KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight MON JAN 01 18 05 18 45 19 12 16 08 06 34 05 39 06 06 06 46 01 36 06 25 12 05 10.4 0.0 0 0551+2822 TUE JAN 02 18 05 18 46 19 13 17 08 07 30 05 39 06 06 06 46 01 41 06 29 12 09 10.4 0.0 0 0652+2731 WED JAN 03 18 06 18 47 19 14 18 10 05 39 06 06 06 47 01 46 06 33 12 13 10.4 0.0 0 0750+2506 THU JAN 04 18 07 18 47 19 14 19 10 05 40 06 07 06 47 01 50 06 37 12 18 10.4 0.0 0 0844+2126 FRI JAN 05 18 07 18 48 19 15 20 06 05 40 06 07 06 47 01 55 06 41 12 21 10.4 0.9 8 0934+1651 SAT JAN 06 18 08 18 48 19 15 21 00 05 40 06 07 06 47 01 59 06 44 12 25 10.4 1.8 16 1021+1140 SUN JAN 07 18 09 18 49 19 16 21 50 05 41 06 07 06 48 02 04 06 48 12 30 10.4 2.6 24 1105+0608 MON JAN 08 18 09 18 49 19 16 22 38 05 41 06 08 06 48 02 08 06 52 12 34 10.4 3.4 32 1147+0029 TUE JAN 09 18 10 18 50 19 17 23 26 05 41 06 08 06 48 02 13 06 56 12 38 10.4 4.1 39 1229-0508 WED JAN 10 18 11 18 51 19 18 00 14 05 41 06 08 06 48 02 17 07 00 12 42 10.4 4.9 47 1311-1034 THU JAN 11 18 11 18 51 19 18 01 03 05 42 06 08 06 48 02 21 07 04 12 47 10.4 5.8 55 1355-1540 FRI JAN 12 18 12 18 52 19 19 01 55 05 42 06 09 06 49 02 26 07 08 12 51 10.4 6.6 63 1442-2015 SAT JAN 13 18 12 18 52 19 19 02 49 05 42 06 09 06 49 02 30 07 12 12 55 10.4 7.5 72 1533-2404 SUN JAN 14 18 13 18 53 19 20 03 47 05 42 06 09 06 49 02 35 07 16 12 59 10.4 8.4 81 1627-2650 MON JAN 15 18 14 18 54 19 20 04 46 05 42 06 09 06 49 02 39 07 20 13 03 10.4 9.4 90 1725-2817 TUE JAN 16 18 14 18 54 19 21 05 44 16 04 05 42 06 09 06 49 02 44 07 24 13 07 10.3 10.3 100 1825-2809 WED JAN 17 18 15 18 55 19 22 06 39 17 06 05 42 06 09 06 49 02 49 07 28 13 11 10.3 10.3 100 1926-2619 THU JAN 18 18 16 18 55 19 22 07 30 18 10 05 43 06 09 06 49 02 53 07 32 13 16 10.3 10.3 100 2026-2251 FRI JAN 19 18 16 18 56 19 23 19 14 05 43 06 09 06 49 02 58 07 36 13 20 10.3 10.3 100 2123-1758 SAT JAN 20 18 17 18 57 19 23 20 16 05 43 06 09 06 49 03 02 07 40 13 24 10.3 9.5 91 2217-1203 SUN JAN 21 18 18 18 57 19 24 21 16 05 43 06 09 06 49 03 07 07 44 13 28 10.3 8.5 81 2309-0527 MON JAN 22 18 18 18 58 19 24 22 15 05 43 06 09 06 49 03 11 07 48 13 32 10.3 7.5 72 0000+0123 TUE JAN 23 18 19 18 58 19 25 23 14 05 43 06 09 06 49 03 16 07 52 13 35 10.3 6.5 62 0051+0808 WED JAN 24 18 19 18 59 19 25 00 14 05 43 06 09 06 48 03 20 07 55 13 39 10.3 5.5 53 0143+1424 THU JAN 25 18 20 18 59 19 26 01 16 05 43 06 09 06 48 03 25 07 59 13 43 10.3 4.5 43 0237+1953 FRI JAN 26 18 21 19 00 19 26 02 19 05 43 06 09 06 48 03 29 08 03 13 47 10.3 3.4 33 0333+2413 SAT JAN 27 18 21 19 00 19 27 03 23 05 42 06 09 06 48 03 34 08 07 13 50 10.2 2.3 22 0433+2708 SUN JAN 28 18 22 19 01 19 27 04 25 05 42 06 09 06 48 03 37 08 11 13 54 10.2 1.3 12 0533+2825 MON JAN 29 18 22 19 02 19 28 05 22 05 42 06 08 06 48 03 42 08 15 13 58 10.2 0.3 3 0634+2802 TUE JAN 30 18 23 19 02 19 28 06 13 05 42 06 08 06 47 03 46 08 19 14 02 10.2 0.0 0 0732+2604 WED JAN 31 18 24 19 03 19 29 16 58 06 58 05 42 06 08 06 47 03 51 08 23 14 06 10.2 0.0 0 0827+2247 ONE LINE REFERS TO EVENING DATE FULL MOON JAN 03 14:01 UT AND FOLLOWING MORNING. LAST QUARTER JAN 11 12:48 UT All dates and times are zone HST NEW MOON JAN 19 04:02 UT in upper table (except sid time). FIRST QUARTER JAN 25 23:05 UT