KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SAT OCT 01 18 21 18 58 19 24 05 30 17 36 05 00 05 25 06 03 19 20 00 23 05 49 10.4 10.4 100 1157+0144 SUN OCT 02 18 20 18 57 19 23 06 20 18 08 05 00 05 25 06 03 19 23 00 27 05 53 10.5 10.5 100 1241-0410 MON OCT 03 18 19 18 56 19 22 07 11 18 40 05 00 05 26 06 03 19 26 00 31 05 58 10.5 10.5 100 1326-1001 TUE OCT 04 18 18 18 56 19 21 19 15 05 00 05 26 06 04 19 30 00 35 06 02 10.5 10.2 96 1413-1534 WED OCT 05 18 17 18 55 19 20 19 54 05 01 05 26 06 04 19 33 00 39 06 06 10.5 9.5 90 1503-2031 THU OCT 06 18 16 18 54 19 19 20 38 05 01 05 26 06 04 19 36 00 43 06 10 10.5 8.8 83 1558-2434 FRI OCT 07 18 16 18 53 19 19 21 28 05 01 05 27 06 04 19 39 00 47 06 15 10.6 8.0 75 1656-2720 SAT OCT 08 18 15 18 52 19 18 22 24 05 01 05 27 06 05 19 42 00 51 06 19 10.6 7.1 66 1758-2833 SUN OCT 09 18 14 18 51 19 17 23 26 05 02 05 27 06 05 19 45 00 55 06 22 10.6 6.0 56 1900-2800 MON OCT 10 18 13 18 51 19 16 00 31 05 02 05 27 06 05 19 49 00 58 06 26 10.6 4.9 46 2003-2540 TUE OCT 11 18 12 18 50 19 15 01 37 05 02 05 28 06 05 19 52 01 02 06 31 10.6 3.9 36 2102-2142 WED OCT 12 18 11 18 49 19 15 02 40 05 02 05 28 06 06 19 55 01 06 06 35 10.6 2.8 26 2159-1624 THU OCT 13 18 11 18 48 19 14 03 42 05 03 05 28 06 06 19 57 01 10 06 39 10.7 1.8 16 2253-1009 FRI OCT 14 18 10 18 48 19 13 16 12 04 42 05 03 05 29 06 06 20 01 01 14 06 44 10.7 0.8 7 2345-0322 SAT OCT 15 18 09 18 47 19 12 16 50 05 42 05 03 05 29 06 07 20 04 01 18 06 48 10.7 0.0 0 0036+0332 SUN OCT 16 18 08 18 46 19 12 17 28 06 41 05 03 05 29 06 07 20 07 01 22 06 52 10.7 0.0 0 0127+1012 MON OCT 17 18 08 18 45 19 11 18 07 07 42 05 04 05 29 06 07 20 10 01 26 06 56 10.7 0.0 0 0219+1615 TUE OCT 18 18 07 18 45 19 10 18 49 05 04 05 30 06 08 20 14 01 30 07 01 10.8 0.1 0 0313+2120 WED OCT 19 18 06 18 44 19 10 19 33 05 04 05 30 06 08 20 17 01 34 07 05 10.8 0.8 7 0409+2512 THU OCT 20 18 06 18 43 19 09 20 22 05 05 05 30 06 08 20 20 01 38 07 09 10.8 1.6 15 0506+2738 FRI OCT 21 18 05 18 43 19 08 21 15 05 05 05 31 06 09 20 24 01 42 07 14 10.8 2.5 23 0603+2834 SAT OCT 22 18 04 18 42 19 08 22 09 05 05 05 31 06 09 20 27 01 46 07 18 10.8 3.4 31 0658+2802 SUN OCT 23 18 03 18 42 19 07 23 04 05 06 05 31 06 09 20 31 01 50 07 22 10.8 4.4 40 0752+2610 MON OCT 24 18 03 18 41 19 07 23 59 05 06 05 32 06 10 20 34 01 54 07 27 10.9 5.3 48 0842+2310 TUE OCT 25 18 02 18 40 19 06 00 52 05 06 05 32 06 10 20 37 01 58 07 31 10.9 6.2 57 0930+1914 WED OCT 26 18 02 18 40 19 06 01 43 05 06 05 32 06 10 20 41 02 02 07 34 10.9 7.1 64 1016+1433 THU OCT 27 18 01 18 39 19 05 02 33 05 07 05 33 06 11 20 44 02 06 07 39 10.9 7.9 72 1100+0918 FRI OCT 28 18 00 18 39 19 05 03 22 05 07 05 33 06 11 20 48 02 09 07 43 10.9 8.7 79 1143+0338 SAT OCT 29 18 00 18 38 19 04 04 12 16 07 05 07 05 33 06 12 20 51 02 13 07 47 10.9 9.6 87 1226-0214 SUN OCT 30 17 59 18 38 19 04 05 03 16 39 05 08 05 34 06 12 20 54 02 17 07 52 10.9 10.4 95 1311-0810 MON OCT 31 17 59 18 37 19 03 05 57 17 14 05 08 05 34 06 13 20 57 02 21 07 56 10.9 10.9 100 1358-1354 ONE LINE REFERS TO EVENING DATE NEW MOON OCT 03 10:31 UT AND FOLLOWING MORNING. FIRST QUARTER OCT 10 19:03 UT All dates and times are zone HST FULL MOON OCT 17 12:17 UT in upper table (except sid time). LAST QUARTER OCT 25 01:20 UT