KECK OBSERVATORY CALENDAR FOR 2006 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN JAN 01 18 05 18 45 19 12 20 12 05 39 06 06 06 46 01 10 06 26 12 33 11.3 9.9 87 2113-2017 MON JAN 02 18 05 18 46 19 13 21 18 05 39 06 06 06 46 01 15 06 30 12 37 11.3 8.8 77 2211-1436 TUE JAN 03 18 06 18 47 19 14 22 20 05 39 06 06 06 47 01 20 06 34 12 41 11.3 7.8 68 2304-0810 WED JAN 04 18 07 18 47 19 14 23 19 05 40 06 07 06 47 01 24 06 38 12 46 11.3 6.8 59 2355-0127 THU JAN 05 18 07 18 48 19 15 00 16 05 40 06 07 06 47 01 29 06 41 12 50 11.3 5.9 51 0044+0511 FRI JAN 06 18 08 18 48 19 15 01 13 05 40 06 07 06 47 01 33 06 45 12 53 11.3 4.9 43 0134+1127 SAT JAN 07 18 09 18 49 19 16 02 11 05 41 06 07 06 48 01 38 06 49 12 57 11.3 3.9 34 0224+1704 SUN JAN 08 18 09 18 49 19 16 03 09 05 41 06 08 06 48 01 41 06 53 13 02 11.3 3.0 26 0316+2146 MON JAN 09 18 10 18 50 19 17 04 08 05 41 06 08 06 48 01 46 06 57 13 06 11.3 2.0 17 0410+2520 TUE JAN 10 18 11 18 51 19 18 05 07 05 41 06 08 06 48 01 51 07 01 13 10 11.3 1.0 9 0506+2735 WED JAN 11 18 11 18 51 19 18 06 03 05 42 06 08 06 48 01 55 07 05 13 14 11.3 0.1 0 0602+2824 THU JAN 12 18 12 18 52 19 19 16 34 06 54 05 42 06 09 06 49 02 00 07 09 13 19 11.3 0.0 0 0658+2745 FRI JAN 13 18 12 18 52 19 19 17 30 07 41 05 42 06 09 06 49 02 04 07 13 13 23 11.3 0.0 0 0752+2547 SAT JAN 14 18 13 18 53 19 20 18 25 05 42 06 09 06 49 02 09 07 17 13 27 11.3 0.0 0 0843+2239 SUN JAN 15 18 14 18 54 19 20 19 18 05 42 06 09 06 49 02 14 07 21 13 31 11.3 0.4 3 0931+1835 MON JAN 16 18 14 18 54 19 21 20 10 05 42 06 09 06 49 02 18 07 25 13 35 11.3 1.3 11 1016+1351 TUE JAN 17 18 15 18 55 19 22 20 59 05 42 06 09 06 49 02 23 07 29 13 39 11.2 2.1 18 1059+0837 WED JAN 18 18 16 18 55 19 22 21 47 05 43 06 09 06 49 02 27 07 33 13 43 11.2 2.9 25 1142+0305 THU JAN 19 18 16 18 56 19 23 22 35 05 43 06 09 06 49 02 32 07 37 13 47 11.2 3.7 32 1223-0235 FRI JAN 20 18 17 18 57 19 23 23 23 05 43 06 09 06 49 02 37 07 41 13 51 11.2 4.4 39 1306-0814 SAT JAN 21 18 18 18 57 19 24 00 14 05 43 06 09 06 49 02 41 07 45 13 55 11.2 5.3 47 1351-1341 SUN JAN 22 18 18 18 58 19 24 01 07 05 43 06 09 06 49 02 46 07 49 13 59 11.2 6.1 54 1439-1844 MON JAN 23 18 19 18 58 19 25 02 05 05 43 06 09 06 49 02 50 07 52 14 02 11.2 7.1 63 1532-2306 TUE JAN 24 18 19 18 59 19 25 03 07 05 43 06 09 06 48 02 55 07 56 14 06 11.2 8.1 72 1629-2624 WED JAN 25 18 20 18 59 19 26 04 11 05 43 06 09 06 48 02 59 08 00 14 10 11.2 9.2 82 1731-2814 THU JAN 26 18 21 19 00 19 26 05 15 05 43 06 09 06 48 03 03 08 04 14 14 11.2 10.2 91 1836-2815 FRI JAN 27 18 21 19 00 19 27 06 15 16 38 05 42 06 09 06 48 03 07 08 08 14 18 11.2 11.2 100 1942-2615 SAT JAN 28 18 22 19 01 19 27 07 10 17 48 05 42 06 09 06 48 03 12 08 12 14 22 11.1 11.1 100 2046-2223 SUN JAN 29 18 22 19 02 19 28 07 58 18 57 05 42 06 08 06 48 03 17 08 16 14 25 11.1 11.1 100 2147-1659 MON JAN 30 18 23 19 02 19 28 20 03 05 42 06 08 06 47 03 21 08 20 14 29 11.1 10.1 90 2243-1034 TUE JAN 31 18 24 19 03 19 29 21 06 05 42 06 08 06 47 03 26 08 24 14 33 11.1 9.0 81 2337-0338 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JAN 06 18:59 UT AND FOLLOWING MORNING. FULL MOON JAN 14 09:50 UT All dates and times are zone HST LAST QUARTER JAN 22 15:18 UT in upper table (except sid time). NEW MOON JAN 29 14:16 UT