LICK OBSERVATORY CALENDAR FOR 1999 -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 1999 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight WED DEC 01 16 57 17 50 18 22 01 54 05 30 06 01 06 55 22 57 04 36 10 07 11.1 7.5 67 1235+0107 THU DEC 02 16 57 17 50 18 22 02 52 05 31 06 02 06 56 23 01 04 40 10 12 11.1 8.5 76 1321-0316 FRI DEC 03 16 56 17 50 18 22 03 49 05 31 06 03 06 57 23 05 04 44 10 16 11.1 9.4 84 1407-0728 SAT DEC 04 16 56 17 50 18 22 04 45 05 32 06 04 06 57 23 09 04 48 10 21 11.2 10.4 92 1453-1119 SUN DEC 05 16 56 17 50 18 22 05 41 05 33 06 05 06 58 23 13 04 52 10 26 11.2 11.2 100 1540-1441 MON DEC 06 16 56 17 50 18 22 06 36 16 33 05 34 06 05 06 59 23 17 04 56 10 31 11.2 11.2 100 1628-1727 TUE DEC 07 16 56 17 50 18 22 07 30 17 11 05 34 06 06 07 00 23 21 05 00 10 35 11.2 11.2 100 1717-1928 WED DEC 08 16 56 17 50 18 22 17 54 05 35 06 07 07 01 23 25 05 04 10 40 11.2 11.2 100 1807-2039 THU DEC 09 16 56 17 50 18 22 18 40 05 36 06 08 07 02 23 29 05 08 10 45 11.2 10.9 97 1858-2055 FRI DEC 10 16 56 17 50 18 22 19 30 05 37 06 08 07 02 23 33 05 12 10 50 11.2 10.1 89 1949-2015 SAT DEC 11 16 57 17 51 18 22 20 24 05 37 06 09 07 03 23 37 05 16 10 54 11.2 9.2 81 2039-1841 SUN DEC 12 16 57 17 51 18 23 21 20 05 38 06 10 07 04 23 42 05 20 10 59 11.2 8.3 73 2129-1614 MON DEC 13 16 57 17 51 18 23 22 18 05 39 06 10 07 05 23 46 05 24 11 04 11.3 7.4 65 2219-1302 TUE DEC 14 16 57 17 51 18 23 23 17 05 39 06 11 07 05 23 50 05 28 11 08 11.3 6.4 56 2308-0911 WED DEC 15 16 57 17 52 18 23 00 18 05 40 06 12 07 06 23 54 05 32 11 12 11.3 5.4 47 2357-0448 THU DEC 16 16 58 17 52 18 24 01 22 05 41 06 12 07 07 23 59 05 35 11 17 11.3 4.3 38 0047-0004 FRI DEC 17 16 58 17 52 18 24 02 28 05 41 06 13 07 07 00 02 05 39 11 21 11.3 3.2 28 0139+0450 SAT DEC 18 16 58 17 53 18 25 03 37 05 42 06 14 07 08 00 07 05 43 11 26 11.3 2.1 18 0233+0938 SUN DEC 19 16 59 17 53 18 25 04 48 05 42 06 14 07 09 00 11 05 47 11 30 11.3 0.9 7 0331+1401 MON DEC 20 16 59 17 54 18 25 06 01 05 43 06 15 07 09 00 15 05 51 11 35 11.3 0.0 0 0432+1736 TUE DEC 21 17 00 17 54 18 26 16 13 07 12 05 43 06 15 07 10 00 20 05 55 11 39 11.3 0.0 0 0535+1959 WED DEC 22 17 00 17 55 18 26 17 11 05 44 06 16 07 10 00 24 05 59 11 44 11.3 0.0 0 0641+2055 THU DEC 23 17 01 17 55 18 27 18 16 05 44 06 16 07 11 00 29 06 03 11 48 11.3 0.0 0 0745+2020 FRI DEC 24 17 01 17 56 18 27 19 24 05 45 06 17 07 11 00 33 06 07 11 53 11.3 0.9 8 0848+1821 SAT DEC 25 17 02 17 56 18 28 20 33 05 45 06 17 07 11 00 38 06 11 11 57 11.3 2.1 18 0946+1515 SUN DEC 26 17 02 17 57 18 29 21 40 05 46 06 17 07 12 00 43 06 15 12 02 11.3 3.2 28 1041+1122 MON DEC 27 17 03 17 57 18 29 22 44 05 46 06 18 07 12 00 47 06 19 12 06 11.3 4.2 37 1133+0702 TUE DEC 28 17 04 17 58 18 30 23 46 05 46 06 18 07 12 00 52 06 23 12 10 11.3 5.3 46 1222+0231 WED DEC 29 17 04 17 59 18 30 00 45 05 47 06 18 07 13 00 56 06 27 12 15 11.3 6.2 55 1309-0158 THU DEC 30 17 05 17 59 18 31 01 43 05 47 06 19 07 13 01 01 06 31 12 19 11.3 7.2 63 1355-0617 FRI DEC 31 17 06 18 00 18 32 02 39 05 47 06 19 07 13 01 06 06 35 12 23 11.3 8.1 72 1442-1016 ONE LINE REFERS TO EVENING DATE NEW MOON DEC 07 22:34 UT AND FOLLOWING MORNING. FIRST QUARTER DEC 16 00:54 UT All dates and times are zone PST FULL MOON DEC 22 17:35 UT in upper table (except sid time). LAST QUARTER DEC 29 14:07 UT