KECK OBSERVATORY CALENDAR FOR 2007 -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 2007 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight MON OCT 01 18 21 18 58 19 24 22 21 05 00 05 25 06 03 19 18 00 21 05 47 10.4 3.4 32 0546+2817 TUE OCT 02 18 20 18 57 19 23 23 24 05 00 05 25 06 03 19 21 00 25 05 51 10.5 4.4 42 0648+2717 WED OCT 03 18 19 18 56 19 22 00 26 05 00 05 26 06 03 19 24 00 29 05 56 10.5 5.5 52 0747+2443 THU OCT 04 18 18 18 56 19 21 01 26 05 00 05 26 06 04 19 28 00 33 06 00 10.5 6.5 61 0841+2054 FRI OCT 05 18 17 18 55 19 20 02 22 05 01 05 26 06 04 19 31 00 37 06 04 10.5 7.5 70 0931+1612 SAT OCT 06 18 16 18 54 19 19 03 15 05 01 05 26 06 04 19 34 00 41 06 08 10.5 8.4 79 1018+1055 SUN OCT 07 18 16 18 53 19 19 04 05 16 23 05 01 05 27 06 04 19 37 00 45 06 13 10.6 9.2 87 1103+0517 MON OCT 08 18 15 18 52 19 18 04 54 16 55 05 01 05 27 06 05 19 40 00 49 06 17 10.6 10.0 94 1146-0027 TUE OCT 09 18 14 18 51 19 17 05 43 17 26 05 02 05 27 06 05 19 43 00 53 06 21 10.6 10.6 100 1228-0607 WED OCT 10 18 13 18 51 19 16 06 32 17 58 05 02 05 27 06 05 19 47 00 57 06 24 10.6 10.6 100 1311-1131 THU OCT 11 18 12 18 50 19 15 07 21 18 31 05 02 05 28 06 05 19 50 01 01 06 29 10.6 10.6 100 1356-1629 FRI OCT 12 18 11 18 49 19 15 19 07 05 02 05 28 06 06 19 53 01 04 06 33 10.6 10.3 97 1442-2048 SAT OCT 13 18 11 18 48 19 14 19 46 05 03 05 28 06 06 19 56 01 08 06 37 10.7 9.7 90 1531-2417 SUN OCT 14 18 10 18 48 19 13 20 30 05 03 05 29 06 06 19 59 01 12 06 42 10.7 9.0 84 1623-2645 MON OCT 15 18 09 18 47 19 12 21 18 05 03 05 29 06 07 20 02 01 16 06 46 10.7 8.2 76 1716-2802 TUE OCT 16 18 08 18 46 19 12 22 10 05 03 05 29 06 07 20 05 01 20 06 50 10.7 7.3 68 1811-2759 WED OCT 17 18 08 18 45 19 11 23 05 05 04 05 29 06 07 20 08 01 24 06 54 10.7 6.4 59 1906-2634 THU OCT 18 18 07 18 45 19 10 00 02 05 04 05 30 06 08 20 12 01 28 06 59 10.8 5.5 50 2000-2348 FRI OCT 19 18 06 18 44 19 10 01 00 05 04 05 30 06 08 20 15 01 32 07 03 10.8 4.5 41 2053-1947 SAT OCT 20 18 06 18 43 19 09 01 58 05 05 05 30 06 08 20 18 01 36 07 07 10.8 3.5 32 2145-1438 SUN OCT 21 18 05 18 43 19 08 02 56 05 05 05 31 06 09 20 22 01 40 07 12 10.8 2.6 23 2236-0836 MON OCT 22 18 04 18 42 19 08 03 55 05 05 05 31 06 09 20 25 01 44 07 16 10.8 1.6 14 2327-0156 TUE OCT 23 18 03 18 42 19 07 04 56 05 06 05 31 06 09 20 29 01 48 07 20 10.8 0.6 5 0019+0500 WED OCT 24 18 03 18 41 19 07 16 40 06 00 05 06 05 32 06 10 20 32 01 52 07 25 10.9 0.0 0 0114+1149 THU OCT 25 18 02 18 40 19 06 17 24 07 07 05 06 05 32 06 10 20 35 01 56 07 29 10.9 0.0 0 0212+1801 FRI OCT 26 18 02 18 40 19 06 18 12 05 06 05 32 06 10 20 39 02 00 07 33 10.9 0.0 0 0313+2305 SAT OCT 27 18 01 18 39 19 05 19 07 05 07 05 33 06 11 20 42 02 04 07 38 10.9 0.5 4 0418+2632 SUN OCT 28 18 00 18 39 19 05 20 07 05 07 05 33 06 11 20 46 02 08 07 41 10.9 1.5 13 0524+2803 MON OCT 29 18 00 18 38 19 04 21 12 05 07 05 33 06 12 20 49 02 11 07 45 10.9 2.6 23 0629+2736 TUE OCT 30 17 59 18 38 19 04 22 17 05 08 05 34 06 12 20 53 02 15 07 50 10.9 3.6 33 0731+2523 WED OCT 31 17 59 18 37 19 03 23 19 05 08 05 34 06 13 20 55 02 19 07 54 10.9 4.7 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