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 MON FEB 01 17 37 18 29 19 00 18 48 05 40 06 11 07 03 03 41 08 42 14 23 10.7 0.0 0 1023+1112 TUE FEB 02 17 38 18 30 19 01 19 49 05 40 06 10 07 02 03 46 08 46 14 27 10.7 0.8 7 1113+0723 WED FEB 03 17 39 18 31 19 02 20 48 05 39 06 10 07 01 03 51 08 50 14 30 10.6 1.8 16 1201+0319 THU FEB 04 17 40 18 32 19 02 21 46 05 38 06 09 07 00 03 55 08 54 14 32 10.6 2.7 25 1247-0047 FRI FEB 05 17 42 18 33 19 03 22 42 05 37 06 08 06 59 04 00 08 57 14 35 10.6 3.7 34 1333-0447 SAT FEB 06 17 43 18 34 19 04 23 37 05 37 06 07 06 58 04 05 09 01 14 39 10.5 4.5 43 1419-0833 SUN FEB 07 17 44 18 35 19 05 00 32 05 36 06 06 06 57 04 10 09 05 14 42 10.5 5.4 51 1505-1156 MON FEB 08 17 45 18 36 19 06 01 27 05 35 06 05 06 56 04 15 09 09 14 45 10.5 6.3 60 1552-1451 TUE FEB 09 17 46 18 37 19 07 02 21 05 34 06 04 06 55 04 19 09 13 14 48 10.4 7.2 69 1641-1709 WED FEB 10 17 47 18 38 19 08 03 15 05 33 06 04 06 54 04 24 09 17 14 51 10.4 8.1 77 1731-1844 THU FEB 11 17 48 18 39 19 09 04 07 05 32 06 03 06 53 04 29 09 21 14 54 10.4 9.0 86 1823-1928 FRI FEB 12 17 49 18 40 19 10 04 57 05 31 06 02 06 52 04 34 09 25 14 57 10.4 9.8 94 1917-1916 SAT FEB 13 17 50 18 41 19 11 05 45 05 30 06 01 06 51 04 39 09 29 15 00 10.3 10.3 100 2011-1803 SUN FEB 14 17 51 18 42 19 12 06 29 16 32 05 29 05 59 06 50 04 44 09 33 15 03 10.3 10.3 100 2106-1550 MON FEB 15 17 52 18 43 19 13 07 10 17 35 05 28 05 58 06 49 04 49 09 37 15 06 10.2 10.2 100 2201-1242 TUE FEB 16 17 53 18 44 19 14 07 48 18 40 05 27 05 57 06 48 04 54 09 41 15 09 10.2 10.2 100 2255-0848 WED FEB 17 17 54 18 45 19 15 19 46 05 26 05 56 06 46 04 59 09 45 15 12 10.2 9.7 94 2349-0421 THU FEB 18 17 55 18 46 19 16 20 53 05 25 05 55 06 45 05 04 09 49 15 15 10.2 8.5 84 0042+0021 FRI FEB 19 17 56 18 47 19 17 22 01 05 24 05 54 06 44 05 09 09 53 15 18 10.1 7.4 72 0136+0505 SAT FEB 20 17 57 18 48 19 18 23 09 05 23 05 53 06 43 05 14 09 57 15 21 10.1 6.2 61 0231+0931 SUN FEB 21 17 58 18 49 19 19 00 16 05 21 05 52 06 42 05 19 10 01 15 22 10.0 5.1 50 0327+1324 MON FEB 22 17 59 18 49 19 20 01 23 05 20 05 50 06 40 05 24 10 05 15 25 10.0 4.0 39 0424+1628 TUE FEB 23 18 00 18 50 19 21 02 27 05 19 05 49 06 39 05 29 10 08 15 28 10.0 2.9 28 0522+1832 WED FEB 24 18 01 18 51 19 22 03 27 05 18 05 48 06 38 05 34 10 12 15 31 9.9 1.9 18 0621+1929 THU FEB 25 18 02 18 52 19 23 04 21 05 16 05 47 06 36 05 39 10 16 15 33 9.9 0.9 9 0719+1914 FRI FEB 26 18 03 18 53 19 24 05 10 05 15 05 45 06 35 05 44 10 20 15 36 9.9 0.1 0 0816+1753 SAT FEB 27 18 04 18 54 19 24 05 54 05 14 05 44 06 34 05 47 10 24 15 39 9.8 0.0 0 0911+1533 SUN FEB 28 18 05 18 55 19 25 16 34 06 32 05 13 05 43 06 32 05 52 10 28 15 42 9.8 0.0 0 1004+1227 ONE LINE REFERS TO EVENING DATE LAST QUARTER FEB 08 12:01 UT AND FOLLOWING MORNING. NEW MOON FEB 16 06:41 UT All dates and times are zone PST FIRST QUARTER FEB 23 02:46 UT