KECK OBSERVATORY CALENDAR FOR 2000 -ASTRONOMICAL (computed for altitude 4145.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(HST) 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 THU JUN 01 19 08 19 50 20 20 05 52 18 40 04 19 04 49 05 31 12 42 16 23 20 43 8.0 8.0 100 0444+1844 FRI JUN 02 19 09 19 51 20 21 06 51 19 47 04 19 04 49 05 31 12 47 16 27 20 46 8.0 8.0 100 0547+2058 SAT JUN 03 19 09 19 51 20 21 07 54 20 52 04 19 04 49 05 31 12 51 16 31 20 50 8.0 7.4 93 0652+2142 SUN JUN 04 19 09 19 52 20 22 21 54 04 19 04 49 05 31 12 56 16 35 20 54 7.9 6.4 80 0756+2054 MON JUN 05 19 10 19 52 20 22 22 51 04 19 04 49 05 31 13 00 16 39 20 58 7.9 5.5 68 0858+1842 TUE JUN 06 19 10 19 53 20 23 23 42 04 19 04 49 05 31 13 05 16 43 21 02 7.9 4.6 58 0956+1523 WED JUN 07 19 11 19 53 20 23 00 28 04 19 04 49 05 31 13 09 16 46 21 06 7.9 3.8 48 1051+1116 THU JUN 08 19 11 19 53 20 23 01 10 04 19 04 49 05 31 13 13 16 50 21 10 7.9 3.1 39 1142+0642 FRI JUN 09 19 11 19 54 20 24 01 50 04 19 04 49 05 31 13 18 16 54 21 14 7.9 2.5 31 1231+0155 SAT JUN 10 19 12 19 54 20 24 02 28 04 19 04 49 05 31 13 22 16 58 21 18 7.9 1.8 23 1319-0249 SUN JUN 11 19 12 19 55 20 25 03 05 04 19 04 49 05 31 13 27 17 02 21 22 7.9 1.2 15 1406-0722 MON JUN 12 19 12 19 55 20 25 03 44 04 19 04 49 05 31 13 31 17 06 21 26 7.9 0.6 7 1454-1131 TUE JUN 13 19 13 19 55 20 25 16 25 04 24 04 19 04 49 05 31 13 35 17 10 21 30 7.9 0.0 0 1542-1508 WED JUN 14 19 13 19 56 20 26 17 16 05 06 04 19 04 49 05 32 13 40 17 14 21 34 7.9 0.0 0 1631-1804 THU JUN 15 19 13 19 56 20 26 18 07 05 50 04 19 04 49 05 32 13 43 17 18 21 38 7.9 0.0 0 1721-2012 FRI JUN 16 19 13 19 56 20 26 18 58 06 37 04 19 04 49 05 32 13 47 17 22 21 42 7.9 0.0 0 1811-2126 SAT JUN 17 19 14 19 56 20 27 19 47 07 25 04 19 04 49 05 32 13 52 17 26 21 46 7.9 0.0 0 1902-2143 SUN JUN 18 19 14 19 57 20 27 20 35 04 19 04 50 05 32 13 56 17 30 21 50 7.9 0.1 1 1953-2101 MON JUN 19 19 14 19 57 20 27 21 21 04 20 04 50 05 32 14 00 17 34 21 55 7.9 0.9 11 2043-1924 TUE JUN 20 19 14 19 57 20 27 22 04 04 20 04 50 05 33 14 04 17 38 21 58 7.9 1.6 20 2132-1655 WED JUN 21 19 15 19 57 20 28 22 45 04 20 04 50 05 33 14 09 17 42 22 02 7.9 2.3 29 2221-1342 THU JUN 22 19 15 19 58 20 28 23 24 04 20 04 50 05 33 14 13 17 46 22 06 7.9 2.9 37 2308-0951 FRI JUN 23 19 15 19 58 20 28 00 02 04 21 04 51 05 33 14 17 17 50 22 11 7.9 3.6 45 2355-0530 SAT JUN 24 19 15 19 58 20 28 00 40 04 21 04 51 05 34 14 21 17 54 22 15 7.9 4.2 53 0043-0049 SUN JUN 25 19 15 19 58 20 28 01 19 04 21 04 51 05 34 14 25 17 57 22 19 7.9 4.8 61 0132+0402 MON JUN 26 19 16 19 58 20 28 02 01 04 21 04 52 05 34 14 29 18 01 22 23 7.9 5.5 70 0224+0852 TUE JUN 27 19 16 19 58 20 28 02 46 04 22 04 52 05 34 14 33 18 05 22 28 7.9 6.3 79 0319+1324 WED JUN 28 19 16 19 58 20 28 03 36 16 19 04 22 04 52 05 35 14 37 18 09 22 32 7.9 7.1 90 0417+1717 THU JUN 29 19 16 19 58 20 29 04 32 17 24 04 22 04 53 05 35 14 42 18 13 22 36 7.9 7.9 100 0519+2007 FRI JUN 30 19 16 19 58 20 29 05 33 18 30 04 23 04 53 05 35 14 46 18 17 22 41 7.9 7.9 100 0623+2135 ONE LINE REFERS TO EVENING DATE NEW MOON JUN 02 12:16 UT AND FOLLOWING MORNING. FIRST QUARTER JUN 09 03:32 UT All dates and times are zone HST FULL MOON JUN 16 22:29 UT in upper table (except sid time). LAST QUARTER JUN 25 01:03 UT