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 SUN JUN 01 19 08 19 50 20 20 07 33 20 55 04 19 04 49 05 31 12 39 16 20 20 40 8.0 7.4 92 0632+2628 MON JUN 02 19 08 19 50 20 20 21 47 04 19 04 49 05 31 12 43 16 24 20 44 8.0 6.5 81 0728+2600 TUE JUN 03 19 09 19 51 20 21 22 37 04 19 04 49 05 31 12 48 16 28 20 48 8.0 5.7 71 0823+2411 WED JUN 04 19 09 19 51 20 21 23 23 04 19 04 49 05 31 12 52 16 32 20 52 8.0 4.9 61 0917+2107 THU JUN 05 19 09 19 52 20 22 00 06 04 19 04 49 05 31 12 57 16 36 20 55 7.9 4.2 53 1009+1657 FRI JUN 06 19 10 19 52 20 22 00 47 04 19 04 49 05 31 13 01 16 40 20 59 7.9 3.5 44 1101+1152 SAT JUN 07 19 10 19 53 20 23 01 25 04 19 04 49 05 31 13 06 16 44 21 03 7.9 2.9 36 1151+0604 SUN JUN 08 19 11 19 53 20 23 02 04 04 19 04 49 05 31 13 10 16 48 21 07 7.9 2.2 28 1242-0009 MON JUN 09 19 11 19 53 20 23 02 44 04 19 04 49 05 31 13 14 16 52 21 11 7.9 1.6 19 1333-0631 TUE JUN 10 19 11 19 54 20 24 03 26 04 19 04 49 05 31 13 19 16 55 21 15 7.9 0.9 11 1428-1240 WED JUN 11 19 12 19 54 20 24 16 18 04 13 04 19 04 49 05 31 13 23 16 59 21 19 7.9 0.1 1 1525-1811 THU JUN 12 19 12 19 55 20 25 17 25 05 06 04 19 04 49 05 31 13 28 17 03 21 23 7.9 0.0 0 1626-2234 FRI JUN 13 19 12 19 55 20 25 18 33 06 05 04 19 04 49 05 31 13 32 17 07 21 27 7.9 0.0 0 1730-2525 SAT JUN 14 19 13 19 55 20 25 19 40 07 07 04 19 04 49 05 31 13 36 17 11 21 31 7.9 0.0 0 1836-2628 SUN JUN 15 19 13 19 56 20 26 20 42 04 19 04 49 05 32 13 41 17 15 21 35 7.9 0.3 3 1940-2542 MON JUN 16 19 13 19 56 20 26 21 38 04 19 04 49 05 32 13 45 17 19 21 39 7.9 1.2 15 2040-2319 TUE JUN 17 19 13 19 56 20 26 22 27 04 19 04 49 05 32 13 48 17 23 21 43 7.9 2.0 25 2137-1940 WED JUN 18 19 14 19 56 20 27 23 10 04 19 04 49 05 32 13 53 17 27 21 47 7.9 2.7 34 2228-1509 THU JUN 19 19 14 19 57 20 27 23 47 04 19 04 50 05 32 13 57 17 31 21 51 7.9 3.3 42 2316-1007 FRI JUN 20 19 14 19 57 20 27 00 22 04 20 04 50 05 32 14 01 17 35 21 56 7.9 3.9 49 0001-0448 SAT JUN 21 19 14 19 57 20 27 00 54 04 20 04 50 05 33 14 05 17 39 22 00 7.9 4.4 56 0044+0034 SUN JUN 22 19 15 19 57 20 28 01 26 04 20 04 50 05 33 14 10 17 43 22 03 7.9 5.0 63 0127+0550 MON JUN 23 19 15 19 58 20 28 01 59 04 20 04 50 05 33 14 14 17 47 22 07 7.9 5.5 70 0211+1052 TUE JUN 24 19 15 19 58 20 28 02 33 04 21 04 51 05 33 14 18 17 51 22 12 7.9 6.1 77 0255+1531 WED JUN 25 19 15 19 58 20 28 03 10 16 07 04 21 04 51 05 34 14 22 17 55 22 16 7.9 6.7 84 0342+1935 THU JUN 26 19 15 19 58 20 28 03 51 17 00 04 21 04 51 05 34 14 26 17 59 22 20 7.9 7.4 93 0432+2253 FRI JUN 27 19 16 19 58 20 28 04 37 17 54 04 21 04 52 05 34 14 30 18 02 22 24 7.9 7.9 100 0524+2512 SAT JUN 28 19 16 19 58 20 28 05 27 18 49 04 22 04 52 05 34 14 34 18 06 22 29 7.9 7.9 100 0618+2621 SUN JUN 29 19 16 19 58 20 28 06 22 19 42 04 22 04 52 05 35 14 38 18 10 22 33 7.9 7.9 100 0714+2612 MON JUN 30 19 16 19 58 20 29 07 19 20 34 04 22 04 53 05 35 14 43 18 14 22 37 7.9 7.8 98 0810+2441 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUN 07 20:30 UT AND FOLLOWING MORNING. FULL MOON JUN 14 11:19 UT All dates and times are zone HST LAST QUARTER JUN 21 14:49 UT in upper table (except sid time). NEW MOON JUN 29 18:43 UT