KECK OBSERVATORY CALENDAR FOR 2009 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2009 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg THU JAN 01 18 05 18 45 19 12 22 45 05 39 06 06 06 46 01 38 06 27 12 07 10.4 6.9 66 2305-0220 >90 FRI JAN 02 18 06 18 46 19 13 23 37 05 39 06 06 06 46 01 43 06 31 12 11 10.4 6.0 57 2350 0326 >90 SAT JAN 03 18 06 18 47 19 14 00 31 05 39 06 06 06 47 01 48 06 35 12 15 10.4 5.1 49 0038 0910 86 SUN JAN 04 18 07 18 47 19 14 01 28 05 40 06 07 06 47 01 52 06 39 12 20 10.4 4.2 40 0128 1447 74 MON JAN 05 18 07 18 48 19 15 02 30 05 40 06 07 06 47 01 57 06 43 12 23 10.4 3.2 30 0222 1949 61 TUE JAN 06 18 08 18 48 19 15 03 35 05 40 06 07 06 48 02 01 06 46 12 27 10.4 2.1 19 0322 2351 47 WED JAN 07 18 09 18 49 19 16 14 24 04 43 05 41 06 07 06 48 02 06 06 50 12 32 10.4 1.0 9 0427 2626 33 THU JAN 08 18 09 18 50 19 16 15 26 05 50 05 41 06 08 06 48 02 10 06 54 12 36 10.4 0.0 0 0535 2707 20 FRI JAN 09 18 10 18 50 19 17 16 35 06 52 05 41 06 08 06 48 02 15 06 58 12 40 10.4 0.0 0 0644 2544 07 SAT JAN 10 18 11 18 51 19 18 17 45 05 41 06 08 06 48 02 19 07 02 12 44 10.4 0.0 0 0750 2224 11 SUN JAN 11 18 11 18 51 19 18 18 54 05 42 06 08 06 48 02 23 07 06 12 49 10.4 0.0 0 0852 1734 25 MON JAN 12 18 12 18 52 19 19 19 59 05 42 06 09 06 49 02 28 07 10 12 53 10.4 0.7 6 0949 1144 39 TUE JAN 13 18 12 18 53 19 19 21 00 05 42 06 09 06 49 02 32 07 14 12 57 10.4 1.7 16 1042 0526 52 WED JAN 14 18 13 18 53 19 20 21 57 05 42 06 09 06 49 02 37 07 18 13 01 10.4 2.6 25 1131-0055 65 THU JAN 15 18 14 18 54 19 20 22 51 05 42 06 09 06 49 02 41 07 22 13 05 10.4 3.5 33 1219-0655 78 FRI JAN 16 18 14 18 54 19 21 23 45 05 42 06 09 06 49 02 46 07 26 13 09 10.3 4.4 42 1305-1218 90 SAT JAN 17 18 15 18 55 19 22 00 38 05 42 06 09 06 49 02 51 07 30 13 13 10.3 5.3 50 1355-1720 >90 SUN JAN 18 18 16 18 55 19 22 01 31 05 43 06 09 06 49 02 55 07 34 13 18 10.3 6.1 59 1444-2119 >90 MON JAN 19 18 16 18 56 19 23 02 24 05 43 06 09 06 49 03 00 07 38 13 22 10.3 7.0 67 1534-2421 >90 TUE JAN 20 18 17 18 57 19 23 03 18 05 43 06 09 06 49 03 04 07 42 13 26 10.3 7.9 76 1625-2617 >90 WED JAN 21 18 18 18 57 19 24 04 09 14 39 05 43 06 09 06 49 03 09 07 46 13 30 10.3 8.8 84 1718-2702 >90 THU JAN 22 18 18 18 58 19 24 04 59 15 29 05 43 06 09 06 49 03 13 07 50 13 34 10.3 9.6 92 1810-2635 >90 FRI JAN 23 18 19 18 58 19 25 05 45 16 22 05 43 06 09 06 49 03 18 07 54 13 37 10.3 10.3 100 1901-2457 >90 SAT JAN 24 18 19 18 59 19 25 06 27 17 15 05 43 06 09 06 49 03 22 07 57 13 41 10.3 10.3 100 1951-2214 >90 SUN JAN 25 18 20 18 59 19 26 18 08 05 43 06 09 06 48 03 27 08 01 13 45 10.3 10.3 100 2039-1834 >90 MON JAN 26 18 21 19 00 19 26 19 00 05 43 06 09 06 48 03 31 08 05 13 49 10.3 10.3 100 2126-1407 >90 TUE JAN 27 18 21 19 01 19 27 19 51 05 42 06 09 06 48 03 36 08 09 13 52 10.2 9.8 96 2211-0904 >90 WED JAN 28 18 22 19 01 19 27 20 42 05 42 06 09 06 48 03 39 08 13 13 56 10.2 9.0 87 2255-0336 >90 THU JAN 29 18 22 19 02 19 28 21 33 05 42 06 08 06 48 03 44 08 17 14 00 10.2 8.2 79 2340 0207 >90 FRI JAN 30 18 23 19 02 19 28 22 26 05 42 06 08 06 47 03 48 08 21 14 04 10.2 7.3 71 0026 0751 >90 SAT JAN 31 18 24 19 03 19 29 23 21 05 42 06 08 06 47 03 53 08 25 14 08 10.2 6.3 62 0115 1322 >90 ONE LINE REFERS TO EVENING DATE FIRST QUARTER Jan 04 11:57 UT AND FOLLOWING MORNING. FULL MOON Jan 11 03:27 UT All dates and times are zone HST LAST QUARTER Jan 18 02:45 UT in upper table (except sid time). NEW MOON Jan 26 07:56 UT