KECK OBSERVATORY CALENDAR FOR 2047 -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 2047 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 SUN SEP 01 18 48 19 26 19 53 16 47 04 50 04 52 05 18 05 56 18 16 22 24 03 17 9.0 0.0 0 2112-1348 38 MON SEP 02 18 47 19 25 19 52 17 26 05 43 04 52 05 18 05 57 18 19 22 28 03 21 9.0 0.0 0 2201-0842 29 TUE SEP 03 18 46 19 24 19 51 18 02 06 35 04 52 05 19 05 57 18 22 22 32 03 25 9.0 0.0 0 2249-0320 24 WED SEP 04 18 45 19 23 19 50 18 37 04 53 05 19 05 57 18 25 22 36 03 30 9.0 0.0 0 2335 0204 23 THU SEP 05 18 44 19 22 19 49 19 11 04 53 05 19 05 57 18 28 22 40 03 34 9.1 0.0 0 0020 0717 27 FRI SEP 06 18 43 19 21 19 48 19 46 04 53 05 19 05 57 18 31 22 44 03 38 9.1 0.0 0 0106 1206 35 SAT SEP 07 18 43 19 21 19 47 20 22 04 54 05 20 05 58 18 34 22 48 03 42 9.1 0.6 6 0153 1621 44 SUN SEP 08 18 42 19 20 19 46 21 00 04 54 05 20 05 58 18 37 22 52 03 46 9.1 1.2 13 0241 1953 54 MON SEP 09 18 41 19 19 19 45 21 42 04 54 05 20 05 58 18 40 22 56 03 50 9.2 2.0 21 0331 2233 64 TUE SEP 10 18 40 19 18 19 44 22 27 04 54 05 20 05 58 18 43 23 00 03 54 9.2 2.7 29 0422 2413 74 WED SEP 11 18 39 19 17 19 43 23 16 04 55 05 21 05 59 18 46 23 03 03 59 9.2 3.5 38 0515 2444 84 THU SEP 12 18 38 19 16 19 42 00 09 04 55 05 21 05 59 18 49 23 07 04 03 9.2 4.4 48 0609 2409 >90 FRI SEP 13 18 37 19 15 19 41 01 04 14 14 04 55 05 21 05 59 18 52 23 11 04 07 9.2 5.4 58 0702 2219 >90 SAT SEP 14 18 36 19 14 19 40 02 01 15 00 04 56 05 21 05 59 18 55 23 15 04 12 9.3 6.4 68 0755 1919 >90 SUN SEP 15 18 35 19 13 19 39 02 59 15 44 04 56 05 22 05 59 18 57 23 19 04 16 9.3 7.3 78 0847 1516 >90 MON SEP 16 18 34 19 12 19 38 03 58 16 26 04 56 05 22 06 00 19 00 23 23 04 20 9.3 8.3 89 0939 1020 >90 TUE SEP 17 18 33 19 11 19 37 04 57 17 07 04 56 05 22 06 00 19 03 23 27 04 24 9.3 9.3 100 1030 0445 >90 WED SEP 18 18 32 19 10 19 36 05 57 17 48 04 57 05 22 06 00 19 06 23 31 04 29 9.3 9.3 100 1122-0114 >90 THU SEP 19 18 32 19 09 19 35 06 58 18 29 04 57 05 23 06 00 19 09 23 35 04 33 9.4 9.4 100 1214-0716 >90 FRI SEP 20 18 31 19 08 19 34 19 13 04 57 05 23 06 00 19 12 23 39 04 37 9.4 9.4 100 1309-1259 >90 SAT SEP 21 18 30 19 07 19 33 20 00 04 57 05 23 06 01 19 15 23 43 04 41 9.4 8.9 95 1406-1758 >90 SUN SEP 22 18 29 19 06 19 32 20 52 04 58 05 23 06 01 19 18 23 47 04 46 9.4 8.1 85 1506-2151 >90 MON SEP 23 18 28 19 05 19 31 21 48 04 58 05 23 06 01 19 21 23 51 04 50 9.5 7.2 75 1608-2419 >90 TUE SEP 24 18 27 19 05 19 30 22 48 04 58 05 24 06 01 19 24 23 55 04 54 9.5 6.2 65 1710-2512 >90 WED SEP 25 18 26 19 04 19 29 23 49 04 58 05 24 06 01 19 27 23 59 04 57 9.5 5.1 54 1812-2428 >90 THU SEP 26 18 25 19 03 19 28 00 50 04 59 05 24 06 02 19 30 00 03 05 02 9.5 4.2 43 1911-2216 83 FRI SEP 27 18 24 19 02 19 27 14 02 01 48 04 59 05 24 06 02 19 33 00 07 05 06 9.5 3.2 33 2006-1900 71 SAT SEP 28 18 23 19 01 19 26 14 46 02 45 04 59 05 25 06 02 19 36 00 10 05 10 9.6 2.2 23 2058-1446 59 SUN SEP 29 18 23 19 00 19 26 15 26 03 38 04 59 05 25 06 02 19 40 00 14 05 14 9.6 1.4 14 2147-0955 47 MON SEP 30 18 22 18 59 19 25 16 02 04 30 05 00 05 25 06 03 19 43 00 18 05 19 9.6 0.5 5 2234-0444 35 ONE LINE REFERS TO EVENING DATE FULL MOON Sep 04 08:52 UT AND FOLLOWING MORNING. LAST QUARTER Sep 12 11:18 UT All dates and times are zone HST NEW MOON Sep 19 18:30 UT in upper table (except sid time). FIRST QUARTER Sep 26 09:28 UT