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 THU JUL 01 18 03 18 50 19 19 21 30 06 15 06 44 07 31 13 14 17 56 00 12 10.9 2.2 19 2200-1332 FRI JUL 02 18 03 18 50 19 20 22 28 06 15 06 44 07 31 13 19 18 00 00 16 10.9 3.1 28 2251-0951 SAT JUL 03 18 03 18 51 19 20 23 27 06 15 06 44 07 31 13 23 18 04 00 20 10.9 4.1 37 2342-0537 SUN JUL 04 18 04 18 51 19 20 00 28 06 15 06 44 07 31 13 27 18 08 00 24 10.9 5.1 47 0032-0102 MON JUL 05 18 04 18 51 19 21 01 29 06 15 06 44 07 31 13 32 18 12 00 28 10.9 6.1 56 0124+0342 TUE JUL 06 18 05 18 52 19 21 02 33 06 15 06 44 07 31 13 36 18 15 00 32 10.9 7.2 66 0218+0821 WED JUL 07 18 05 18 52 19 21 03 39 06 15 06 44 07 31 13 40 18 19 00 35 10.9 8.3 76 0314+1238 THU JUL 08 18 05 18 53 19 22 04 46 06 15 06 44 07 31 13 45 18 23 00 39 10.9 9.4 86 0413+1612 FRI JUL 09 18 06 18 53 19 22 05 52 16 02 06 14 06 44 07 31 13 49 18 27 00 42 10.9 10.5 96 0514+1846 SAT JUL 10 18 06 18 53 19 23 06 56 16 59 06 14 06 43 07 30 13 53 18 31 00 46 10.8 10.8 100 0617+2004 SUN JUL 11 18 07 18 54 19 23 07 54 18 00 06 14 06 43 07 30 13 57 18 35 00 50 10.8 10.8 100 0720+1958 MON JUL 12 18 07 18 54 19 23 19 04 06 14 06 43 07 30 14 01 18 39 00 54 10.8 10.8 100 0821+1832 TUE JUL 13 18 08 18 55 19 24 20 08 06 14 06 43 07 30 14 06 18 43 00 58 10.8 10.1 93 0920+1558 WED JUL 14 18 08 18 55 19 24 21 11 06 14 06 43 07 29 14 10 18 47 01 02 10.8 9.1 83 1015+1233 THU JUL 15 18 09 18 56 19 25 22 11 06 13 06 42 07 29 14 15 18 51 01 05 10.8 8.0 74 1108+0834 FRI JUL 16 18 09 18 56 19 25 23 08 06 13 06 42 07 29 14 19 18 55 01 09 10.8 7.1 65 1157+0419 SAT JUL 17 18 10 18 57 19 26 00 04 06 13 06 42 07 28 14 24 18 59 01 13 10.8 6.2 57 1244-0000 SUN JUL 18 18 10 18 57 19 26 00 58 06 13 06 42 07 28 14 28 19 03 01 17 10.8 5.3 48 1331-0413 MON JUL 19 18 11 18 58 19 26 01 51 06 12 06 41 07 28 14 32 19 07 01 20 10.8 4.3 40 1416-0812 TUE JUL 20 18 12 18 58 19 27 02 44 06 12 06 41 07 27 14 37 19 11 01 24 10.7 3.5 32 1503-1148 WED JUL 21 18 12 18 59 19 27 03 36 06 12 06 40 07 27 14 41 19 15 01 28 10.7 2.6 24 1550-1454 THU JUL 22 18 13 18 59 19 28 04 29 06 11 06 40 07 26 14 46 19 19 01 31 10.7 1.7 15 1638-1723 FRI JUL 23 18 13 18 59 19 28 05 21 06 11 06 40 07 26 14 50 19 23 01 35 10.7 0.8 7 1727-1909 SAT JUL 24 18 14 19 00 19 29 06 12 06 11 06 39 07 25 14 55 19 26 01 38 10.7 0.0 0 1818-2004 SUN JUL 25 18 14 19 00 19 29 16 37 07 00 06 10 06 39 07 25 14 59 19 30 01 41 10.7 0.0 0 1910-2004 MON JUL 26 18 15 19 01 19 30 17 30 07 47 06 10 06 38 07 24 15 04 19 34 01 45 10.7 0.0 0 2003-1907 TUE JUL 27 18 15 19 01 19 30 18 26 06 09 06 38 07 24 15 08 19 38 01 48 10.7 0.0 0 2055-1711 WED JUL 28 18 16 19 02 19 31 19 23 06 09 06 37 07 23 15 12 19 42 01 52 10.6 0.0 0 2148-1423 THU JUL 29 18 17 19 02 19 31 20 22 06 08 06 37 07 22 15 16 19 46 01 55 10.6 0.9 8 2239-1050 FRI JUL 30 18 17 19 03 19 31 21 22 06 08 06 36 07 22 15 20 19 50 01 59 10.6 1.9 17 2330-0641 SAT JUL 31 18 18 19 03 19 32 22 22 06 07 06 35 07 21 15 25 19 54 02 02 10.6 2.8 26 0021-0209 ONE LINE REFERS TO EVENING DATE LAST QUARTER JUL 06 11:59 UT AND FOLLOWING MORNING. NEW MOON JUL 13 02:27 UT All dates and times are zone CST FIRST QUARTER JUL 20 09:04 UT in upper table (except sid time). FULL MOON JUL 28 11:28 UT