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 TUE JUN 01 18 00 18 47 19 16 20 47 06 06 06 36 07 22 11 13 15 57 22 04 10.8 1.5 13 1938-1936 WED JUN 02 17 59 18 46 19 15 21 41 06 07 06 36 07 23 11 16 16 01 22 09 10.9 2.4 22 2029-1807 THU JUN 03 17 59 18 46 19 15 22 37 06 07 06 36 07 23 11 20 16 05 22 13 10.9 3.4 30 2121-1545 FRI JUN 04 17 59 18 46 19 15 23 35 06 08 06 37 07 24 11 24 16 09 22 18 10.9 4.3 39 2212-1234 SAT JUN 05 17 59 18 46 19 15 00 34 06 08 06 37 07 24 11 27 16 13 22 22 10.9 5.3 48 2303-0843 SUN JUN 06 17 59 18 46 19 15 01 35 06 09 06 38 07 25 11 31 16 17 22 27 10.9 6.3 58 2354-0419 MON JUN 07 17 59 18 46 19 15 02 37 06 09 06 38 07 25 11 35 16 21 22 31 10.9 7.4 67 0046+0025 TUE JUN 08 17 59 18 46 19 15 03 42 06 09 06 39 07 26 11 39 16 25 22 35 10.9 8.5 77 0140+0517 WED JUN 09 17 59 18 46 19 15 04 49 06 10 06 39 07 26 11 43 16 29 22 40 10.9 9.6 87 0236+0959 THU JUN 10 17 59 18 46 19 15 05 58 16 31 06 10 06 39 07 27 11 47 16 33 22 44 10.9 10.7 98 0335+1410 FRI JUN 11 17 59 18 46 19 15 07 06 17 21 06 10 06 40 07 27 11 51 16 37 22 48 10.9 10.9 100 0437+1726 SAT JUN 12 17 59 18 46 19 15 18 17 06 11 06 40 07 27 11 55 16 41 22 53 10.9 10.9 100 0540+1931 SUN JUN 13 17 59 18 46 19 15 19 18 06 11 06 40 07 28 11 59 16 45 22 57 10.9 10.9 99 0644+2011 MON JUN 14 17 59 18 46 19 15 20 21 06 11 06 41 07 28 12 03 16 49 23 01 10.9 9.8 89 0746+1928 TUE JUN 15 17 59 18 46 19 15 21 24 06 12 06 41 07 28 12 07 16 53 23 06 10.9 8.8 80 0846+1730 WED JUN 16 17 59 18 46 19 16 22 26 06 12 06 41 07 29 12 12 16 57 23 10 10.9 7.8 71 0943+1435 THU JUN 17 17 59 18 46 19 16 23 26 06 12 06 42 07 29 12 16 17 01 23 14 10.9 6.8 61 1035+1058 FRI JUN 18 17 59 18 47 19 16 00 24 06 13 06 42 07 29 12 20 17 05 23 19 11.0 5.8 53 1125+0657 SAT JUN 19 17 59 18 47 19 16 01 19 06 13 06 42 07 30 12 24 17 08 23 22 11.0 4.9 44 1213+0244 SUN JUN 20 17 59 18 47 19 16 02 12 06 13 06 42 07 30 12 28 17 12 23 26 11.0 4.0 36 1259-0129 MON JUN 21 18 00 18 47 19 16 03 05 06 13 06 43 07 30 12 32 17 16 23 30 11.0 3.1 28 1344-0535 TUE JUN 22 18 00 18 47 19 17 03 58 06 14 06 43 07 30 12 37 17 20 23 35 11.0 2.3 20 1430-0924 WED JUN 23 18 00 18 48 19 17 04 51 06 14 06 43 07 30 12 40 17 24 23 39 11.0 1.4 12 1516-1251 THU JUN 24 18 00 18 48 19 17 05 43 06 14 06 43 07 31 12 44 17 28 23 43 11.0 0.5 4 1603-1546 FRI JUN 25 18 01 18 48 19 17 16 24 06 36 06 14 06 43 07 31 12 48 17 32 23 47 11.0 0.0 0 1652-1802 SAT JUN 26 18 01 18 48 19 18 17 06 07 27 06 14 06 43 07 31 12 53 17 36 23 51 10.9 0.0 0 1742-1933 SUN JUN 27 18 01 18 49 19 18 17 53 06 14 06 44 07 31 12 57 17 40 23 55 10.9 0.0 0 1833-2012 MON JUN 28 18 02 18 49 19 18 18 43 06 14 06 44 07 31 13 01 17 44 23 59 10.9 0.0 0 1925-1955 TUE JUN 29 18 02 18 49 19 19 19 37 06 15 06 44 07 31 13 06 17 48 00 04 10.9 0.3 2 2017-1840 WED JUN 30 18 02 18 50 19 19 20 32 06 15 06 44 07 31 13 10 17 52 00 08 10.9 1.2 11 2109-1631 ONE LINE REFERS TO EVENING DATE LAST QUARTER JUN 07 04:24 UT AND FOLLOWING MORNING. NEW MOON JUN 13 19:05 UT All dates and times are zone CST FIRST QUARTER JUN 20 18:16 UT in upper table (except sid time). FULL MOON JUN 28 21:42 UT