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 SUN AUG 01 18 18 19 04 19 32 23 23 06 06 06 35 07 20 15 29 19 58 02 05 10.6 3.9 36 0112+0232 MON AUG 02 18 19 19 04 19 33 00 25 06 06 06 34 07 20 15 34 20 02 02 09 10.6 4.9 46 0205+0711 TUE AUG 03 18 19 19 05 19 33 01 28 06 05 06 34 07 19 15 38 20 06 02 12 10.5 5.9 56 0259+1130 WED AUG 04 18 20 19 05 19 34 02 33 06 05 06 33 07 18 15 43 20 10 02 16 10.5 7.0 66 0355+1513 THU AUG 05 18 21 19 06 19 34 03 37 06 04 06 32 07 18 15 47 20 14 02 19 10.5 8.0 76 0454+1802 FRI AUG 06 18 21 19 07 19 35 04 41 06 03 06 31 07 17 15 52 20 18 02 22 10.5 9.1 86 0555+1945 SAT AUG 07 18 22 19 07 19 35 05 40 06 03 06 31 07 16 15 56 20 22 02 26 10.5 10.1 96 0656+2009 SUN AUG 08 18 22 19 08 19 36 06 35 16 46 06 02 06 30 07 15 16 01 20 26 02 29 10.4 10.4 100 0757+1915 MON AUG 09 18 23 19 08 19 36 07 24 17 50 06 01 06 29 07 14 16 05 20 30 02 32 10.4 10.4 100 0857+1707 TUE AUG 10 18 23 19 09 19 37 18 53 06 00 06 28 07 13 16 10 20 33 02 34 10.4 10.4 100 0953+1401 WED AUG 11 18 24 19 09 19 37 19 55 05 59 06 28 07 13 16 14 20 37 02 37 10.4 10.1 97 1047+1013 THU AUG 12 18 25 19 10 19 38 20 54 05 59 06 27 07 12 16 19 20 41 02 41 10.4 9.1 87 1138+0559 FRI AUG 13 18 25 19 10 19 38 21 51 05 58 06 26 07 11 16 23 20 45 02 44 10.3 8.1 78 1227+0136 SAT AUG 14 18 26 19 11 19 39 22 47 05 57 06 25 07 10 16 28 20 49 02 47 10.3 7.2 69 1314-0244 SUN AUG 15 18 26 19 11 19 39 23 41 05 56 06 24 07 09 16 31 20 53 02 50 10.3 6.3 60 1401-0652 MON AUG 16 18 27 19 12 19 40 00 35 05 55 06 23 07 08 16 36 20 57 02 53 10.3 5.3 52 1447-1039 TUE AUG 17 18 27 19 12 19 40 01 28 05 54 06 22 07 07 16 40 21 01 02 56 10.2 4.4 43 1534-1357 WED AUG 18 18 28 19 13 19 41 02 20 05 53 06 21 07 06 16 45 21 05 02 59 10.2 3.5 34 1622-1640 THU AUG 19 18 29 19 13 19 41 03 13 05 53 06 20 07 05 16 49 21 09 03 03 10.2 2.7 26 1711-1841 FRI AUG 20 18 29 19 14 19 41 04 04 05 52 06 19 07 04 16 53 21 13 03 06 10.2 1.8 17 1802-1953 SAT AUG 21 18 30 19 14 19 42 04 53 05 51 06 19 07 03 16 58 21 17 03 09 10.1 1.0 9 1853-2011 SUN AUG 22 18 30 19 15 19 42 05 41 05 50 06 18 07 02 17 02 21 21 03 12 10.1 0.2 1 1946-1932 MON AUG 23 18 31 19 15 19 43 16 15 06 25 05 49 06 17 07 01 17 07 21 25 03 15 10.1 0.0 0 2038-1755 TUE AUG 24 18 31 19 16 19 43 17 13 07 07 05 48 06 15 07 00 17 11 21 29 03 18 10.1 0.0 0 2131-1521 WED AUG 25 18 32 19 16 19 44 18 12 07 47 05 47 06 14 06 59 17 16 21 33 03 21 10.0 0.0 0 2224-1158 THU AUG 26 18 32 19 17 19 44 19 13 05 46 06 13 06 57 17 20 21 37 03 24 10.0 0.0 0 2316-0753 FRI AUG 27 18 33 19 17 19 45 20 14 05 45 06 12 06 56 17 25 21 41 03 26 10.0 0.5 4 0007-0321 SAT AUG 28 18 33 19 18 19 45 21 16 05 43 06 11 06 55 17 29 21 44 03 28 10.0 1.5 15 0100+0125 SUN AUG 29 18 34 19 18 19 46 22 19 05 42 06 10 06 54 17 34 21 48 03 31 9.9 2.6 25 0152+0611 MON AUG 30 18 35 19 19 19 46 23 22 05 41 06 09 06 53 17 38 21 52 03 34 9.9 3.6 36 0246+1038 TUE AUG 31 18 35 19 19 19 47 00 26 05 40 06 08 06 52 17 43 21 56 03 37 9.9 4.7 47 0342+1430 ONE LINE REFERS TO EVENING DATE LAST QUARTER AUG 04 17:29 UT AND FOLLOWING MORNING. NEW MOON AUG 11 11:11 UT All dates and times are zone CST FIRST QUARTER AUG 19 01:51 UT in upper table (except sid time). FULL MOON AUG 26 23:49 UT