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 THU APR 01 18 35 19 26 19 57 19 18 07 12 04 23 04 55 05 45 08 31 12 34 16 58 8.4 0.0 0 1349-0614 FRI APR 02 18 36 19 27 19 59 20 13 07 43 04 22 04 53 05 44 08 37 12 38 17 01 8.4 0.2 2 1435-0956 SAT APR 03 18 37 19 28 20 00 21 09 04 20 04 52 05 42 08 42 12 42 17 03 8.3 1.1 13 1521-1313 SUN APR 04 18 38 19 29 20 01 22 03 04 18 04 50 05 41 08 47 12 46 17 05 8.3 2.0 24 1609-1557 MON APR 05 18 39 19 30 20 02 22 57 04 16 04 49 05 40 08 51 12 50 17 07 8.2 2.9 35 1658-1801 TUE APR 06 18 40 19 31 20 03 23 49 04 15 04 47 05 38 08 56 12 54 17 10 8.2 3.8 45 1748-1919 WED APR 07 18 41 19 32 20 04 00 40 04 13 04 45 05 37 09 01 12 58 17 12 8.1 4.6 56 1839-1945 THU APR 08 18 41 19 33 20 05 01 28 04 11 04 44 05 35 09 06 13 02 17 14 8.1 5.4 66 1931-1917 FRI APR 09 18 42 19 34 20 06 02 13 04 10 04 42 05 34 09 11 13 06 17 17 8.1 6.1 75 2023-1751 SAT APR 10 18 43 19 35 20 07 02 55 04 08 04 41 05 32 09 16 13 10 17 18 8.0 6.8 84 2116-1529 SUN APR 11 18 44 19 36 20 09 03 35 04 06 04 39 05 31 09 22 13 14 17 20 8.0 7.4 93 2210-1214 MON APR 12 18 45 19 37 20 10 04 13 04 05 04 38 05 29 09 27 13 18 17 23 7.9 7.9 100 2304-0811 TUE APR 13 18 46 19 38 20 11 04 50 16 11 04 03 04 36 05 28 09 32 13 22 17 25 7.9 7.9 100 2358-0333 WED APR 14 18 47 19 39 20 12 05 27 17 21 04 01 04 35 05 27 09 37 13 26 17 27 7.8 7.8 100 0054+0124 THU APR 15 18 48 19 40 20 13 06 06 18 32 04 00 04 33 05 25 09 42 13 30 17 30 7.8 7.8 100 0150+0623 FRI APR 16 18 49 19 41 20 15 06 48 19 44 03 58 04 31 05 24 09 48 13 33 17 32 7.7 7.7 100 0249+1101 SAT APR 17 18 50 19 42 20 16 07 33 20 56 03 56 04 30 05 22 09 53 13 37 17 34 7.7 7.0 91 0348+1455 SUN APR 18 18 51 19 43 20 17 22 07 03 55 04 28 05 21 09 58 13 41 17 37 7.6 5.8 75 0449+1748 MON APR 19 18 51 19 44 20 18 23 13 03 53 04 27 05 20 10 03 13 45 17 39 7.6 4.7 61 0551+1928 TUE APR 20 18 52 19 45 20 19 00 14 03 51 04 25 05 18 10 08 13 49 17 41 7.5 3.6 48 0651+1950 WED APR 21 18 53 19 46 20 21 01 07 03 50 04 24 05 17 10 14 13 53 17 44 7.5 2.7 36 0750+1859 THU APR 22 18 54 19 47 20 22 01 54 03 48 04 22 05 16 10 19 13 57 17 46 7.4 1.9 25 0846+1704 FRI APR 23 18 55 19 48 20 23 02 34 03 46 04 21 05 14 10 23 14 01 17 48 7.4 1.2 16 0939+1418 SAT APR 24 18 56 19 50 20 24 03 10 03 45 04 20 05 13 10 28 14 05 17 51 7.4 0.6 7 1030+1053 SUN APR 25 18 57 19 51 20 26 03 43 03 43 04 18 05 12 10 34 14 09 17 53 7.3 0.0 0 1118+0703 MON APR 26 18 58 19 52 20 27 04 14 03 42 04 17 05 11 10 39 14 13 17 56 7.2 0.0 0 1205+0258 TUE APR 27 18 59 19 53 20 28 16 15 04 44 03 40 04 15 05 09 10 44 14 17 17 57 7.2 0.0 0 1251-0109 WED APR 28 19 00 19 54 20 29 17 11 05 14 03 38 04 14 05 08 10 49 14 21 17 59 7.1 0.0 0 1337-0512 THU APR 29 19 01 19 55 20 31 18 07 05 44 03 37 04 12 05 07 10 55 14 25 18 02 7.1 0.0 0 1422-0901 FRI APR 30 19 02 19 56 20 32 19 02 06 17 03 35 04 11 05 06 11 00 14 29 18 04 7.1 0.0 0 1509-1228 ONE LINE REFERS TO EVENING DATE LAST QUARTER APR 09 02:54 UT AND FOLLOWING MORNING. NEW MOON APR 16 04:23 UT All dates and times are zone PST FIRST QUARTER APR 22 19:04 UT in upper table (except sid time). FULL MOON APR 30 14:57 UT