KECK OBSERVATORY CALENDAR FOR 2006 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SUN JAN 01 18 05 18 45 19 12 20 12 05 39 06 06 06 46 01 37 06 26 12 06 10.4 9.4 90 2113-2017 MON JAN 02 18 05 18 46 19 13 21 18 05 39 06 06 06 46 01 42 06 30 12 10 10.4 8.4 80 2211-1436 TUE JAN 03 18 06 18 47 19 14 22 20 05 39 06 06 06 47 01 47 06 34 12 14 10.4 7.3 70 2304-0810 WED JAN 04 18 07 18 47 19 14 23 19 05 40 06 07 06 47 01 51 06 38 12 18 10.4 6.3 60 2355-0127 THU JAN 05 18 07 18 48 19 15 00 16 05 40 06 07 06 47 01 56 06 41 12 22 10.4 5.4 51 0044+0511 FRI JAN 06 18 08 18 48 19 15 01 13 05 40 06 07 06 47 02 00 06 45 12 26 10.4 4.4 42 0134+1127 SAT JAN 07 18 09 18 49 19 16 02 11 05 41 06 07 06 48 02 05 06 49 12 31 10.4 3.5 33 0224+1704 SUN JAN 08 18 09 18 49 19 16 03 09 05 41 06 08 06 48 02 09 06 53 12 35 10.4 2.5 24 0316+2146 MON JAN 09 18 10 18 50 19 17 04 08 05 41 06 08 06 48 02 13 06 57 12 39 10.4 1.6 14 0410+2520 TUE JAN 10 18 11 18 51 19 18 05 07 05 41 06 08 06 48 02 18 07 01 12 43 10.4 0.6 5 0506+2735 WED JAN 11 18 11 18 51 19 18 06 03 05 42 06 08 06 48 02 22 07 05 12 48 10.4 0.0 0 0602+2824 THU JAN 12 18 12 18 52 19 19 16 34 06 54 05 42 06 09 06 49 02 27 07 09 12 52 10.4 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 31 07 13 12 56 10.4 0.0 0 0752+2547 SAT JAN 14 18 13 18 53 19 20 18 25 05 42 06 09 06 49 02 36 07 17 13 00 10.4 0.0 0 0843+2239 SUN JAN 15 18 14 18 54 19 20 19 18 05 42 06 09 06 49 02 40 07 21 13 04 10.4 0.0 0 0931+1835 MON JAN 16 18 14 18 54 19 21 20 10 05 42 06 09 06 49 02 45 07 25 13 08 10.3 0.8 7 1016+1351 TUE JAN 17 18 15 18 55 19 22 20 59 05 42 06 09 06 49 02 50 07 29 13 12 10.3 1.6 15 1059+0837 WED JAN 18 18 16 18 55 19 22 21 47 05 43 06 09 06 49 02 54 07 33 13 17 10.3 2.4 23 1142+0305 THU JAN 19 18 16 18 56 19 23 22 35 05 43 06 09 06 49 02 59 07 37 13 21 10.3 3.2 30 1223-0235 FRI JAN 20 18 17 18 57 19 23 23 23 05 43 06 09 06 49 03 03 07 41 13 25 10.3 4.0 38 1306-0814 SAT JAN 21 18 18 18 57 19 24 00 14 05 43 06 09 06 49 03 08 07 45 13 29 10.3 4.8 46 1351-1341 SUN JAN 22 18 18 18 58 19 24 01 07 05 43 06 09 06 49 03 12 07 49 13 32 10.3 5.7 55 1439-1844 MON JAN 23 18 19 18 58 19 25 02 05 05 43 06 09 06 49 03 17 07 52 13 36 10.3 6.7 64 1532-2306 TUE JAN 24 18 19 18 59 19 25 03 07 05 43 06 09 06 48 03 21 07 56 13 40 10.3 7.7 74 1629-2624 WED JAN 25 18 20 18 59 19 26 04 11 05 43 06 09 06 48 03 26 08 00 13 44 10.3 8.8 85 1731-2814 THU JAN 26 18 21 19 00 19 26 05 15 05 43 06 09 06 48 03 30 08 04 13 48 10.3 9.8 95 1836-2815 FRI JAN 27 18 21 19 00 19 27 06 15 16 38 05 42 06 09 06 48 03 34 08 08 13 51 10.2 10.2 100 1942-2615 SAT JAN 28 18 22 19 01 19 27 07 10 17 48 05 42 06 09 06 48 03 38 08 12 13 55 10.2 10.2 100 2046-2223 SUN JAN 29 18 22 19 02 19 28 07 58 18 57 05 42 06 08 06 48 03 43 08 16 13 59 10.2 10.2 100 2147-1659 MON JAN 30 18 23 19 02 19 28 20 03 05 42 06 08 06 47 03 47 08 20 14 03 10.2 9.7 94 2243-1034 TUE JAN 31 18 24 19 03 19 29 21 06 05 42 06 08 06 47 03 52 08 24 14 07 10.2 8.6 84 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