KECK OBSERVATORY CALENDAR FOR 2003 -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 2003 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight WED OCT 01 18 21 18 58 19 24 23 24 05 00 05 25 06 03 19 44 00 21 05 22 9.6 5.6 58 1822-2655 THU OCT 02 18 20 18 57 19 23 00 25 05 00 05 25 06 03 19 47 00 25 05 26 9.6 4.6 47 1924-2627 FRI OCT 03 18 19 18 56 19 22 01 26 05 00 05 26 06 03 19 50 00 29 05 30 9.6 3.6 37 2023-2424 SAT OCT 04 18 18 18 56 19 21 02 26 05 00 05 26 06 04 19 53 00 33 05 34 9.6 2.6 26 2118-2103 SUN OCT 05 18 17 18 55 19 20 03 22 05 01 05 26 06 04 19 56 00 37 05 39 9.7 1.7 17 2210-1643 MON OCT 06 18 16 18 54 19 19 16 12 04 16 05 01 05 26 06 04 19 59 00 41 05 43 9.7 0.8 7 2259-1142 TUE OCT 07 18 16 18 53 19 19 16 48 05 08 05 01 05 27 06 04 20 03 00 45 05 46 9.7 0.0 0 2345-0616 WED OCT 08 18 15 18 52 19 18 17 22 05 58 05 01 05 27 06 05 20 06 00 49 05 50 9.7 0.0 0 0030-0041 THU OCT 09 18 14 18 51 19 17 17 54 06 48 05 02 05 27 06 05 20 09 00 53 05 55 9.8 0.0 0 0113+0450 FRI OCT 10 18 13 18 51 19 16 18 27 07 37 05 02 05 27 06 05 20 12 00 56 05 59 9.8 0.0 0 0157+1008 SAT OCT 11 18 12 18 50 19 15 19 00 05 02 05 28 06 05 20 15 01 00 06 03 9.8 0.0 0 0242+1501 SUN OCT 12 18 11 18 49 19 15 19 36 05 02 05 28 06 06 20 19 01 04 06 07 9.8 0.4 3 0329+1918 MON OCT 13 18 11 18 48 19 14 20 14 05 03 05 28 06 06 20 22 01 08 06 12 9.8 1.0 10 0417+2248 TUE OCT 14 18 10 18 48 19 13 20 57 05 03 05 29 06 06 20 24 01 12 06 16 9.8 1.7 17 0508+2521 WED OCT 15 18 09 18 47 19 12 21 43 05 03 05 29 06 07 20 27 01 16 06 20 9.8 2.5 25 0600+2646 THU OCT 16 18 08 18 46 19 12 22 34 05 03 05 29 06 07 20 31 01 20 06 24 9.8 3.4 34 0654+2658 FRI OCT 17 18 08 18 45 19 11 23 28 05 04 05 29 06 07 20 34 01 24 06 29 9.9 4.3 43 0749+2551 SAT OCT 18 18 07 18 45 19 10 00 25 05 04 05 30 06 08 20 37 01 28 06 33 9.9 5.3 53 0843+2327 SUN OCT 19 18 06 18 44 19 10 01 23 05 04 05 30 06 08 20 41 01 32 06 37 9.9 6.2 62 0936+1948 MON OCT 20 18 06 18 43 19 09 02 22 05 05 05 30 06 08 20 44 01 36 06 42 9.9 7.2 72 1028+1503 TUE OCT 21 18 05 18 43 19 08 03 21 05 05 05 31 06 09 20 47 01 40 06 46 10.0 8.2 82 1120+0923 WED OCT 22 18 04 18 42 19 08 04 20 16 27 05 05 05 31 06 09 20 51 01 44 06 50 10.0 9.2 92 1211+0303 THU OCT 23 18 03 18 42 19 07 05 21 17 06 05 06 05 31 06 09 20 54 01 48 06 55 10.0 10.0 100 1304-0336 FRI OCT 24 18 03 18 41 19 07 06 24 17 47 05 06 05 32 06 10 20 58 01 52 06 58 10.0 10.0 100 1358-1012 SAT OCT 25 18 02 18 40 19 06 07 29 18 31 05 06 05 32 06 10 21 01 01 56 07 02 10.0 10.0 100 1455-1617 SUN OCT 26 18 02 18 40 19 06 19 20 05 06 05 32 06 10 21 05 02 00 07 06 10.0 9.8 97 1555-2121 MON OCT 27 18 01 18 39 19 05 20 14 05 07 05 33 06 11 21 08 02 03 07 11 10.0 8.9 88 1658-2459 TUE OCT 28 18 00 18 39 19 05 21 13 05 07 05 33 06 11 21 12 02 07 07 15 10.0 7.9 78 1803-2651 WED OCT 29 18 00 18 38 19 04 22 16 05 07 05 33 06 12 21 15 02 11 07 19 10.0 6.9 68 1907-2652 THU OCT 30 17 59 18 38 19 04 23 19 05 08 05 34 06 12 21 18 02 15 07 24 10.1 5.8 57 2009-2510 FRI OCT 31 17 59 18 37 19 03 00 20 05 08 05 34 06 13 21 21 02 19 07 28 10.1 4.8 47 2106-2203 ONE LINE REFERS TO EVENING DATE FIRST QUARTER OCT 02 19:12 UT AND FOLLOWING MORNING. FULL MOON OCT 10 07:29 UT All dates and times are zone HST LAST QUARTER OCT 18 12:35 UT in upper table (except sid time). NEW MOON OCT 25 12:54 UT