LICK OBSERVATORY CALENDAR FOR 1998 -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 1998 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE DEC 01 16 57 17 50 18 22 05 49 05 30 06 01 06 55 22 58 04 37 10 08 11.1 0.0 0 0321+1317 WED DEC 02 16 57 17 50 18 22 16 28 07 00 05 31 06 02 06 56 23 02 04 41 10 13 11.1 0.0 0 0422+1634 THU DEC 03 16 56 17 50 18 22 17 19 05 31 06 03 06 57 23 06 04 45 10 17 11.1 0.0 0 0524+1841 FRI DEC 04 16 56 17 50 18 22 18 16 05 32 06 04 06 57 23 10 04 49 10 22 11.2 0.0 0 0627+1930 SAT DEC 05 16 56 17 50 18 22 19 16 05 33 06 05 06 58 23 14 04 53 10 27 11.2 0.9 8 0727+1902 SUN DEC 06 16 56 17 50 18 22 20 18 05 34 06 05 06 59 23 18 04 57 10 32 11.2 1.9 17 0825+1724 MON DEC 07 16 56 17 50 18 22 21 21 05 34 06 06 07 00 23 22 05 01 10 36 11.2 3.0 26 0920+1452 TUE DEC 08 16 56 17 50 18 22 22 22 05 35 06 07 07 01 23 26 05 05 10 41 11.2 4.0 35 1012+1140 WED DEC 09 16 56 17 50 18 22 23 20 05 36 06 08 07 02 23 30 05 09 10 46 11.2 5.0 44 1101+0802 THU DEC 10 16 56 17 50 18 22 00 17 05 37 06 08 07 02 23 34 05 13 10 51 11.2 5.9 52 1148+0408 FRI DEC 11 16 57 17 51 18 22 01 13 05 37 06 09 07 03 23 38 05 17 10 55 11.2 6.8 60 1233+0009 SAT DEC 12 16 57 17 51 18 23 02 08 05 38 06 10 07 04 23 43 05 21 11 00 11.2 7.8 68 1318-0347 SUN DEC 13 16 57 17 51 18 23 03 03 05 39 06 10 07 05 23 47 05 25 11 05 11.3 8.7 76 1403-0734 MON DEC 14 16 57 17 51 18 23 03 57 05 39 06 11 07 05 23 51 05 29 11 08 11.3 9.6 84 1449-1103 TUE DEC 15 16 57 17 52 18 23 04 52 05 40 06 12 07 06 23 55 05 32 11 13 11.3 10.5 92 1536-1407 WED DEC 16 16 58 17 52 18 24 05 47 05 41 06 12 07 07 23 59 05 36 11 18 11.3 11.3 100 1624-1638 THU DEC 17 16 58 17 52 18 24 06 42 16 30 05 41 06 13 07 07 00 03 05 40 11 22 11.3 11.3 100 1714-1826 FRI DEC 18 16 58 17 53 18 25 07 34 17 14 05 42 06 14 07 08 00 08 05 44 11 27 11.3 11.3 100 1806-1925 SAT DEC 19 16 59 17 53 18 25 18 03 05 42 06 14 07 09 00 12 05 48 11 31 11.3 11.3 100 1859-1929 SUN DEC 20 16 59 17 54 18 25 18 57 05 43 06 15 07 09 00 16 05 52 11 36 11.3 10.8 95 1952-1834 MON DEC 21 17 00 17 54 18 26 19 54 05 43 06 15 07 10 00 21 05 56 11 40 11.3 9.8 87 2046-1642 TUE DEC 22 17 00 17 55 18 26 20 55 05 44 06 16 07 10 00 25 06 00 11 45 11.3 8.8 78 2139-1358 WED DEC 23 17 01 17 55 18 27 21 56 05 44 06 16 07 11 00 30 06 04 11 49 11.3 7.8 69 2231-1028 THU DEC 24 17 01 17 56 18 27 23 00 05 45 06 17 07 11 00 34 06 08 11 54 11.3 6.8 59 2323-0622 FRI DEC 25 17 02 17 56 18 28 00 05 05 45 06 17 07 11 00 39 06 12 11 58 11.3 5.7 50 0015-0153 SAT DEC 26 17 02 17 57 18 29 01 11 05 46 06 17 07 12 00 44 06 16 12 03 11.3 4.6 40 0108+0247 SUN DEC 27 17 03 17 57 18 29 02 18 05 46 06 18 07 12 00 48 06 20 12 07 11.3 3.5 30 0202+0724 MON DEC 28 17 04 17 58 18 30 03 28 05 46 06 18 07 12 00 53 06 24 12 11 11.3 2.3 20 0258+1139 TUE DEC 29 17 04 17 59 18 30 04 37 05 47 06 18 07 13 00 57 06 28 12 16 11.3 1.2 10 0357+1515 WED DEC 30 17 05 17 59 18 31 05 45 05 47 06 19 07 13 01 02 06 32 12 20 11.3 0.0 0 0457+1753 THU DEC 31 17 06 18 00 18 32 06 50 05 47 06 19 07 13 01 07 06 36 12 24 11.3 0.0 0 0559+1920 ONE LINE REFERS TO EVENING DATE FULL MOON DEC 03 15:24 UT AND FOLLOWING MORNING. LAST QUARTER DEC 10 17:57 UT All dates and times are zone PST NEW MOON DEC 18 22:47 UT in upper table (except sid time). FIRST QUARTER DEC 26 10:49 UT