KECK OBSERVATORY CALENDAR FOR 2040 -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 2040 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 WED AUG 01 19 09 19 50 20 18 01 24 14 31 04 39 05 07 05 47 16 42 20 25 01 04 8.4 5.1 61 0434 2207 >90 THU AUG 02 19 09 19 49 20 17 02 09 15 25 04 39 05 07 05 48 16 45 20 28 01 08 8.4 5.9 70 0525 2422 >90 FRI AUG 03 19 08 19 48 20 17 02 57 16 18 04 40 05 08 05 48 16 49 20 32 01 13 8.4 6.7 79 0617 2528 >90 SAT AUG 04 19 07 19 48 20 16 03 47 17 09 04 40 05 08 05 48 16 52 20 36 01 17 8.4 7.5 89 0709 2525 >90 SUN AUG 05 19 07 19 47 20 15 04 40 17 57 04 41 05 09 05 49 16 55 20 40 01 22 8.4 8.4 99 0801 2411 >90 MON AUG 06 19 06 19 46 20 14 05 33 18 42 04 41 05 09 05 49 16 58 20 44 01 26 8.4 8.4 100 0850 2154 >90 TUE AUG 07 19 06 19 46 20 14 06 25 19 23 04 42 05 09 05 50 17 02 20 48 01 31 8.5 8.5 100 0939 1839 >90 WED AUG 08 19 05 19 45 20 13 20 01 04 42 05 10 05 50 17 05 20 52 01 35 8.5 8.5 100 1025 1435 >90 THU AUG 09 19 05 19 44 20 12 20 36 04 43 05 10 05 50 17 07 20 56 01 40 8.5 8.1 95 1111 0954 >90 FRI AUG 10 19 04 19 44 20 11 21 10 04 43 05 11 05 51 17 10 21 00 01 44 8.5 7.6 88 1155 0445 >90 SAT AUG 11 19 03 19 43 20 11 21 44 04 44 05 11 05 51 17 14 21 04 01 49 8.6 7.0 81 1239-0041 >90 SUN AUG 12 19 03 19 42 20 10 22 18 04 44 05 12 05 51 17 17 21 08 01 53 8.6 6.4 75 1325-0613 >90 MON AUG 13 19 02 19 41 20 09 22 55 04 44 05 12 05 51 17 20 21 12 01 57 8.6 5.8 67 1412-1139 >90 TUE AUG 14 19 01 19 41 20 08 23 35 04 45 05 12 05 52 17 23 21 16 02 02 8.6 5.2 59 1502-1645 >90 WED AUG 15 19 01 19 40 20 07 00 20 04 45 05 13 05 52 17 26 21 20 02 06 8.6 4.4 51 1558-2102 89 THU AUG 16 19 00 19 39 20 06 01 11 04 46 05 13 05 52 17 29 21 24 02 10 8.7 3.6 41 1656-2433 79 FRI AUG 17 18 59 19 38 20 05 14 40 02 10 04 46 05 13 05 53 17 32 21 28 02 14 8.7 2.6 29 1759-2635 69 SAT AUG 18 18 58 19 37 20 05 15 45 03 14 04 47 05 14 05 53 17 36 21 32 02 19 8.7 1.5 17 1906-2646 58 SUN AUG 19 18 58 19 37 20 04 16 48 04 22 04 47 05 14 05 53 17 39 21 36 02 23 8.7 0.4 4 2012-2502 49 MON AUG 20 18 57 19 36 20 03 17 46 05 31 04 48 05 15 05 54 17 42 21 39 02 28 8.8 0.0 0 2117-2131 42 TUE AUG 21 18 56 19 35 20 02 18 37 06 36 04 48 05 15 05 54 17 45 21 43 02 32 8.8 0.0 0 2218-1635 37 WED AUG 22 18 55 19 34 20 01 19 23 04 48 05 15 05 54 17 48 21 47 02 36 8.8 0.0 0 2315-1042 37 THU AUG 23 18 54 19 33 20 00 20 05 04 49 05 16 05 54 17 51 21 51 02 41 8.8 0.1 0 0008-0423 41 FRI AUG 24 18 54 19 32 19 59 20 44 04 49 05 16 05 55 17 54 21 55 02 45 8.8 0.8 8 0100 0158 48 SAT AUG 25 18 53 19 32 19 58 21 22 04 49 05 16 05 55 17 56 21 59 02 49 8.8 1.4 15 0150 0759 57 SUN AUG 26 18 52 19 31 19 57 21 59 04 50 05 16 05 55 17 59 22 03 02 54 8.9 2.0 22 0239 1324 66 MON AUG 27 18 51 19 30 19 56 22 38 04 50 05 17 05 55 18 02 22 07 02 58 8.9 2.7 30 0329 1800 75 TUE AUG 28 18 50 19 29 19 55 23 20 04 51 05 17 05 56 18 05 22 11 03 03 8.9 3.4 38 0419 2137 85 WED AUG 29 18 50 19 28 19 54 00 04 04 51 05 17 05 56 18 08 22 15 03 07 9.0 4.2 46 0512 2414 >90 THU AUG 30 18 49 19 27 19 53 00 51 14 12 04 51 05 18 05 56 18 11 22 19 03 11 9.0 5.0 55 0604 2538 >90 FRI AUG 31 18 48 19 26 19 53 01 42 15 04 04 52 05 18 05 56 18 15 22 23 03 16 9.0 5.8 64 0657 2550 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Aug 08 00:28 UT AND FOLLOWING MORNING. FIRST QUARTER Aug 15 18:36 UT All dates and times are zone HST FULL MOON Aug 22 09:10 UT in upper table (except sid time). LAST QUARTER Aug 29 11:17 UT