LICK OBSERVATORY CALENDAR FOR 2012 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2012 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg SUN APR 01 18 36 19 27 19 59 03 07 04 22 04 53 05 44 08 36 12 38 17 00 8.4 1.3 14 0853 1158 56 MON APR 02 18 37 19 28 20 00 03 42 04 20 04 52 05 42 08 41 12 42 17 02 8.3 0.6 7 0946 0724 50 TUE APR 03 18 38 19 29 20 01 04 16 04 18 04 50 05 41 08 46 12 46 17 04 8.3 0.0 0 1040 0216 45 WED APR 04 18 39 19 30 20 02 16 26 04 50 04 16 04 49 05 40 08 51 12 50 17 06 8.2 0.0 0 1134-0312 44 THU APR 05 18 40 19 31 20 03 17 38 05 27 04 15 04 47 05 38 08 56 12 53 17 09 8.2 0.0 0 1231-0839 46 FRI APR 06 18 41 19 32 20 04 18 50 06 08 04 13 04 45 05 37 09 01 12 57 17 11 8.1 0.0 0 1330-1341 52 SAT APR 07 18 41 19 33 20 05 20 04 06 53 04 11 04 44 05 35 09 06 13 01 17 13 8.1 0.0 0 1431-1752 59 SUN APR 08 18 42 19 34 20 06 21 17 07 45 04 10 04 42 05 34 09 11 13 05 17 16 8.1 1.2 14 1534-2050 68 MON APR 09 18 43 19 35 20 07 22 25 08 42 04 08 04 41 05 32 09 16 13 09 17 18 8.0 2.3 28 1637-2215 77 TUE APR 10 18 44 19 36 20 09 23 26 04 06 04 39 05 31 09 22 13 13 17 20 8.0 3.3 41 1739-2210 87 WED APR 11 18 45 19 37 20 10 00 19 04 05 04 38 05 29 09 26 13 17 17 23 7.9 4.2 52 1840-2056 >90 THU APR 12 18 46 19 38 20 11 01 05 04 03 04 36 05 28 09 31 13 21 17 25 7.9 4.9 62 1937-1825 >90 FRI APR 13 18 47 19 39 20 12 01 44 04 01 04 35 05 27 09 36 13 25 17 27 7.8 5.5 70 2030-1502 >90 SAT APR 14 18 48 19 40 20 13 02 18 04 00 04 33 05 25 09 41 13 29 17 30 7.8 6.1 78 2120-1104 >90 SUN APR 15 18 49 19 41 20 15 02 49 03 58 04 31 05 24 09 47 13 33 17 32 7.7 6.6 85 2208-0644 >90 MON APR 16 18 50 19 42 20 16 03 18 03 56 04 30 05 22 09 52 13 37 17 33 7.7 7.0 91 2254-0214 >90 TUE APR 17 18 51 19 43 20 17 03 46 03 55 04 28 05 21 09 57 13 41 17 36 7.6 7.5 98 2339 0215 >90 WED APR 18 18 51 19 44 20 18 04 14 16 50 03 53 04 27 05 20 10 02 13 45 17 38 7.6 7.6 100 0024 0634 >90 THU APR 19 18 52 19 45 20 19 04 44 17 47 03 51 04 25 05 18 10 07 13 49 17 40 7.5 7.5 100 0109 1034 >90 FRI APR 20 18 53 19 46 20 21 05 16 18 43 03 50 04 24 05 17 10 13 13 53 17 43 7.5 7.5 100 0155 1406 >90 SAT APR 21 18 54 19 47 20 22 05 51 19 40 03 48 04 22 05 16 10 18 13 57 17 45 7.4 7.4 100 0242 1702 >90 SUN APR 22 18 55 19 48 20 23 06 30 20 35 03 46 04 21 05 14 10 23 14 00 17 47 7.4 7.2 97 0331 1913 >90 MON APR 23 18 56 19 50 20 24 07 14 21 29 03 45 04 20 05 13 10 28 14 04 17 50 7.4 6.3 85 0420 2035 >90 TUE APR 24 18 57 19 51 20 26 08 03 22 19 03 43 04 18 05 12 10 34 14 08 17 52 7.3 5.4 74 0511 2101 >90 WED APR 25 18 58 19 52 20 27 08 56 23 06 03 42 04 17 05 11 10 39 14 12 17 55 7.2 4.6 63 0602 2028 >90 THU APR 26 18 59 19 53 20 28 23 49 03 40 04 15 05 09 10 44 14 16 17 57 7.2 3.8 53 0653 1856 >90 FRI APR 27 19 00 19 54 20 29 00 28 03 38 04 14 05 08 10 49 14 20 17 59 7.1 3.2 44 0745 1618 87 SAT APR 28 19 01 19 55 20 31 01 04 03 37 04 12 05 07 10 55 14 24 18 02 7.1 2.6 35 0835 1302 80 SUN APR 29 19 02 19 56 20 32 01 38 03 35 04 11 05 06 11 00 14 28 18 04 7.1 1.9 27 0926 0855 73 MON APR 30 19 02 19 57 20 33 02 11 03 34 04 10 05 05 11 04 14 32 18 07 7.0 1.4 19 1017 0411 67 ONE LINE REFERS TO EVENING DATE FULL MOON Apr 06 19:18 UT AND FOLLOWING MORNING. LAST QUARTER Apr 13 10:50 UT All dates and times are zone PST NEW MOON Apr 21 07:17 UT in upper table (except sid time). FIRST QUARTER Apr 29 09:59 UT