LICK OBSERVATORY CALENDAR FOR 1998 -NAUTICAL (computed for altitude 1283.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 1998 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight WED APR 01 18 35 19 26 19 57 00 03 04 23 04 55 05 45 08 01 12 35 17 31 9.5 4.9 51 0533+1812 THU APR 02 18 36 19 27 19 59 00 59 04 22 04 53 05 44 08 05 12 39 17 33 9.4 3.9 41 0630+1836 FRI APR 03 18 37 19 28 20 00 01 49 04 20 04 52 05 42 08 10 12 43 17 36 9.4 3.1 32 0724+1758 SAT APR 04 18 38 19 29 20 01 02 34 04 18 04 50 05 41 08 15 12 47 17 38 9.3 2.3 24 0817+1626 SUN APR 05 18 39 19 30 20 02 03 13 04 16 04 49 05 40 08 20 12 51 17 41 9.3 1.6 17 0907+1410 MON APR 06 18 40 19 31 20 03 03 49 04 15 04 47 05 38 08 25 12 55 17 43 9.3 1.0 10 0956+1119 TUE APR 07 18 41 19 32 20 04 04 21 04 13 04 45 05 37 08 30 12 59 17 45 9.2 0.4 4 1043+0801 WED APR 08 18 41 19 33 20 05 04 52 04 11 04 44 05 35 08 35 13 03 17 48 9.2 0.0 0 1128+0425 THU APR 09 18 42 19 34 20 06 16 43 05 23 04 10 04 42 05 34 08 40 13 07 17 50 9.1 0.0 0 1213+0041 FRI APR 10 18 43 19 35 20 07 17 38 05 53 04 08 04 41 05 32 08 45 13 11 17 53 9.1 0.0 0 1258-0304 SAT APR 11 18 44 19 36 20 09 18 32 06 24 04 06 04 39 05 31 08 50 13 15 17 54 9.0 0.0 0 1344-0644 SUN APR 12 18 45 19 37 20 10 19 27 06 56 04 05 04 38 05 29 08 55 13 19 17 57 9.0 0.0 0 1430-1009 MON APR 13 18 46 19 38 20 11 20 22 07 32 04 03 04 36 05 28 09 00 13 23 17 59 9.0 0.7 8 1517-1310 TUE APR 14 18 47 19 39 20 12 21 17 04 01 04 35 05 27 09 05 13 27 18 02 8.9 1.6 18 1606-1540 WED APR 15 18 48 19 40 20 13 22 12 04 00 04 33 05 25 09 10 13 30 18 04 8.9 2.5 28 1656-1730 THU APR 16 18 49 19 41 20 15 23 06 03 58 04 31 05 24 09 15 13 34 18 06 8.8 3.4 38 1748-1831 FRI APR 17 18 50 19 42 20 16 23 57 03 56 04 30 05 22 09 20 13 38 18 09 8.8 4.2 48 1842-1838 SAT APR 18 18 51 19 43 20 17 00 47 03 55 04 28 05 21 09 25 13 42 18 11 8.7 5.1 57 1936-1748 SUN APR 19 18 51 19 44 20 18 01 33 03 53 04 27 05 20 09 30 13 46 18 14 8.7 5.8 66 2031-1558 MON APR 20 18 52 19 45 20 19 02 17 03 51 04 25 05 18 09 34 13 50 18 16 8.7 6.5 75 2127-1312 TUE APR 21 18 53 19 46 20 21 02 58 03 50 04 24 05 17 09 39 13 54 18 19 8.6 7.2 83 2223-0936 WED APR 22 18 54 19 47 20 22 03 38 03 48 04 22 05 16 09 44 13 58 18 21 8.6 7.9 91 2319-0518 THU APR 23 18 55 19 48 20 23 04 17 03 46 04 21 05 14 09 49 14 02 18 24 8.6 8.5 99 0015-0035 FRI APR 24 18 56 19 50 20 24 04 57 17 07 03 45 04 20 05 13 09 55 14 06 18 27 8.5 8.5 100 0113+0413 SAT APR 25 18 57 19 51 20 26 05 39 18 19 03 43 04 18 05 12 10 00 14 10 18 29 8.4 8.4 100 0211+0849 SUN APR 26 18 58 19 52 20 27 06 23 19 31 03 42 04 17 05 11 10 05 14 14 18 32 8.4 8.4 100 0310+1248 MON APR 27 18 59 19 53 20 28 07 11 20 41 03 40 04 15 05 09 10 10 14 18 18 33 8.4 7.6 90 0410+1555 TUE APR 28 19 00 19 54 20 29 21 47 03 38 04 14 05 08 10 15 14 22 18 36 8.3 6.5 77 0510+1755 WED APR 29 19 01 19 55 20 31 22 49 03 37 04 12 05 07 10 20 14 26 18 38 8.3 5.4 64 0609+1846 THU APR 30 19 02 19 56 20 32 23 43 03 35 04 11 05 06 10 25 14 30 18 41 8.3 4.5 54 0707+1829 ONE LINE REFERS TO EVENING DATE FIRST QUARTER APR 03 20:20 UT AND FOLLOWING MORNING. FULL MOON APR 11 22:27 UT All dates and times are zone PST LAST QUARTER APR 19 19:57 UT in upper table (except sid time). NEW MOON APR 26 11:43 UT