KECK OBSERVATORY CALENDAR FOR 2040 -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 2040 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 SAT SEP 01 18 47 19 25 19 52 02 34 15 54 04 52 05 18 05 57 17 51 22 27 03 46 9.9 7.2 72 0748 2450 >90 SUN SEP 02 18 46 19 24 19 51 03 27 16 40 04 52 05 19 05 57 17 54 22 31 03 51 9.9 8.1 81 0839 2245 >90 MON SEP 03 18 45 19 23 19 50 04 20 17 22 04 53 05 19 05 57 17 57 22 35 03 55 9.9 9.0 90 0928 1939 >90 TUE SEP 04 18 44 19 22 19 49 05 12 18 01 04 53 05 19 05 57 18 00 22 39 03 58 9.9 9.8 98 1015 1543 >90 WED SEP 05 18 43 19 21 19 48 06 04 18 37 04 53 05 19 05 57 18 03 22 43 04 02 10.0 10.0 100 1101 1105 >90 THU SEP 06 18 43 19 21 19 47 06 55 19 12 04 54 05 20 05 58 18 07 22 46 04 07 10.0 10.0 100 1145 0557 >90 FRI SEP 07 18 42 19 20 19 46 19 45 04 54 05 20 05 58 18 10 22 50 04 11 10.0 9.6 95 1230 0030 >90 SAT SEP 08 18 41 19 19 19 45 20 20 04 54 05 20 05 58 18 13 22 54 04 15 10.0 9.0 89 1315-0506 >90 SUN SEP 09 18 40 19 18 19 44 20 56 04 54 05 20 05 58 18 16 22 58 04 19 10.0 8.4 83 1402-1036 >90 MON SEP 10 18 39 19 17 19 43 21 34 04 55 05 21 05 59 18 18 23 02 04 24 10.1 7.8 77 1451-1546 >90 TUE SEP 11 18 38 19 16 19 42 22 17 04 55 05 21 05 59 18 21 23 06 04 28 10.1 7.1 70 1543-2019 >90 WED SEP 12 18 37 19 15 19 41 23 05 04 55 05 21 05 59 18 24 23 10 04 32 10.1 6.3 62 1640-2355 >90 THU SEP 13 18 36 19 14 19 40 00 00 04 56 05 21 05 59 18 27 23 14 04 36 10.1 5.3 52 1746-2544 >90 FRI SEP 14 18 35 19 13 19 39 01 00 04 56 05 22 05 59 18 30 23 18 04 41 10.1 4.4 43 1844-2654 81 SAT SEP 15 18 34 19 12 19 38 14 36 02 05 04 56 05 22 06 00 18 33 23 22 04 45 10.2 3.3 32 1948-2555 69 SUN SEP 16 18 33 19 11 19 37 15 33 03 12 04 56 05 22 06 00 18 36 23 26 04 49 10.2 2.2 21 2051-2305 57 MON SEP 17 18 32 19 10 19 36 16 26 04 17 04 57 05 22 06 00 18 39 23 30 04 53 10.2 1.1 10 2152-1845 45 TUE SEP 18 18 32 19 09 19 35 17 13 05 20 04 57 05 23 06 00 18 42 23 34 04 58 10.2 0.0 0 2250-1316 35 WED SEP 19 18 31 19 08 19 34 17 56 06 21 04 57 05 23 06 00 18 45 23 38 05 02 10.2 0.0 0 2344-0705 27 THU SEP 20 18 30 19 07 19 33 18 36 04 57 05 23 06 01 18 48 23 42 05 06 10.3 0.0 0 0036-0037 24 FRI SEP 21 18 29 19 06 19 32 19 14 04 58 05 23 06 01 18 51 23 46 05 09 10.3 0.1 1 0128 0542 29 SAT SEP 22 18 28 19 05 19 31 19 53 04 58 05 23 06 01 18 54 23 50 05 13 10.3 0.8 7 0218 1134 37 SUN SEP 23 18 27 19 05 19 30 20 32 04 58 05 24 06 01 18 58 23 53 05 18 10.3 1.4 14 0309 1642 46 MON SEP 24 18 26 19 04 19 29 21 13 04 58 05 24 06 01 19 01 23 57 05 22 10.3 2.1 20 0401 2051 57 TUE SEP 25 18 25 19 03 19 28 21 57 04 59 05 24 06 02 19 04 00 01 05 26 10.4 2.9 28 0454 2354 67 WED SEP 26 18 24 19 02 19 27 22 44 04 59 05 24 06 02 19 07 00 05 05 30 10.4 3.7 35 0547 2542 78 THU SEP 27 18 23 19 01 19 26 23 34 04 59 05 25 06 02 19 09 00 09 05 35 10.4 4.6 43 0640 2611 88 FRI SEP 28 18 23 19 00 19 26 00 26 04 59 05 25 06 02 19 12 00 13 05 39 10.4 5.4 52 0734 2537 >90 SAT SEP 29 18 22 18 59 19 25 01 19 14 36 05 00 05 25 06 03 19 15 00 17 05 43 10.4 6.3 60 0825 2348 >90 SUN SEP 30 18 21 18 58 19 24 02 12 15 19 05 00 05 25 06 03 19 18 00 21 05 47 10.4 7.2 69 0915 2056 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Sep 06 15:15 UT AND FOLLOWING MORNING. FIRST QUARTER Sep 14 02:08 UT All dates and times are zone HST FULL MOON Sep 20 17:44 UT in upper table (except sid time). LAST QUARTER Sep 28 04:43 UT