KECK OBSERVATORY CALENDAR FOR 2005 -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 2005 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SAT OCT 01 18 21 18 58 19 24 05 30 17 36 05 00 05 25 06 03 19 46 00 23 05 24 9.6 9.6 100 1157+0144 SUN OCT 02 18 20 18 57 19 23 06 20 18 08 05 00 05 25 06 03 19 49 00 27 05 28 9.6 9.6 100 1241-0410 MON OCT 03 18 19 18 56 19 22 07 11 18 40 05 00 05 26 06 03 19 52 00 31 05 32 9.6 9.6 100 1326-1001 TUE OCT 04 18 18 18 56 19 21 19 15 05 00 05 26 06 04 19 55 00 35 05 36 9.6 9.6 100 1413-1534 WED OCT 05 18 17 18 55 19 20 19 54 05 01 05 26 06 04 19 58 00 39 05 41 9.7 9.1 94 1503-2031 THU OCT 06 18 16 18 54 19 19 20 38 05 01 05 26 06 04 20 01 00 43 05 45 9.7 8.4 86 1558-2434 FRI OCT 07 18 16 18 53 19 19 21 28 05 01 05 27 06 04 20 05 00 47 05 48 9.7 7.5 77 1656-2720 SAT OCT 08 18 15 18 52 19 18 22 24 05 01 05 27 06 05 20 08 00 51 05 52 9.7 6.6 68 1758-2833 SUN OCT 09 18 14 18 51 19 17 23 26 05 02 05 27 06 05 20 11 00 55 05 57 9.8 5.6 57 1900-2800 MON OCT 10 18 13 18 51 19 16 00 31 05 02 05 27 06 05 20 14 00 58 06 01 9.8 4.5 46 2003-2540 TUE OCT 11 18 12 18 50 19 15 01 37 05 02 05 28 06 05 20 17 01 02 06 05 9.8 3.4 34 2102-2142 WED OCT 12 18 11 18 49 19 15 02 40 05 02 05 28 06 06 20 21 01 06 06 09 9.8 2.4 24 2159-1624 THU OCT 13 18 11 18 48 19 14 03 42 05 03 05 28 06 06 20 24 01 10 06 14 9.8 1.4 13 2253-1009 FRI OCT 14 18 10 18 48 19 13 16 12 04 42 05 03 05 29 06 06 20 26 01 14 06 18 9.8 0.4 3 2345-0322 SAT OCT 15 18 09 18 47 19 12 16 50 05 42 05 03 05 29 06 07 20 29 01 18 06 22 9.8 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 33 01 22 06 26 9.8 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 36 01 26 06 31 9.9 0.0 0 0219+1615 TUE OCT 18 18 07 18 45 19 10 18 49 05 04 05 30 06 08 20 39 01 30 06 35 9.9 0.0 0 0313+2120 WED OCT 19 18 06 18 44 19 10 19 33 05 04 05 30 06 08 20 43 01 34 06 39 9.9 0.4 3 0409+2512 THU OCT 20 18 06 18 43 19 09 20 22 05 05 05 30 06 08 20 46 01 38 06 44 9.9 1.2 12 0506+2738 FRI OCT 21 18 05 18 43 19 08 21 15 05 05 05 31 06 09 20 49 01 42 06 48 10.0 2.1 21 0603+2834 SAT OCT 22 18 04 18 42 19 08 22 09 05 05 05 31 06 09 20 53 01 46 06 52 10.0 3.0 30 0658+2802 SUN OCT 23 18 03 18 42 19 07 23 04 05 06 05 31 06 09 20 56 01 50 06 57 10.0 4.0 39 0752+2610 MON OCT 24 18 03 18 41 19 07 23 59 05 06 05 32 06 10 21 00 01 54 07 01 10.0 4.9 48 0842+2310 TUE OCT 25 18 02 18 40 19 06 00 52 05 06 05 32 06 10 21 03 01 58 07 04 10.0 5.8 57 0930+1914 WED OCT 26 18 02 18 40 19 06 01 43 05 06 05 32 06 10 21 07 02 02 07 08 10.0 6.6 66 1016+1433 THU OCT 27 18 01 18 39 19 05 02 33 05 07 05 33 06 11 21 10 02 06 07 13 10.0 7.5 74 1100+0918 FRI OCT 28 18 00 18 39 19 05 03 22 05 07 05 33 06 11 21 14 02 09 07 17 10.0 8.3 82 1143+0338 SAT OCT 29 18 00 18 38 19 04 04 12 16 07 05 07 05 33 06 12 21 17 02 13 07 21 10.0 9.1 90 1226-0214 SUN OCT 30 17 59 18 38 19 04 05 03 16 39 05 08 05 34 06 12 21 21 02 17 07 26 10.1 10.0 99 1311-0810 MON OCT 31 17 59 18 37 19 03 05 57 17 14 05 08 05 34 06 13 21 23 02 21 07 30 10.1 10.1 100 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