LICK OBSERVATORY CALENDAR FOR 2003 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(PST) 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 TUE APR 01 18 35 19 26 19 57 06 26 18 44 04 23 04 55 05 45 08 31 12 34 16 58 8.4 8.4 100 0111+0350 WED APR 02 18 36 19 27 19 59 06 50 19 41 04 22 04 53 05 44 08 37 12 38 17 01 8.4 8.4 100 0154+0857 THU APR 03 18 37 19 28 20 00 07 15 20 39 04 20 04 52 05 42 08 42 12 42 17 03 8.3 7.7 92 0238+1345 FRI APR 04 18 38 19 29 20 01 07 44 21 38 04 18 04 50 05 41 08 47 12 46 17 05 8.3 6.7 80 0324+1802 SAT APR 05 18 39 19 30 20 02 22 37 04 16 04 49 05 40 08 52 12 50 17 07 8.2 5.7 68 0412+2137 SUN APR 06 18 40 19 31 20 03 23 37 04 15 04 47 05 38 08 57 12 54 17 10 8.2 4.6 56 0503+2419 MON APR 07 18 41 19 32 20 04 00 35 04 13 04 45 05 37 09 01 12 58 17 12 8.1 3.6 44 0556+2557 TUE APR 08 18 41 19 33 20 05 01 29 04 11 04 44 05 35 09 06 13 02 17 14 8.1 2.7 33 0651+2621 WED APR 09 18 42 19 34 20 06 02 18 04 10 04 42 05 34 09 11 13 06 17 17 8.1 1.9 23 0747+2525 THU APR 10 18 43 19 35 20 07 03 02 04 08 04 41 05 32 09 16 13 10 17 19 8.0 1.1 13 0843+2306 FRI APR 11 18 44 19 36 20 09 03 40 04 06 04 39 05 31 09 22 13 14 17 21 8.0 0.4 5 0939+1927 SAT APR 12 18 45 19 37 20 10 04 14 04 05 04 38 05 29 09 27 13 18 17 23 7.9 0.0 0 1033+1437 SUN APR 13 18 46 19 38 20 11 04 45 04 03 04 36 05 28 09 32 13 22 17 25 7.9 0.0 0 1127+0849 MON APR 14 18 47 19 39 20 12 16 21 05 16 04 01 04 35 05 27 09 37 13 26 17 27 7.8 0.0 0 1221+0222 TUE APR 15 18 48 19 40 20 13 17 35 05 46 04 00 04 33 05 25 09 42 13 30 17 30 7.8 0.0 0 1315-0419 WED APR 16 18 49 19 41 20 15 18 50 06 19 03 58 04 31 05 24 09 48 13 34 17 32 7.7 0.0 0 1411-1050 THU APR 17 18 50 19 42 20 16 20 07 06 56 03 56 04 30 05 22 09 53 13 38 17 34 7.7 0.0 0 1509-1641 FRI APR 18 18 51 19 43 20 17 21 24 07 39 03 55 04 28 05 21 09 58 13 41 17 37 7.6 1.1 14 1609-2126 SAT APR 19 18 51 19 44 20 18 22 38 03 53 04 27 05 20 10 03 13 45 17 39 7.6 2.3 30 1711-2443 SUN APR 20 18 52 19 45 20 19 23 47 03 51 04 25 05 18 10 08 13 49 17 41 7.5 3.5 46 1814-2618 MON APR 21 18 53 19 46 20 21 00 46 03 50 04 24 05 17 10 14 13 53 17 44 7.5 4.4 59 1916-2610 TUE APR 22 18 54 19 47 20 22 01 36 03 48 04 22 05 16 10 19 13 57 17 46 7.4 5.2 70 2015-2430 WED APR 23 18 55 19 48 20 23 02 17 03 46 04 21 05 14 10 24 14 01 17 48 7.4 5.9 79 2110-2133 THU APR 24 18 56 19 50 20 24 02 50 03 45 04 20 05 13 10 29 14 05 17 51 7.4 6.4 87 2201-1739 FRI APR 25 18 57 19 51 20 26 03 19 03 43 04 18 05 12 10 34 14 09 17 53 7.3 6.9 94 2249-1304 SAT APR 26 18 58 19 52 20 27 03 44 03 42 04 17 05 11 10 39 14 13 17 56 7.2 7.2 100 2334-0803 SUN APR 27 18 59 19 53 20 28 04 08 03 40 04 15 05 09 10 44 14 17 17 58 7.2 7.2 100 0018-0248 MON APR 28 19 00 19 54 20 29 04 31 16 38 03 38 04 14 05 08 10 49 14 21 18 00 7.1 7.1 100 0100+0229 TUE APR 29 19 01 19 55 20 31 04 54 17 35 03 37 04 12 05 07 10 55 14 25 18 02 7.1 7.1 100 0143+0740 WED APR 30 19 02 19 56 20 32 05 19 18 32 03 35 04 11 05 06 11 00 14 29 18 04 7.1 7.1 100 0227+1235 ONE LINE REFERS TO EVENING DATE NEW MOON APR 01 19:20 UT AND FOLLOWING MORNING. FIRST QUARTER APR 09 23:44 UT All dates and times are zone PST FULL MOON APR 16 19:37 UT in upper table (except sid time). LAST QUARTER APR 23 12:21 UT