KECK OBSERVATORY CALENDAR FOR 2006 -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 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN OCT 01 18 21 18 58 19 24 01 46 05 00 05 25 06 03 19 19 00 22 05 48 10.4 3.6 34 2033-2258 MON OCT 02 18 20 18 57 19 23 02 50 05 00 05 25 06 03 19 22 00 26 05 52 10.5 2.6 24 2130-1759 TUE OCT 03 18 19 18 56 19 22 03 53 05 00 05 26 06 03 19 25 00 30 05 57 10.5 1.6 14 2226-1151 WED OCT 04 18 18 18 56 19 21 16 29 04 56 05 00 05 26 06 04 19 29 00 34 06 01 10.5 0.5 4 2320-0456 THU OCT 05 18 17 18 55 19 20 17 09 05 59 05 01 05 26 06 04 19 32 00 38 06 05 10.5 0.0 0 0013+0220 FRI OCT 06 18 16 18 54 19 19 17 49 07 02 05 01 05 26 06 04 19 35 00 42 06 09 10.5 0.0 0 0107+0929 SAT OCT 07 18 16 18 53 19 19 18 31 05 01 05 27 06 04 19 38 00 46 06 14 10.6 0.0 0 0203+1603 SUN OCT 08 18 15 18 52 19 18 19 16 05 01 05 27 06 05 19 41 00 50 06 18 10.6 0.4 3 0301+2133 MON OCT 09 18 14 18 51 19 17 20 06 05 02 05 27 06 05 19 44 00 54 06 21 10.6 1.2 11 0401+2538 TUE OCT 10 18 13 18 51 19 16 20 59 05 02 05 27 06 05 19 48 00 58 06 25 10.6 2.1 20 0503+2801 WED OCT 11 18 12 18 50 19 15 21 57 05 02 05 28 06 05 19 51 01 01 06 30 10.6 3.1 29 0604+2840 THU OCT 12 18 11 18 49 19 15 22 56 05 02 05 28 06 06 19 54 01 05 06 34 10.6 4.1 38 0702+2739 FRI OCT 13 18 11 18 48 19 14 23 54 05 03 05 28 06 06 19 57 01 09 06 38 10.7 5.1 47 0758+2514 SAT OCT 14 18 10 18 48 19 13 00 50 05 03 05 29 06 06 20 00 01 13 06 43 10.7 6.0 56 0849+2142 SUN OCT 15 18 09 18 47 19 12 01 44 05 03 05 29 06 07 20 03 01 17 06 47 10.7 7.0 64 0937+1719 MON OCT 16 18 08 18 46 19 12 02 34 05 03 05 29 06 07 20 06 01 21 06 51 10.7 7.8 72 1022+1220 TUE OCT 17 18 08 18 45 19 11 03 23 05 04 05 29 06 07 20 09 01 25 06 55 10.7 8.6 80 1104+0656 WED OCT 18 18 07 18 45 19 10 04 10 16 17 05 04 05 30 06 08 20 13 01 29 07 00 10.8 9.4 87 1146+0120 THU OCT 19 18 06 18 44 19 10 04 58 16 47 05 04 05 30 06 08 20 16 01 33 07 04 10.8 10.2 95 1228-0420 FRI OCT 20 18 06 18 43 19 09 05 46 17 18 05 05 05 30 06 08 20 19 01 37 07 08 10.8 10.8 100 1310-0952 SAT OCT 21 18 05 18 43 19 08 06 36 17 50 05 05 05 31 06 09 20 23 01 41 07 13 10.8 10.8 100 1354-1507 SUN OCT 22 18 04 18 42 19 08 07 28 18 26 05 05 05 31 06 09 20 26 01 45 07 17 10.8 10.8 100 1441-1950 MON OCT 23 18 03 18 42 19 07 19 05 05 06 05 31 06 09 20 30 01 49 07 21 10.8 10.4 96 1531-2346 TUE OCT 24 18 03 18 41 19 07 19 50 05 06 05 32 06 10 20 33 01 53 07 26 10.9 9.7 89 1625-2641 WED OCT 25 18 02 18 40 19 06 20 40 05 06 05 32 06 10 20 36 01 57 07 30 10.9 8.9 81 1721-2819 THU OCT 26 18 02 18 40 19 06 21 35 05 06 05 32 06 10 20 40 02 01 07 34 10.9 7.9 73 1820-2827 FRI OCT 27 18 01 18 39 19 05 22 34 05 07 05 33 06 11 20 43 02 05 07 38 10.9 7.0 64 1918-2700 SAT OCT 28 18 00 18 39 19 05 23 36 05 07 05 33 06 11 20 47 02 09 07 42 10.9 5.9 54 2016-2400 SUN OCT 29 18 00 18 38 19 04 00 37 05 07 05 33 06 12 20 50 02 12 07 46 10.9 4.9 45 2112-1936 MON OCT 30 17 59 18 38 19 04 01 38 05 08 05 34 06 12 20 54 02 16 07 51 10.9 3.9 35 2206-1402 TUE OCT 31 17 59 18 37 19 03 02 39 05 08 05 34 06 13 20 56 02 20 07 55 10.9 2.9 26 2259-0736 ONE LINE REFERS TO EVENING DATE FULL MOON OCT 07 03:17 UT AND FOLLOWING MORNING. LAST QUARTER OCT 14 00:27 UT All dates and times are zone HST NEW MOON OCT 22 05:18 UT in upper table (except sid time). FIRST QUARTER OCT 29 21:27 UT