KECK OBSERVATORY CALENDAR FOR 2048 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2048 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg SAT AUG 01 19 09 19 50 20 18 23 59 04 39 05 07 05 47 16 42 20 25 01 05 8.4 3.7 44 0304 1945 >90 SUN AUG 02 19 09 19 49 20 17 00 43 04 39 05 07 05 48 16 45 20 29 01 08 8.4 4.4 52 0400 2213 >90 MON AUG 03 19 08 19 48 20 17 01 31 14 43 04 40 05 08 05 48 16 49 20 33 01 13 8.4 5.2 62 0451 2306 >90 TUE AUG 04 19 07 19 48 20 16 02 21 15 32 04 40 05 08 05 48 16 52 20 37 01 17 8.4 6.1 72 0542 2256 >90 WED AUG 05 19 07 19 47 20 15 03 12 16 20 04 41 05 09 05 49 16 55 20 41 01 22 8.4 7.0 82 0633 2144 >90 THU AUG 06 19 06 19 46 20 14 04 05 17 05 04 41 05 09 05 49 16 58 20 44 01 26 8.4 7.8 92 0723 1932 >90 FRI AUG 07 19 06 19 46 20 14 04 58 17 48 04 42 05 09 05 50 17 02 20 48 01 31 8.5 8.5 100 0812 1628 >90 SAT AUG 08 19 05 19 45 20 13 05 51 18 28 04 42 05 10 05 50 17 05 20 52 01 35 8.5 8.5 100 0900 1237 >90 SUN AUG 09 19 05 19 44 20 12 06 43 19 06 04 43 05 10 05 50 17 08 20 56 01 40 8.5 8.5 100 0947 0810 >90 MON AUG 10 19 04 19 44 20 11 19 43 04 43 05 11 05 51 17 11 21 00 01 44 8.5 8.5 100 1034 0317 >90 TUE AUG 11 19 03 19 43 20 11 20 20 04 44 05 11 05 51 17 15 21 04 01 49 8.6 8.4 98 1121-0150 >90 WED AUG 12 19 03 19 42 20 10 20 58 04 44 05 12 05 51 17 18 21 08 01 53 8.6 7.8 90 1209-0659 >90 THU AUG 13 19 02 19 41 20 09 21 38 04 44 05 12 05 51 17 20 21 12 01 57 8.6 7.1 82 1259-1156 >90 FRI AUG 14 19 01 19 41 20 08 22 22 04 45 05 12 05 52 17 23 21 16 02 02 8.6 6.4 74 1352-1624 >90 SAT AUG 15 19 01 19 40 20 07 23 09 04 45 05 13 05 52 17 26 21 20 02 06 8.6 5.6 64 1448-2005 >90 SUN AUG 16 19 00 19 39 20 06 00 03 04 46 05 13 05 52 17 29 21 24 02 11 8.7 4.7 54 1553-2210 >90 MON AUG 17 18 59 19 38 20 05 01 00 04 46 05 13 05 53 17 32 21 28 02 15 8.7 3.8 43 1649-2354 81 TUE AUG 18 18 58 19 37 20 05 14 25 02 03 04 47 05 14 05 53 17 36 21 32 02 20 8.7 2.7 31 1752-2341 69 WED AUG 19 18 58 19 37 20 04 15 24 03 06 04 47 05 14 05 53 17 39 21 36 02 24 8.7 1.7 19 1854-2149 57 THU AUG 20 18 57 19 36 20 03 16 18 04 10 04 48 05 15 05 54 17 42 21 40 02 28 8.8 0.6 7 1955-1833 46 FRI AUG 21 18 56 19 35 20 02 17 08 05 13 04 48 05 15 05 54 17 45 21 44 02 32 8.8 0.0 0 2053-1409 36 SAT AUG 22 18 55 19 34 20 01 17 53 06 13 04 48 05 15 05 54 17 48 21 48 02 36 8.8 0.0 0 2149-0900 29 SUN AUG 23 18 54 19 33 20 00 18 35 04 49 05 16 05 54 17 51 21 52 02 41 8.8 0.0 0 2242-0328 26 MON AUG 24 18 54 19 32 19 59 19 15 04 49 05 16 05 55 17 54 21 55 02 45 8.8 0.0 0 2333 0205 30 TUE AUG 25 18 53 19 32 19 58 19 54 04 49 05 16 05 55 17 57 21 59 02 49 8.8 0.0 0 0023 0722 37 WED AUG 26 18 52 19 31 19 57 20 33 04 50 05 16 05 55 18 00 22 03 02 54 8.9 0.6 6 0112 1208 46 THU AUG 27 18 51 19 30 19 56 21 13 04 50 05 17 05 55 18 03 22 07 02 58 8.9 1.3 14 0202 1611 56 FRI AUG 28 18 50 19 29 19 55 21 54 04 51 05 17 05 56 18 06 22 11 03 03 8.9 2.0 22 0253 1923 66 SAT AUG 29 18 50 19 28 19 54 22 38 04 51 05 17 05 56 18 09 22 15 03 07 9.0 2.7 30 0344 2137 76 SUN AUG 30 18 49 19 27 19 53 23 24 04 51 05 18 05 56 18 11 22 19 03 11 9.0 3.5 39 0434 2248 86 MON AUG 31 18 48 19 26 19 53 00 13 04 52 05 18 05 56 18 15 22 23 03 16 9.0 4.3 48 0527 2303 >90 ONE LINE REFERS TO EVENING DATE LAST QUARTER Aug 01 14:32 UT AND FOLLOWING MORNING. NEW MOON Aug 09 18:00 UT All dates and times are zone HST FIRST QUARTER Aug 17 00:31 UT in upper table (except sid time). FULL MOON Aug 23 18:07 UT LAST QUARTER Aug 31 07:43 UT