KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SAT JAN 01 18 05 18 45 19 12 23 09 05 39 06 06 06 46 01 11 06 27 12 34 11.3 4.4 38 1155+0318 SUN JAN 02 18 05 18 46 19 13 00 00 05 39 06 06 06 46 01 16 06 31 12 38 11.3 5.2 46 1240-0237 MON JAN 03 18 06 18 47 19 14 00 53 05 39 06 06 06 47 01 21 06 35 12 42 11.3 6.1 53 1327-0836 TUE JAN 04 18 07 18 47 19 14 01 50 05 40 06 07 06 47 01 25 06 39 12 47 11.3 7.1 62 1416-1425 WED JAN 05 18 07 18 48 19 15 02 50 05 40 06 07 06 47 01 30 06 42 12 50 11.3 8.0 70 1510-1943 THU JAN 06 18 08 18 48 19 15 03 56 05 40 06 07 06 47 01 34 06 46 12 54 11.3 9.1 80 1609-2404 FRI JAN 07 18 09 18 49 19 16 05 04 05 41 06 07 06 48 01 38 06 50 12 58 11.3 10.2 90 1714-2657 SAT JAN 08 18 09 18 49 19 16 06 13 16 29 05 41 06 08 06 48 01 42 06 54 13 03 11.3 11.3 100 1822-2756 SUN JAN 09 18 10 18 50 19 17 07 18 17 38 05 41 06 08 06 48 01 47 06 58 13 07 11.3 11.3 100 1931-2647 MON JAN 10 18 11 18 51 19 18 18 49 05 41 06 08 06 48 01 52 07 02 13 11 11.3 11.3 100 2037-2339 TUE JAN 11 18 11 18 51 19 18 19 58 05 42 06 08 06 48 01 56 07 06 13 15 11.3 10.2 90 2138-1856 WED JAN 12 18 12 18 52 19 19 21 03 05 42 06 09 06 49 02 01 07 10 13 20 11.3 9.1 80 2235-1309 THU JAN 13 18 12 18 52 19 19 22 04 05 42 06 09 06 49 02 05 07 14 13 24 11.3 8.1 71 2327-0650 FRI JAN 14 18 13 18 53 19 20 23 01 05 42 06 09 06 49 02 10 07 18 13 28 11.3 7.1 63 0016-0023 SAT JAN 15 18 14 18 54 19 20 23 56 05 42 06 09 06 49 02 15 07 22 13 32 11.3 6.2 55 0104+0550 SUN JAN 16 18 14 18 54 19 21 00 50 05 42 06 09 06 49 02 19 07 26 13 36 11.3 5.3 47 0151+1139 MON JAN 17 18 15 18 55 19 22 01 43 05 42 06 09 06 49 02 24 07 30 13 40 11.2 4.4 39 0238+1649 TUE JAN 18 18 16 18 55 19 22 02 37 05 43 06 09 06 49 02 28 07 34 13 44 11.2 3.5 31 0327+2111 WED JAN 19 18 16 18 56 19 23 03 32 05 43 06 09 06 49 02 33 07 38 13 48 11.2 2.6 23 0417+2434 THU JAN 20 18 17 18 57 19 23 04 27 05 43 06 09 06 49 02 38 07 42 13 52 11.2 1.7 15 0509+2651 FRI JAN 21 18 18 18 57 19 24 05 20 05 43 06 09 06 49 02 42 07 46 13 56 11.2 0.8 7 0602+2754 SAT JAN 22 18 18 18 58 19 24 06 10 05 43 06 09 06 49 02 47 07 49 13 59 11.2 0.0 0 0656+2739 SUN JAN 23 18 19 18 58 19 25 16 44 06 56 05 43 06 09 06 49 02 51 07 53 14 03 11.2 0.0 0 0748+2609 MON JAN 24 18 19 18 59 19 25 17 38 07 39 05 43 06 09 06 48 02 56 07 57 14 07 11.2 0.0 0 0839+2327 TUE JAN 25 18 20 18 59 19 26 18 32 05 43 06 09 06 48 02 59 08 01 14 11 11.2 0.0 0 0928+1945 WED JAN 26 18 21 19 00 19 26 19 24 05 43 06 09 06 48 03 04 08 05 14 15 11.2 0.4 3 1015+1514 THU JAN 27 18 21 19 00 19 27 20 15 05 42 06 09 06 48 03 08 08 09 14 19 11.2 1.2 11 1100+1004 FRI JAN 28 18 22 19 01 19 27 21 06 05 42 06 09 06 48 03 13 08 13 14 23 11.1 2.1 18 1144+0428 SAT JAN 29 18 22 19 02 19 28 21 56 05 42 06 08 06 48 03 18 08 17 14 26 11.1 2.9 26 1228-0122 SUN JAN 30 18 23 19 02 19 28 22 47 05 42 06 08 06 47 03 22 08 21 14 30 11.1 3.8 33 1314-0716 MON JAN 31 18 24 19 03 19 29 23 41 05 42 06 08 06 47 03 27 08 25 14 34 11.1 4.6 41 1401-1301 ONE LINE REFERS TO EVENING DATE LAST QUARTER JAN 03 17:50 UT AND FOLLOWING MORNING. NEW MOON JAN 10 12:04 UT All dates and times are zone HST FIRST QUARTER JAN 17 06:59 UT in upper table (except sid time). FULL MOON JAN 25 10:36 UT