KECK OBSERVATORY CALENDAR FOR 2042 -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 2042 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 OCT 01 18 21 18 58 19 24 19 59 05 00 05 25 06 03 19 46 00 23 05 24 9.6 0.6 6 0314 2047 40 THU OCT 02 18 20 18 57 19 23 20 49 05 00 05 26 06 03 19 49 00 27 05 28 9.6 1.4 14 0416 2503 53 FRI OCT 03 18 19 18 57 19 22 21 44 05 00 05 26 06 03 19 52 00 31 05 32 9.6 2.4 24 0518 2734 65 SAT OCT 04 18 18 18 56 19 21 22 42 05 00 05 26 06 04 19 55 00 35 05 36 9.6 3.4 34 0621 2815 78 SUN OCT 05 18 17 18 55 19 20 23 43 05 01 05 26 06 04 19 58 00 39 05 41 9.7 4.4 45 0719 2703 90 MON OCT 06 18 16 18 54 19 19 00 42 14 01 05 01 05 26 06 04 20 01 00 43 05 45 9.7 5.4 55 0817 2446 >90 TUE OCT 07 18 16 18 53 19 19 01 40 14 47 05 01 05 27 06 04 20 05 00 47 05 49 9.7 6.3 65 0910 2108 >90 WED OCT 08 18 15 18 52 19 18 02 34 15 27 05 01 05 27 06 05 20 08 00 51 05 53 9.7 7.3 74 0958 1639 >90 THU OCT 09 18 14 18 52 19 17 03 26 16 03 05 02 05 27 06 05 20 11 00 55 05 57 9.8 8.2 83 1043 1136 >90 FRI OCT 10 18 13 18 51 19 16 04 15 16 35 05 02 05 27 06 05 20 14 00 59 06 01 9.8 9.0 91 1126 0611 >90 SAT OCT 11 18 12 18 50 19 15 05 03 17 06 05 02 05 28 06 05 20 17 01 03 06 05 9.8 9.8 100 1208 0037 >90 SUN OCT 12 18 12 18 49 19 15 05 50 17 37 05 02 05 28 06 06 20 21 01 06 06 09 9.8 9.8 100 1249-0456 >90 MON OCT 13 18 11 18 48 19 14 06 38 18 07 05 03 05 28 06 06 20 24 01 10 06 14 9.8 9.8 100 1330-1020 >90 TUE OCT 14 18 10 18 48 19 13 18 40 05 03 05 29 06 06 20 27 01 14 06 18 9.8 9.8 100 1414-1523 >90 WED OCT 15 18 09 18 47 19 12 19 15 05 03 05 29 06 07 20 30 01 18 06 22 9.8 9.8 99 1459-1955 >90 THU OCT 16 18 08 18 46 19 12 19 54 05 04 05 29 06 07 20 33 01 22 06 27 9.9 9.2 92 1547-2342 >90 FRI OCT 17 18 08 18 46 19 11 20 37 05 04 05 29 06 07 20 36 01 26 06 31 9.9 8.4 85 1638-2633 >90 SAT OCT 18 18 07 18 45 19 10 21 26 05 04 05 30 06 08 20 39 01 30 06 35 9.9 7.6 77 1732-2815 >90 SUN OCT 19 18 06 18 44 19 10 22 19 05 04 05 30 06 08 20 43 01 34 06 39 9.9 6.7 68 1828-2836 >90 MON OCT 20 18 06 18 43 19 09 23 17 05 05 05 30 06 08 20 46 01 38 06 44 9.9 5.8 58 1925-2729 >90 TUE OCT 21 18 05 18 43 19 08 00 16 05 05 05 31 06 09 20 49 01 42 06 48 10.0 4.8 48 2024-2441 90 WED OCT 22 18 04 18 42 19 08 01 17 05 05 05 31 06 09 20 53 01 46 06 52 10.0 3.8 38 2117-2049 77 THU OCT 23 18 04 18 42 19 07 14 21 02 17 05 06 05 31 06 09 20 56 01 50 06 57 10.0 2.8 28 2211-1535 64 FRI OCT 24 18 03 18 41 19 07 15 02 03 18 05 06 05 32 06 10 21 00 01 54 07 01 10.0 1.8 18 2305-0917 51 SAT OCT 25 18 02 18 40 19 06 15 41 04 18 05 06 05 32 06 10 21 03 01 58 07 05 10.0 0.8 7 2358-0218 37 SUN OCT 26 18 02 18 40 19 06 16 21 05 21 05 07 05 32 06 10 21 07 02 02 07 10 10.0 0.0 0 0051 0458 23 MON OCT 27 18 01 18 39 19 05 17 02 06 26 05 07 05 33 06 11 21 10 02 06 07 13 10.0 0.0 0 0147 1203 09 TUE OCT 28 18 00 18 39 19 05 17 46 05 07 05 33 06 11 21 14 02 10 07 17 10.0 0.0 0 0246 1824 09 WED OCT 29 18 00 18 38 19 04 18 35 05 08 05 33 06 12 21 17 02 14 07 22 10.1 0.0 0 0348 2330 22 THU OCT 30 17 59 18 38 19 04 19 29 05 08 05 34 06 12 21 21 02 17 07 26 10.1 0.4 4 0452 2654 36 FRI OCT 31 17 59 18 37 19 03 20 28 05 08 05 34 06 13 21 24 02 21 07 30 10.1 1.4 14 0558 2822 50 ONE LINE REFERS TO EVENING DATE LAST QUARTER Oct 06 02:34 UT AND FOLLOWING MORNING. NEW MOON Oct 14 02:03 UT All dates and times are zone HST FIRST QUARTER Oct 22 02:53 UT in upper table (except sid time). FULL MOON Oct 28 19:50 UT