LICK OBSERVATORY CALENDAR FOR 2001 -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 2001 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SUN APR 01 18 35 19 26 19 57 02 35 04 23 04 55 05 45 08 33 12 36 17 00 8.4 1.8 21 0745+2226 MON APR 02 18 36 19 27 19 59 03 25 04 22 04 53 05 44 08 39 12 40 17 03 8.4 1.0 11 0845+2026 TUE APR 03 18 37 19 28 20 00 04 09 04 20 04 52 05 42 08 44 12 44 17 05 8.3 0.2 2 0945+1706 WED APR 04 18 38 19 29 20 01 04 48 04 18 04 50 05 41 08 49 12 48 17 07 8.3 0.0 0 1042+1240 THU APR 05 18 39 19 30 20 02 05 23 04 16 04 49 05 40 08 53 12 52 17 09 8.2 0.0 0 1138+0730 FRI APR 06 18 40 19 31 20 03 17 06 05 57 04 15 04 47 05 38 08 58 12 56 17 12 8.2 0.0 0 1232+0155 SAT APR 07 18 41 19 32 20 04 18 15 06 29 04 13 04 45 05 37 09 03 13 00 17 14 8.1 0.0 0 1325-0340 SUN APR 08 18 41 19 33 20 05 19 24 07 02 04 11 04 44 05 35 09 08 13 04 17 16 8.1 0.0 0 1417-0859 MON APR 09 18 42 19 34 20 06 20 30 07 38 04 10 04 42 05 34 09 13 13 08 17 19 8.1 0.4 4 1510-1343 TUE APR 10 18 43 19 35 20 07 21 35 04 08 04 41 05 32 09 18 13 12 17 21 8.0 1.5 18 1603-1737 WED APR 11 18 44 19 36 20 09 22 38 04 06 04 39 05 31 09 24 13 16 17 22 8.0 2.5 31 1656-2033 THU APR 12 18 45 19 37 20 10 23 36 04 05 04 38 05 29 09 29 13 20 17 25 7.9 3.4 43 1750-2223 FRI APR 13 18 46 19 38 20 11 00 30 04 03 04 36 05 28 09 34 13 24 17 27 7.9 4.3 54 1843-2306 SAT APR 14 18 47 19 39 20 12 01 18 04 01 04 35 05 27 09 39 13 28 17 29 7.8 5.1 65 1935-2243 SUN APR 15 18 48 19 40 20 13 02 01 04 00 04 33 05 25 09 44 13 32 17 32 7.8 5.8 74 2026-2119 MON APR 16 18 49 19 41 20 15 02 39 03 58 04 31 05 24 09 50 13 36 17 34 7.7 6.4 82 2116-1859 TUE APR 17 18 50 19 42 20 16 03 13 03 56 04 30 05 22 09 55 13 39 17 36 7.7 7.0 90 2204-1552 WED APR 18 18 51 19 43 20 17 03 44 03 55 04 28 05 21 10 00 13 43 17 39 7.6 7.5 97 2250-1204 THU APR 19 18 51 19 44 20 18 04 12 03 53 04 27 05 20 10 05 13 47 17 41 7.6 7.6 100 2336-0744 FRI APR 20 18 52 19 45 20 19 04 40 16 10 03 51 04 25 05 18 10 10 13 51 17 43 7.5 7.5 100 0022-0301 SAT APR 21 18 53 19 46 20 21 05 08 17 10 03 50 04 24 05 17 10 16 13 55 17 46 7.5 7.5 100 0108+0154 SUN APR 22 18 54 19 47 20 22 05 37 18 10 03 48 04 22 05 16 10 21 13 59 17 48 7.4 7.4 100 0156+0652 MON APR 23 18 55 19 48 20 23 06 09 19 13 03 46 04 21 05 14 10 26 14 03 17 50 7.4 7.4 100 0245+1138 TUE APR 24 18 56 19 50 20 24 06 45 20 18 03 45 04 20 05 13 10 30 14 07 17 53 7.4 7.4 100 0337+1556 WED APR 25 18 57 19 51 20 26 07 26 21 25 03 43 04 18 05 12 10 36 14 11 17 55 7.3 6.3 86 0432+1928 THU APR 26 18 58 19 52 20 27 22 31 03 42 04 17 05 11 10 41 14 15 17 58 7.2 5.2 71 0530+2157 FRI APR 27 18 59 19 53 20 28 23 34 03 40 04 15 05 09 10 46 14 19 17 59 7.2 4.1 56 0630+2310 SAT APR 28 19 00 19 54 20 29 00 32 03 38 04 14 05 08 10 51 14 23 18 01 7.1 3.1 43 0731+2256 SUN APR 29 19 01 19 55 20 31 01 24 03 37 04 12 05 07 10 57 14 27 18 04 7.1 2.2 31 0831+2115 MON APR 30 19 02 19 56 20 32 02 09 03 35 04 11 05 06 11 02 14 31 18 06 7.1 1.4 20 0930+1815 ONE LINE REFERS TO EVENING DATE FIRST QUARTER APR 01 10:52 UT AND FOLLOWING MORNING. FULL MOON APR 08 03:26 UT All dates and times are zone PST LAST QUARTER APR 15 15:35 UT in upper table (except sid time). NEW MOON APR 23 15:30 UT FIRST QUARTER APR 30 17:10 UT