KECK OBSERVATORY CALENDAR FOR 2013 -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 2013 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 TUE JAN 01 18 05 18 45 19 12 21 47 05 39 06 06 06 46 01 11 06 27 12 34 11.3 3.0 26 1037 0322 63 WED JAN 02 18 06 18 46 19 13 22 40 05 39 06 06 06 46 01 16 06 31 12 38 11.3 3.9 34 1125-0113 75 THU JAN 03 18 06 18 47 19 14 23 34 05 39 06 06 06 47 01 21 06 35 12 42 11.3 4.8 42 1214-0548 87 FRI JAN 04 18 07 18 47 19 14 00 30 05 40 06 07 06 47 01 25 06 39 12 47 11.3 5.7 50 1307-1020 >90 SAT JAN 05 18 07 18 48 19 15 01 29 05 40 06 07 06 47 01 30 06 43 12 51 11.3 6.7 59 1401-1420 >90 SUN JAN 06 18 08 18 48 19 15 02 30 05 40 06 07 06 48 01 34 06 47 12 55 11.3 7.7 68 1458-1737 >90 MON JAN 07 18 09 18 49 19 16 03 34 14 23 05 41 06 07 06 48 01 39 06 51 12 59 11.3 8.7 77 1558-1952 >90 TUE JAN 08 18 09 18 50 19 16 04 37 15 21 05 41 06 08 06 48 01 44 06 54 13 03 11.3 9.8 86 1701-2051 >90 WED JAN 09 18 10 18 50 19 17 05 39 16 24 05 41 06 08 06 48 01 48 06 58 13 07 11.3 10.8 95 1804-2025 >90 THU JAN 10 18 11 18 51 19 18 06 36 17 29 05 41 06 08 06 48 01 53 07 02 13 11 11.3 11.3 100 1906-1835 >90 FRI JAN 11 18 11 18 51 19 18 18 33 05 42 06 08 06 48 01 56 07 06 13 15 11.3 11.3 100 2006-1533 >90 SAT JAN 12 18 12 18 52 19 19 19 36 05 42 06 09 06 49 02 01 07 10 13 20 11.3 10.5 93 2103-1138 >90 SUN JAN 13 18 12 18 53 19 19 20 36 05 42 06 09 06 49 02 06 07 14 13 24 11.3 9.5 84 2157-0709 >90 MON JAN 14 18 13 18 53 19 20 21 34 05 42 06 09 06 49 02 10 07 18 13 28 11.3 8.6 76 2248-0225 >90 TUE JAN 15 18 14 18 54 19 20 22 29 05 42 06 09 06 49 02 15 07 22 13 32 11.3 7.7 68 2338 0216 >90 WED JAN 16 18 14 18 54 19 21 23 22 05 42 06 09 06 49 02 19 07 26 13 36 11.3 6.8 60 0026 0642 >90 THU JAN 17 18 15 18 55 19 22 00 14 05 42 06 09 06 49 02 24 07 30 13 40 11.2 5.9 52 0116 1032 90 FRI JAN 18 18 16 18 55 19 22 01 05 05 43 06 09 06 49 02 28 07 34 13 44 11.2 5.1 45 0202 1413 79 SAT JAN 19 18 16 18 56 19 23 01 56 05 43 06 09 06 49 02 33 07 38 13 48 11.2 4.2 37 0251 1705 68 SUN JAN 20 18 17 18 57 19 23 02 46 05 43 06 09 06 49 02 38 07 42 13 52 11.2 3.4 30 0340 1911 57 MON JAN 21 18 18 18 57 19 24 03 36 05 43 06 09 06 49 02 42 07 46 13 56 11.2 2.6 22 0431 2026 46 TUE JAN 22 18 18 18 58 19 24 14 33 04 24 05 43 06 09 06 49 02 47 07 50 14 00 11.2 1.8 15 0522 2045 35 WED JAN 23 18 19 18 58 19 25 15 23 05 11 05 43 06 09 06 49 02 51 07 54 14 04 11.2 1.0 8 0613 2008 24 THU JAN 24 18 19 18 59 19 25 16 13 05 56 05 43 06 09 06 49 02 56 07 58 14 08 11.2 0.2 1 0705 1833 13 FRI JAN 25 18 20 18 59 19 26 17 05 06 39 05 43 06 09 06 48 03 00 08 02 14 12 11.2 0.0 0 0755 1606 04 SAT JAN 26 18 21 19 00 19 26 17 58 05 43 06 09 06 48 03 05 08 05 14 15 11.2 0.0 0 0846 1252 12 SUN JAN 27 18 21 19 01 19 27 18 50 05 42 06 09 06 48 03 10 08 09 14 19 11.1 0.0 0 0935 0859 23 MON JAN 28 18 22 19 01 19 27 19 43 05 42 06 09 06 48 03 14 08 13 14 23 11.1 0.7 6 1025 0438 35 TUE JAN 29 18 22 19 02 19 28 20 36 05 42 06 08 06 48 03 18 08 17 14 26 11.1 1.6 14 1114 0001 48 WED JAN 30 18 23 19 02 19 28 21 30 05 42 06 08 06 47 03 22 08 21 14 30 11.1 2.5 22 1204-0440 60 THU JAN 31 18 24 19 03 19 29 22 26 05 42 06 08 06 47 03 27 08 25 14 34 11.1 3.4 30 1255-0912 72 ONE LINE REFERS TO EVENING DATE LAST QUARTER Jan 05 03:58 UT AND FOLLOWING MORNING. NEW MOON Jan 11 19:42 UT All dates and times are zone HST FIRST QUARTER Jan 18 23:44 UT in upper table (except sid time). FULL MOON Jan 27 04:39 UT