YALO OBSERVATORY CALENDAR FOR 2000 (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 2000 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight TUE AUG 01 18 19 19 04 19 33 21 27 06 06 06 34 07 20 15 33 20 01 02 08 10.6 8.6 81 1133+0738 WED AUG 02 18 19 19 05 19 33 22 29 06 05 06 34 07 19 15 37 20 05 02 11 10.5 7.6 72 1225+0236 THU AUG 03 18 20 19 05 19 34 23 30 06 05 06 33 07 18 15 42 20 09 02 15 10.5 6.6 62 1316-0223 FRI AUG 04 18 21 19 06 19 34 00 28 06 04 06 32 07 18 15 46 20 13 02 18 10.5 5.6 53 1404-0706 SAT AUG 05 18 21 19 07 19 35 01 25 06 03 06 31 07 17 15 51 20 17 02 21 10.5 4.6 44 1453-1123 SUN AUG 06 18 22 19 07 19 35 02 20 06 03 06 31 07 16 15 55 20 21 02 25 10.5 3.7 35 1541-1504 MON AUG 07 18 22 19 08 19 36 03 15 06 02 06 30 07 15 16 00 20 25 02 28 10.4 2.8 26 1630-1803 TUE AUG 08 18 23 19 08 19 36 04 08 06 01 06 29 07 14 16 04 20 29 02 31 10.4 1.9 18 1720-2012 WED AUG 09 18 23 19 09 19 37 04 59 06 00 06 28 07 13 16 09 20 33 02 34 10.4 1.0 9 1811-2126 THU AUG 10 18 24 19 09 19 37 05 48 05 59 06 28 07 13 16 13 20 36 02 36 10.4 0.2 1 1902-2144 FRI AUG 11 18 25 19 10 19 38 16 05 06 33 05 59 06 27 07 12 16 18 20 40 02 40 10.4 0.0 0 1952-2103 SAT AUG 12 18 25 19 10 19 38 16 58 07 14 05 58 06 26 07 11 16 22 20 44 02 43 10.3 0.0 0 2043-1926 SUN AUG 13 18 26 19 11 19 39 17 52 07 53 05 57 06 25 07 10 16 27 20 48 02 46 10.3 0.0 0 2132-1657 MON AUG 14 18 26 19 11 19 39 18 47 05 56 06 24 07 09 16 31 20 52 02 49 10.3 0.0 0 2221-1341 TUE AUG 15 18 27 19 12 19 40 19 43 05 55 06 23 07 08 16 35 20 56 02 52 10.3 0.1 0 2309-0948 WED AUG 16 18 27 19 12 19 40 20 38 05 54 06 22 07 07 16 39 21 00 02 55 10.2 1.0 9 2356-0526 THU AUG 17 18 28 19 13 19 41 21 35 05 53 06 21 07 06 16 44 21 04 02 58 10.2 1.9 18 0043-0047 FRI AUG 18 18 29 19 13 19 41 22 32 05 53 06 20 07 05 16 48 21 08 03 02 10.2 2.9 27 0131+0358 SAT AUG 19 18 29 19 14 19 41 23 31 05 52 06 19 07 04 16 52 21 12 03 05 10.2 3.8 37 0220+0838 SUN AUG 20 18 30 19 14 19 42 00 32 05 51 06 19 07 03 16 57 21 16 03 08 10.1 4.8 47 0312+1259 MON AUG 21 18 30 19 15 19 42 01 35 05 50 06 18 07 02 17 01 21 20 03 11 10.1 5.9 58 0406+1645 TUE AUG 22 18 31 19 15 19 43 02 39 05 49 06 17 07 01 17 06 21 24 03 14 10.1 6.9 68 0504+1939 WED AUG 23 18 31 19 16 19 43 03 43 05 48 06 15 07 00 17 10 21 28 03 17 10.1 8.0 79 0605+2124 THU AUG 24 18 32 19 16 19 44 04 44 05 47 06 14 06 59 17 15 21 32 03 20 10.0 9.0 89 0707+2145 FRI AUG 25 18 32 19 17 19 44 05 41 05 46 06 13 06 57 17 19 21 36 03 23 10.0 9.9 99 0811+2037 SAT AUG 26 18 33 19 17 19 45 06 32 16 50 05 45 06 12 06 56 17 24 21 40 03 25 10.0 10.0 100 0913+1803 SUN AUG 27 18 33 19 18 19 45 07 17 17 59 05 43 06 11 06 55 17 28 21 43 03 27 10.0 10.0 100 1012+1418 MON AUG 28 18 34 19 18 19 46 07 58 19 06 05 42 06 10 06 54 17 33 21 47 03 30 9.9 9.9 100 1109+0942 TUE AUG 29 18 35 19 19 19 46 20 11 05 41 06 09 06 53 17 37 21 51 03 33 9.9 9.5 95 1204+0439 WED AUG 30 18 35 19 19 19 47 21 14 05 40 06 08 06 52 17 42 21 55 03 36 9.9 8.4 85 1256-0030 THU AUG 31 18 36 19 20 19 47 22 14 05 39 06 07 06 51 17 46 21 59 03 39 9.9 7.4 75 1346-0530 ONE LINE REFERS TO EVENING DATE FIRST QUARTER AUG 07 01:05 UT AND FOLLOWING MORNING. FULL MOON AUG 15 05:17 UT All dates and times are zone CST LAST QUARTER AUG 22 18:54 UT in upper table (except sid time). NEW MOON AUG 29 10:22 UT