KECK OBSERVATORY CALENDAR FOR 2010 -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 2010 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 FRI JAN 01 18 05 18 45 19 12 19 11 05 39 06 06 06 46 01 10 06 26 12 33 11.3 0.4 3 0828 1752 29 SAT JAN 02 18 06 18 46 19 13 20 17 05 39 06 06 06 46 01 15 06 30 12 37 11.3 1.5 13 0927 1223 43 SUN JAN 03 18 06 18 47 19 14 21 20 05 39 06 06 06 47 01 20 06 34 12 41 11.3 2.6 22 1022 0616 57 MON JAN 04 18 07 18 47 19 14 22 20 05 40 06 07 06 47 01 24 06 38 12 46 11.3 3.6 31 1115-0002 71 TUE JAN 05 18 07 18 48 19 15 23 18 05 40 06 07 06 47 01 29 06 42 12 50 11.3 4.5 39 1206-0604 84 WED JAN 06 18 08 18 48 19 15 00 15 05 40 06 07 06 48 01 33 06 46 12 54 11.3 5.5 48 1257-1144 >90 THU JAN 07 18 09 18 49 19 16 01 11 05 41 06 07 06 48 01 38 06 49 12 57 11.3 6.4 56 1348-1637 >90 FRI JAN 08 18 09 18 50 19 16 02 08 05 41 06 08 06 48 01 43 06 53 13 02 11.3 7.3 64 1439-2035 >90 SAT JAN 09 18 10 18 50 19 17 03 04 05 41 06 08 06 48 01 47 06 57 13 06 11.3 8.2 72 1532-2330 >90 SUN JAN 10 18 11 18 51 19 18 03 59 14 34 05 41 06 08 06 48 01 51 07 01 13 10 11.3 9.1 80 1626-2514 >90 MON JAN 11 18 11 18 51 19 18 04 51 15 25 05 42 06 08 06 48 01 55 07 05 13 14 11.3 10.0 88 1719-2545 >90 TUE JAN 12 18 12 18 52 19 19 05 41 16 17 05 42 06 09 06 49 02 00 07 09 13 19 11.3 10.8 95 1812-2502 >90 WED JAN 13 18 12 18 53 19 19 06 27 17 10 05 42 06 09 06 49 02 05 07 13 13 23 11.3 11.3 100 1904-2312 >90 THU JAN 14 18 13 18 53 19 20 18 03 05 42 06 09 06 49 02 09 07 17 13 27 11.3 11.3 100 1953-2023 >90 FRI JAN 15 18 14 18 54 19 20 18 54 05 42 06 09 06 49 02 14 07 21 13 31 11.3 11.3 100 2040-1646 >90 SAT JAN 16 18 14 18 54 19 21 19 44 05 42 06 09 06 49 02 18 07 25 13 35 11.3 10.4 92 2124-1231 >90 SUN JAN 17 18 15 18 55 19 22 20 33 05 42 06 09 06 49 02 23 07 29 13 39 11.2 9.6 85 2208-0749 >90 MON JAN 18 18 16 18 55 19 22 21 21 05 43 06 09 06 49 02 27 07 33 13 43 11.2 8.8 78 2251-0249 >90 TUE JAN 19 18 16 18 56 19 23 22 09 05 43 06 09 06 49 02 32 07 37 13 47 11.2 8.0 71 2333 0219 >90 WED JAN 20 18 17 18 57 19 23 22 58 05 43 06 09 06 49 02 37 07 41 13 51 11.2 7.2 64 0017 0728 >90 THU JAN 21 18 18 18 57 19 24 23 50 05 43 06 09 06 49 02 41 07 45 13 55 11.2 6.3 56 0103 1226 >90 FRI JAN 22 18 18 18 58 19 24 00 44 05 43 06 09 06 49 02 46 07 49 13 59 11.2 5.4 48 0152 1658 84 SAT JAN 23 18 19 18 58 19 25 01 41 05 43 06 09 06 49 02 50 07 53 14 03 11.2 4.5 39 0244 2057 72 SUN JAN 24 18 19 18 59 19 25 02 42 05 43 06 09 06 49 02 55 07 56 14 07 11.2 3.5 30 0341 2355 59 MON JAN 25 18 20 18 59 19 26 03 44 05 43 06 09 06 48 02 59 08 00 14 10 11.2 2.4 21 0442 2534 46 TUE JAN 26 18 21 19 00 19 26 14 30 04 46 05 43 06 09 06 48 03 04 08 04 14 14 11.2 1.4 12 0547 2533 32 WED JAN 27 18 21 19 01 19 27 15 36 05 45 05 42 06 09 06 48 03 09 08 08 14 18 11.1 0.4 3 0653 2342 18 THU JAN 28 18 22 19 01 19 27 16 44 06 39 05 42 06 09 06 48 03 12 08 12 14 22 11.1 0.0 0 0757 2007 04 FRI JAN 29 18 22 19 02 19 28 17 53 05 42 06 08 06 48 03 17 08 16 14 25 11.1 0.0 0 0859 1505 11 SAT JAN 30 18 23 19 02 19 28 18 59 05 42 06 08 06 47 03 21 08 20 14 29 11.1 0.0 0 0957 0904 26 SUN JAN 31 18 24 19 03 19 29 20 03 05 42 06 08 06 47 03 26 08 24 14 33 11.1 1.0 9 1053 0235 40 ONE LINE REFERS TO EVENING DATE LAST QUARTER Jan 07 10:40 UT AND FOLLOWING MORNING. NEW MOON Jan 15 07:10 UT All dates and times are zone HST FIRST QUARTER Jan 23 10:55 UT in upper table (except sid time). FULL MOON Jan 30 06:16 UT