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 TUE OCT 01 18 21 18 58 19 24 16 37 05 20 05 00 05 25 06 03 19 46 00 22 05 23 9.6 0.0 0 2320 0034 25 WED OCT 02 18 20 18 57 19 23 17 11 06 10 05 00 05 26 06 03 19 48 00 26 05 27 9.6 0.0 0 0005 0547 15 THU OCT 03 18 19 18 57 19 22 17 46 05 00 05 26 06 03 19 51 00 30 05 31 9.6 0.0 0 0051 1042 10 FRI OCT 04 18 18 18 56 19 21 18 21 05 00 05 26 06 04 19 54 00 34 05 35 9.6 0.0 0 0138 1507 16 SAT OCT 05 18 17 18 55 19 20 18 59 05 01 05 26 06 04 19 57 00 38 05 40 9.7 0.0 0 0226 1853 25 SUN OCT 06 18 16 18 54 19 19 19 39 05 01 05 26 06 04 20 00 00 42 05 44 9.7 0.3 3 0315 2148 36 MON OCT 07 18 16 18 53 19 19 20 23 05 01 05 27 06 04 20 04 00 46 05 48 9.7 1.1 10 0406 2346 46 TUE OCT 08 18 15 18 52 19 18 21 10 05 01 05 27 06 05 20 07 00 50 05 52 9.7 1.9 19 0459 2439 57 WED OCT 09 18 14 18 52 19 17 22 01 05 02 05 27 06 05 20 10 00 54 05 57 9.8 2.7 28 0552 2422 68 THU OCT 10 18 13 18 51 19 16 22 54 05 02 05 27 06 05 20 13 00 58 06 01 9.8 3.6 37 0644 2255 80 FRI OCT 11 18 12 18 50 19 15 23 49 05 02 05 28 06 05 20 16 01 02 06 05 9.8 4.6 46 0733 2005 >90 SAT OCT 12 18 12 18 49 19 15 00 45 05 02 05 28 06 06 20 20 01 06 06 08 9.8 5.5 56 0828 1647 >90 SUN OCT 13 18 11 18 48 19 14 01 42 14 18 05 03 05 28 06 06 20 23 01 10 06 13 9.8 6.5 65 0919 1218 >90 MON OCT 14 18 10 18 48 19 13 02 39 14 59 05 03 05 29 06 06 20 26 01 14 06 17 9.8 7.4 75 1009 0704 >90 TUE OCT 15 18 09 18 47 19 12 03 37 15 38 05 03 05 29 06 07 20 29 01 17 06 21 9.8 8.4 85 1100 0119 >90 WED OCT 16 18 08 18 46 19 12 04 38 16 19 05 04 05 29 06 07 20 33 01 21 06 26 9.9 9.4 95 1152-0440 >90 THU OCT 17 18 08 18 46 19 11 05 40 17 02 05 04 05 29 06 07 20 36 01 25 06 30 9.9 9.9 100 1247-1032 >90 FRI OCT 18 18 07 18 45 19 10 06 46 17 48 05 04 05 30 06 08 20 39 01 29 06 34 9.9 9.9 100 1344-1553 >90 SAT OCT 19 18 06 18 44 19 10 18 39 05 04 05 30 06 08 20 42 01 33 06 38 9.9 9.9 100 1444-2016 >90 SUN OCT 20 18 06 18 43 19 09 19 35 05 05 05 30 06 08 20 45 01 37 06 43 9.9 9.5 95 1547-2319 >90 MON OCT 21 18 05 18 43 19 08 20 36 05 05 05 31 06 09 20 48 01 41 06 47 10.0 8.5 85 1651-2444 >90 TUE OCT 22 18 04 18 42 19 08 21 39 05 05 05 31 06 09 20 52 01 45 06 51 10.0 7.4 74 1754-2427 >90 WED OCT 23 18 04 18 42 19 07 22 42 05 06 05 31 06 09 20 55 01 49 06 56 10.0 6.4 64 1855-2236 >90 THU OCT 24 18 03 18 41 19 07 23 43 05 06 05 32 06 10 20 59 01 53 07 00 10.0 5.4 53 1952-1929 >90 FRI OCT 25 18 02 18 40 19 06 00 40 05 06 05 32 06 10 21 02 01 57 07 04 10.0 4.4 44 2045-1523 84 SAT OCT 26 18 02 18 40 19 06 01 35 05 07 05 32 06 10 21 06 02 01 07 09 10.0 3.5 35 2135-1048 72 SUN OCT 27 18 01 18 39 19 05 14 03 02 27 05 07 05 33 06 11 21 09 02 05 07 13 10.0 2.7 26 2222-0545 60 MON OCT 28 18 00 18 39 19 05 14 39 03 17 05 07 05 33 06 11 21 13 02 09 07 17 10.0 1.8 18 2307-0034 49 TUE OCT 29 18 00 18 38 19 04 15 13 04 06 05 08 05 33 06 12 21 16 02 13 07 22 10.1 1.0 10 2352 0435 37 WED OCT 30 17 59 18 38 19 04 15 47 04 56 05 08 05 34 06 12 21 20 02 17 07 25 10.1 0.2 1 0038 0931 26 THU OCT 31 17 59 18 37 19 03 16 22 05 46 05 08 05 34 06 13 21 23 02 21 07 29 10.1 0.0 0 0124 1401 15 ONE LINE REFERS TO EVENING DATE FULL MOON Oct 03 23:40 UT AND FOLLOWING MORNING. LAST QUARTER Oct 12 04:23 UT All dates and times are zone HST NEW MOON Oct 19 03:29 UT in upper table (except sid time). FIRST QUARTER Oct 25 19:11 UT