 18 58 19 37 20 04 01 01 14 22 04 47 05 14 05 53 17 40 21 37 02 25 8.7 4.9 56 0532 2543 >90 SUN AUG 21 18 57 19 36 20 03 01 50 15 15 04 48 05 15 05 54 17 43 21 41 02 30 8.8 5.8 66 0624 2632 >90 MON AUG 22 18 56 19 35 20 02 02 42 16 06 04 48 05 15 05 54 17 46 21 45 02 34 8.8 6.7 76 0716 2607 >90 TUE AUG 23 18 55 19 34 20 01 03 35 16 54 04 48 05 15 05 54 17 49 21 49 02 38 8.8 7.6 86 0808 2431 >90 WED AUG 24 18 54 19 33 20 00 04 29 17 38 04 49 05 16 05 54 17 52 21 53 02 42 8.8 8.5 96 0858 2148 >90 THU AUG 25 18 54 19 32 19 59 05 23 18 19 04 49 05 16 05 55 17 55 21 57 02 46 8.8 8.8 100 0947 1807 >90 FRI AUG 26 18 53 19 32 19 58 06 16 18 57 04 49 05 16 05 55 17 58 22 01 02 50 8.8 8.8 100 1034 1336 >90 SAT AUG 27 18 52 19 31 19 57 19 32 04 50 05 16 05 55 18 01 22 05 02 55 8.9 8.9 100 1119 0828 >90 SUN AUG 28 18 51 19 30 19 56 20 06 04 50 05 17 05 55 18 04 22 08 02 59 8.9 8.7 98 1204 0254 >90 MON AUG 29 18 50 19 29 19 55 20 40 04 51 05 17 05 56 18 07 22 12 03 04 8.9 8.2 91 1250-0254 >90 TUE AUG 30 18 50 19 28 19 54 21 15 04 51 05 17 05 56 18 10 22 16 03 08 9.0 7.6 84 1336-0843 >90 WED AUG 31 18 49 19 27 19 53 21 53 04 51 05 18 05 56 18 13 22 20 03 12 9.0 7.0 77 1425-1417 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Aug 05 11:06 UT AND FOLLOWING MORNING. FULL MOON Aug 12 01:35 UT All dates and times are zone HST LAST QUARTER Aug 19 04:36 UT in upper table (except sid time). NEW MOON Aug 27 08:17 UT