LICK OBSERVATORY CALENDAR FOR 2010 -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 2010 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 THU APR 01 18 35 19 26 19 57 21 53 07 57 04 23 04 55 05 45 08 32 12 36 16 59 8.4 1.9 22 1529-2338 73 FRI APR 02 18 36 19 27 19 59 22 57 08 47 04 22 04 53 05 44 08 38 12 40 17 02 8.4 3.0 35 1626-2523 82 SAT APR 03 18 37 19 28 20 00 23 54 04 20 04 52 05 42 08 43 12 44 17 04 8.3 3.9 46 1721-2518 >90 SUN APR 04 18 38 19 29 20 01 00 43 04 18 04 50 05 41 08 48 12 47 17 06 8.3 4.7 56 1819-2505 >90 MON APR 05 18 39 19 30 20 02 01 25 04 16 04 49 05 40 08 53 12 51 17 08 8.2 5.4 65 1911-2306 >90 TUE APR 06 18 40 19 31 20 03 02 01 04 15 04 47 05 38 08 58 12 55 17 11 8.2 6.0 72 2001-2010 >90 WED APR 07 18 41 19 32 20 04 02 33 04 13 04 45 05 37 09 03 12 59 17 13 8.1 6.5 79 2048-1628 >90 THU APR 08 18 41 19 33 20 05 03 00 04 11 04 44 05 35 09 08 13 03 17 15 8.1 6.9 85 2133-1210 >90 FRI APR 09 18 42 19 34 20 06 03 26 04 10 04 42 05 34 09 13 13 07 17 18 8.1 7.3 90 2217-0728 >90 SAT APR 10 18 43 19 35 20 07 03 50 04 08 04 41 05 32 09 17 13 11 17 20 8.0 7.7 96 2300-0229 >90 SUN APR 11 18 44 19 36 20 09 04 15 16 25 04 06 04 39 05 31 09 23 13 15 17 22 8.0 8.0 100 2343 0237 >90 MON APR 12 18 45 19 37 20 10 04 41 17 24 04 05 04 38 05 29 09 28 13 19 17 25 7.9 7.9 100 0028 0740 >90 TUE APR 13 18 46 19 38 20 11 05 09 18 24 04 03 04 36 05 28 09 33 13 23 17 27 7.9 7.9 100 0114 1228 >90 WED APR 14 18 47 19 39 20 12 05 42 19 27 04 01 04 35 05 27 09 38 13 27 17 29 7.8 7.8 100 0203 1648 >90 THU APR 15 18 48 19 40 20 13 06 20 20 32 04 00 04 33 05 25 09 43 13 31 17 32 7.8 7.5 95 0255 2024 >90 FRI APR 16 18 49 19 41 20 15 07 06 21 37 03 58 04 31 05 24 09 49 13 35 17 33 7.7 6.3 82 0351 2300 >90 SAT APR 17 18 50 19 42 20 16 07 59 22 39 03 56 04 30 05 22 09 54 13 39 17 35 7.7 5.3 68 0448 2420 >90 SUN APR 18 18 51 19 43 20 17 23 37 03 55 04 28 05 21 09 59 13 43 17 38 7.6 4.3 56 0548 2414 >90 MON APR 19 18 51 19 44 20 18 00 28 03 53 04 27 05 20 10 04 13 47 17 40 7.6 3.4 45 0648 2227 87 TUE APR 20 18 52 19 45 20 19 01 12 03 51 04 25 05 18 10 09 13 51 17 42 7.5 2.6 35 0746 1932 79 WED APR 21 18 53 19 46 20 21 01 50 03 50 04 24 05 17 10 15 13 55 17 45 7.5 2.0 26 0843 1517 71 THU APR 22 18 54 19 47 20 22 02 23 03 48 04 22 05 16 10 20 13 58 17 47 7.4 1.4 19 0937 1004 64 FRI APR 23 18 55 19 48 20 23 02 54 03 46 04 21 05 14 10 25 14 02 17 49 7.4 0.9 11 1031 0412 59 SAT APR 24 18 56 19 50 20 24 03 25 03 45 04 20 05 13 10 30 14 06 17 52 7.4 0.3 4 1123-0158 54 SUN APR 25 18 57 19 51 20 26 16 02 03 56 03 43 04 18 05 12 10 36 14 10 17 54 7.3 0.0 0 1216-0803 53 MON APR 26 18 58 19 52 20 27 17 12 04 29 03 42 04 17 05 11 10 41 14 14 17 57 7.2 0.0 0 1311-1343 53 TUE APR 27 18 59 19 53 20 28 18 23 05 06 03 40 04 15 05 09 10 46 14 18 17 59 7.2 0.0 0 1406-1836 56 WED APR 28 19 00 19 54 20 29 19 32 05 48 03 38 04 14 05 08 10 51 14 22 18 01 7.1 0.0 0 1504-2223 60 THU APR 29 19 01 19 55 20 31 20 38 06 35 03 37 04 12 05 07 10 56 14 26 18 04 7.1 0.1 1 1602-2451 66 FRI APR 30 19 02 19 56 20 32 21 39 07 28 03 35 04 11 05 06 11 01 14 30 18 06 7.1 1.1 15 1701-2553 72 ONE LINE REFERS TO EVENING DATE LAST QUARTER Apr 06 09:37 UT AND FOLLOWING MORNING. NEW MOON Apr 14 12:31 UT All dates and times are zone PST FIRST QUARTER Apr 21 18:20 UT in upper table (except sid time). FULL MOON Apr 28 12:20 UT