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 OCT 01 18 21 18 58 19 24 22 21 05 00 05 25 06 03 19 44 00 21 05 22 9.6 3.0 30 0546+2817 TUE OCT 02 18 20 18 57 19 23 23 24 05 00 05 25 06 03 19 47 00 25 05 26 9.6 4.0 41 0648+2717 WED OCT 03 18 19 18 56 19 22 00 26 05 00 05 26 06 03 19 50 00 29 05 30 9.6 5.1 52 0747+2443 THU OCT 04 18 18 18 56 19 21 01 26 05 00 05 26 06 04 19 53 00 33 05 34 9.6 6.1 63 0841+2054 FRI OCT 05 18 17 18 55 19 20 02 22 05 01 05 26 06 04 19 56 00 37 05 39 9.7 7.0 72 0931+1612 SAT OCT 06 18 16 18 54 19 19 03 15 05 01 05 26 06 04 19 59 00 41 05 43 9.7 7.9 81 1018+1055 SUN OCT 07 18 16 18 53 19 19 04 05 16 23 05 01 05 27 06 04 20 03 00 45 05 47 9.7 8.8 90 1103+0517 MON OCT 08 18 15 18 52 19 18 04 54 16 55 05 01 05 27 06 05 20 06 00 49 05 51 9.7 9.6 98 1146-0027 TUE OCT 09 18 14 18 51 19 17 05 43 17 26 05 02 05 27 06 05 20 09 00 53 05 55 9.8 9.8 100 1228-0607 WED OCT 10 18 13 18 51 19 16 06 32 17 58 05 02 05 27 06 05 20 12 00 57 05 59 9.8 9.8 100 1311-1131 THU OCT 11 18 12 18 50 19 15 07 21 18 31 05 02 05 28 06 05 20 15 01 01 06 03 9.8 9.8 100 1356-1629 FRI OCT 12 18 11 18 49 19 15 19 07 05 02 05 28 06 06 20 19 01 04 06 07 9.8 9.8 100 1442-2048 SAT OCT 13 18 11 18 48 19 14 19 46 05 03 05 28 06 06 20 22 01 08 06 12 9.8 9.3 94 1531-2417 SUN OCT 14 18 10 18 48 19 13 20 30 05 03 05 29 06 06 20 25 01 12 06 16 9.8 8.6 86 1623-2645 MON OCT 15 18 09 18 47 19 12 21 18 05 03 05 29 06 07 20 28 01 16 06 20 9.8 7.8 78 1716-2802 TUE OCT 16 18 08 18 46 19 12 22 10 05 03 05 29 06 07 20 31 01 20 06 24 9.8 6.9 69 1811-2759 WED OCT 17 18 08 18 45 19 11 23 05 05 04 05 29 06 07 20 34 01 24 06 29 9.9 6.0 60 1906-2634 THU OCT 18 18 07 18 45 19 10 00 02 05 04 05 30 06 08 20 37 01 28 06 33 9.9 5.0 50 2000-2348 FRI OCT 19 18 06 18 44 19 10 01 00 05 04 05 30 06 08 20 41 01 32 06 37 9.9 4.1 41 2053-1947 SAT OCT 20 18 06 18 43 19 09 01 58 05 05 05 30 06 08 20 44 01 36 06 42 9.9 3.1 31 2145-1438 SUN OCT 21 18 05 18 43 19 08 02 56 05 05 05 31 06 09 20 47 01 40 06 46 10.0 2.2 21 2236-0836 MON OCT 22 18 04 18 42 19 08 03 55 05 05 05 31 06 09 20 51 01 44 06 50 10.0 1.2 11 2327-0156 TUE OCT 23 18 03 18 42 19 07 04 56 05 06 05 31 06 09 20 54 01 48 06 55 10.0 0.2 1 0019+0500 WED OCT 24 18 03 18 41 19 07 16 40 06 00 05 06 05 32 06 10 20 58 01 52 06 59 10.0 0.0 0 0114+1149 THU OCT 25 18 02 18 40 19 06 17 24 07 07 05 06 05 32 06 10 21 01 01 56 07 03 10.0 0.0 0 0212+1801 FRI OCT 26 18 02 18 40 19 06 18 12 05 06 05 32 06 10 21 05 02 00 07 07 10.0 0.0 0 0313+2305 SAT OCT 27 18 01 18 39 19 05 19 07 05 07 05 33 06 11 21 08 02 04 07 11 10.0 0.0 0 0418+2632 SUN OCT 28 18 00 18 39 19 05 20 07 05 07 05 33 06 11 21 12 02 08 07 15 10.0 1.0 10 0524+2803 MON OCT 29 18 00 18 38 19 04 21 12 05 07 05 33 06 12 21 15 02 11 07 19 10.0 2.1 21 0629+2736 TUE OCT 30 17 59 18 38 19 04 22 17 05 08 05 34 06 12 21 19 02 15 07 24 10.1 3.2 31 0731+2523 WED OCT 31 17 59 18 37 19 03 23 19 05 08 05 34 06 13 21 22 02 19 07 28 10.1 4.3 42 0827+2148 ONE LINE REFERS TO EVENING DATE LAST QUARTER OCT 03 10:08 UT AND FOLLOWING MORNING. NEW MOON OCT 11 05:02 UT All dates and times are zone HST FIRST QUARTER OCT 19 08:36 UT in upper table (except sid time). FULL MOON OCT 26 04:56 UT