YALO OBSERVATORY CALENDAR FOR 1999 (computed for altitude 2210.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(CST) 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 FRI JAN 01 19 57 20 49 21 24 20 19 07 30 04 09 04 45 05 36 03 26 06 02 10 12 6.8 0.0 0 0740+1853 SAT JAN 02 19 57 20 49 21 25 21 10 04 10 04 46 05 37 03 31 06 06 10 17 6.8 0.0 0 0839+1702 SUN JAN 03 19 58 20 49 21 25 21 55 04 11 04 46 05 38 03 35 06 10 10 22 6.8 0.5 7 0934+1417 MON JAN 04 19 58 20 49 21 25 22 36 04 12 04 47 05 39 03 39 06 14 10 27 6.8 1.2 17 1026+1053 TUE JAN 05 19 58 20 49 21 25 23 13 04 13 04 48 05 39 03 43 06 18 10 32 6.8 1.8 26 1116+0704 WED JAN 06 19 58 20 49 21 25 23 47 04 14 04 49 05 40 03 46 06 22 10 37 6.8 2.4 34 1203+0303 THU JAN 07 19 58 20 49 21 25 00 20 04 15 04 50 05 41 03 50 06 26 10 42 6.8 2.9 42 1249-0100 FRI JAN 08 19 58 20 49 21 24 00 53 04 16 04 51 05 42 03 53 06 30 10 46 6.9 3.5 50 1334-0456 SAT JAN 09 19 58 20 49 21 24 01 26 04 17 04 52 05 43 03 57 06 34 10 51 6.9 4.0 58 1419-0840 SUN JAN 10 19 58 20 49 21 24 02 01 04 18 04 53 05 43 04 01 06 38 10 56 6.9 4.6 66 1505-1202 MON JAN 11 19 58 20 49 21 24 02 39 04 19 04 53 05 44 04 05 06 42 11 01 6.9 5.3 75 1552-1457 TUE JAN 12 19 58 20 49 21 24 03 20 16 40 04 20 04 54 05 45 04 09 06 46 11 06 6.9 5.9 85 1641-1715 WED JAN 13 19 58 20 49 21 23 04 06 17 33 04 21 04 55 05 46 04 12 06 49 11 11 7.0 6.7 96 1732-1849 THU JAN 14 19 58 20 48 21 23 04 56 18 26 04 22 04 56 05 47 04 16 06 53 11 16 7.0 7.0 100 1825-1931 FRI JAN 15 19 58 20 48 21 23 05 49 19 16 04 23 04 57 05 48 04 20 06 57 11 21 7.0 7.0 100 1919-1916 SAT JAN 16 19 58 20 48 21 22 06 46 20 05 04 24 04 58 05 49 04 23 07 01 11 26 7.0 7.0 100 2013-1801 SUN JAN 17 19 57 20 48 21 22 07 46 20 51 04 25 04 59 05 50 04 27 07 05 11 31 7.0 7.0 100 2107-1547 MON JAN 18 19 57 20 47 21 21 21 34 04 26 05 00 05 50 04 30 07 09 11 36 7.1 6.9 96 2201-1241 TUE JAN 19 19 57 20 47 21 21 22 14 04 28 05 01 05 51 04 34 07 13 11 42 7.1 6.2 87 2254-0852 WED JAN 20 19 57 20 46 21 20 22 53 04 29 05 02 05 52 04 37 07 17 11 47 7.1 5.6 78 2346-0433 THU JAN 21 19 56 20 46 21 20 23 32 04 30 05 04 05 53 04 41 07 21 11 52 7.2 5.0 69 0039+0002 FRI JAN 22 19 56 20 45 21 19 00 11 04 31 05 05 05 54 04 44 07 25 11 57 7.2 4.3 60 0131+0440 SAT JAN 23 19 56 20 45 21 18 00 52 04 32 05 06 05 55 04 46 07 29 12 02 7.2 3.7 50 0225+0905 SUN JAN 24 19 55 20 44 21 18 01 37 04 33 05 07 05 56 04 50 07 33 12 07 7.3 2.9 40 0321+1301 MON JAN 25 19 55 20 44 21 17 02 25 04 35 05 08 05 57 04 53 07 37 12 13 7.3 2.2 29 0418+1612 TUE JAN 26 19 54 20 43 21 16 16 05 03 17 04 36 05 09 05 58 04 56 07 41 12 17 7.3 1.3 17 0517+1825 WED JAN 27 19 54 20 43 21 16 17 07 04 14 04 37 05 10 05 59 05 00 07 45 12 22 7.4 0.4 5 0617+1928 THU JAN 28 19 53 20 42 21 15 18 05 05 13 04 38 05 11 06 00 05 03 07 49 12 27 7.4 0.0 0 0717+1917 FRI JAN 29 19 53 20 41 21 14 18 58 06 14 04 39 05 12 06 00 05 06 07 53 12 32 7.4 0.0 0 0815+1756 SAT JAN 30 19 52 20 41 21 13 19 46 07 14 04 40 05 13 06 01 05 09 07 56 12 37 7.4 0.0 0 0912+1533 SUN JAN 31 19 52 20 40 21 12 20 29 04 42 05 14 06 02 05 12 08 00 12 43 7.5 0.0 0 1005+1224 ONE LINE REFERS TO EVENING DATE FULL MOON JAN 02 02:54 UT AND FOLLOWING MORNING. LAST QUARTER JAN 09 14:25 UT All dates and times are zone CST NEW MOON JAN 17 15:49 UT in upper table (except sid time). FIRST QUARTER JAN 24 19:18 UT FULL MOON JAN 31 16:11 UT