KECK OBSERVATORY CALENDAR FOR 1999 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) 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 MON NOV 01 17 58 18 37 19 03 01 37 05 09 05 35 06 13 21 25 02 23 07 33 10.1 6.6 65 1027+1158 TUE NOV 02 17 58 18 36 19 02 02 31 05 09 05 35 06 13 21 28 02 27 07 37 10.1 7.5 73 1118+0756 WED NOV 03 17 57 18 36 19 02 03 24 05 09 05 35 06 14 21 32 02 31 07 41 10.1 8.4 82 1206+0336 THU NOV 04 17 57 18 35 19 01 04 15 16 12 05 10 05 36 06 14 21 35 02 35 07 46 10.2 9.2 90 1253-0049 FRI NOV 05 17 56 18 35 19 01 05 05 16 49 05 10 05 36 06 15 21 39 02 39 07 50 10.2 10.1 99 1339-0508 SAT NOV 06 17 56 18 35 19 01 05 55 17 27 05 10 05 37 06 15 21 43 02 43 07 54 10.2 10.2 100 1426-0912 SUN NOV 07 17 56 18 34 19 00 06 45 18 05 05 11 05 37 06 16 21 46 02 47 07 59 10.2 10.2 100 1513-1251 MON NOV 08 17 55 18 34 19 00 07 35 18 45 05 11 05 37 06 16 21 50 02 51 08 03 10.2 10.2 100 1600-1557 TUE NOV 09 17 55 18 34 19 00 19 26 05 12 05 38 06 17 21 54 02 55 08 07 10.2 9.8 95 1649-1822 WED NOV 10 17 55 18 33 19 00 20 10 05 12 05 38 06 17 21 58 02 59 08 11 10.2 9.0 88 1739-1959 THU NOV 11 17 54 18 33 18 59 20 56 05 13 05 39 06 18 22 01 03 02 08 16 10.2 8.3 80 1829-2045 FRI NOV 12 17 54 18 33 18 59 21 44 05 13 05 39 06 18 22 05 03 06 08 20 10.2 7.5 73 1920-2035 SAT NOV 13 17 54 18 33 18 59 22 34 05 14 05 40 06 19 22 09 03 10 08 25 10.2 6.7 65 2010-1930 SUN NOV 14 17 53 18 33 18 59 23 26 05 14 05 40 06 20 22 13 03 14 08 29 10.2 5.8 56 2101-1730 MON NOV 15 17 53 18 32 18 59 00 18 05 14 05 41 06 20 22 16 03 18 08 33 10.2 4.9 48 2151-1440 TUE NOV 16 17 53 18 32 18 59 01 12 05 15 05 41 06 21 22 20 03 22 08 38 10.3 4.0 39 2241-1104 WED NOV 17 17 53 18 32 18 59 02 06 05 15 05 42 06 21 22 24 03 26 08 42 10.3 3.2 30 2332-0650 THU NOV 18 17 53 18 32 18 58 03 03 05 16 05 42 06 22 22 27 03 30 08 47 10.3 2.2 21 0023-0206 FRI NOV 19 17 52 18 32 18 58 04 01 05 16 05 43 06 22 22 31 03 34 08 51 10.3 1.2 12 0116+0254 SAT NOV 20 17 52 18 32 18 58 05 02 05 17 05 43 06 23 22 35 03 38 08 56 10.3 0.2 2 0211+0754 SUN NOV 21 17 52 18 32 18 58 16 41 06 06 05 17 05 44 06 24 22 39 03 42 09 00 10.3 0.0 0 0309+1234 MON NOV 22 17 52 18 32 18 58 17 32 07 12 05 18 05 44 06 24 22 43 03 46 09 05 10.3 0.0 0 0410+1628 TUE NOV 23 17 52 18 32 18 58 18 27 05 18 05 45 06 25 22 47 03 50 09 09 10.3 0.0 0 0513+1916 WED NOV 24 17 52 18 32 18 58 19 26 05 19 05 46 06 25 22 51 03 54 09 14 10.3 0.5 4 0617+2041 THU NOV 25 17 52 18 32 18 58 20 28 05 19 05 46 06 26 22 55 03 58 09 18 10.3 1.5 14 0720+2037 FRI NOV 26 17 52 18 32 18 59 21 31 05 20 05 47 06 27 23 00 04 02 09 23 10.3 2.5 24 0822+1911 SAT NOV 27 17 52 18 32 18 59 22 33 05 20 05 47 06 27 23 04 04 06 09 26 10.3 3.6 34 0920+1636 SUN NOV 28 17 52 18 32 18 59 23 31 05 21 05 48 06 28 23 08 04 10 09 31 10.4 4.5 43 1015+1309 MON NOV 29 17 52 18 32 18 59 00 27 05 22 05 48 06 28 23 12 04 13 09 36 10.4 5.5 52 1106+0909 TUE NOV 30 17 52 18 32 18 59 01 21 05 22 05 49 06 29 23 16 04 17 09 40 10.4 6.4 61 1155+0449 ONE LINE REFERS TO EVENING DATE NEW MOON NOV 08 03:54 UT AND FOLLOWING MORNING. FIRST QUARTER NOV 16 09:07 UT All dates and times are zone HST FULL MOON NOV 23 07:08 UT in upper table (except sid time). LAST QUARTER NOV 29 23:20 UT