KECK OBSERVATORY CALENDAR FOR 2006 -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 2006 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 00 06 04 19 04 49 05 31 12 40 16 21 20 41 8.0 4.2 52 0956+1540 FRI JUN 02 19 08 19 50 20 20 00 39 04 19 04 49 05 31 12 44 16 25 20 45 8.0 3.7 45 1040+1033 SAT JUN 03 19 09 19 51 20 21 01 11 04 19 04 49 05 31 12 49 16 29 20 49 8.0 3.1 39 1123+0505 SUN JUN 04 19 09 19 51 20 21 01 41 04 19 04 49 05 31 12 53 16 33 20 53 8.0 2.6 33 1205-0033 MON JUN 05 19 09 19 52 20 22 02 12 04 19 04 49 05 31 12 58 16 37 20 57 7.9 2.1 26 1247-0614 TUE JUN 06 19 10 19 52 20 22 02 45 04 19 04 49 05 31 13 02 16 41 21 00 7.9 1.6 19 1331-1147 WED JUN 07 19 10 19 53 20 23 03 20 04 19 04 49 05 31 13 07 16 45 21 04 7.9 1.0 12 1418-1700 THU JUN 08 19 11 19 53 20 23 16 21 04 01 04 19 04 49 05 31 13 11 16 49 21 08 7.9 0.3 3 1508-2137 FRI JUN 09 19 11 19 53 20 23 17 19 04 48 04 19 04 49 05 31 13 15 16 53 21 12 7.9 0.0 0 1603-2517 SAT JUN 10 19 11 19 54 20 24 18 20 05 42 04 19 04 49 05 31 13 20 16 57 21 16 7.9 0.0 0 1702-2740 SUN JUN 11 19 12 19 54 20 24 19 22 06 41 04 19 04 49 05 31 13 24 17 00 21 20 7.9 0.0 0 1804-2826 MON JUN 12 19 12 19 55 20 25 20 22 07 45 04 19 04 49 05 31 13 29 17 04 21 24 7.9 0.0 0 1907-2725 TUE JUN 13 19 12 19 55 20 25 21 18 04 19 04 49 05 31 13 33 17 08 21 28 7.9 0.9 11 2008-2438 WED JUN 14 19 13 19 55 20 25 22 09 04 19 04 49 05 31 13 37 17 12 21 32 7.9 1.7 21 2107-2020 THU JUN 15 19 13 19 56 20 26 22 54 04 19 04 49 05 32 13 42 17 16 21 36 7.9 2.5 31 2202-1452 FRI JUN 16 19 13 19 56 20 26 23 35 04 19 04 49 05 32 13 46 17 20 21 40 7.9 3.2 39 2255-0837 SAT JUN 17 19 13 19 56 20 26 00 13 04 19 04 49 05 32 13 50 17 24 21 44 7.9 3.8 47 2345-0157 SUN JUN 18 19 14 19 56 20 27 00 50 04 19 04 49 05 32 13 54 17 28 21 48 7.9 4.4 55 0035+0445 MON JUN 19 19 14 19 57 20 27 01 27 04 19 04 50 05 32 13 58 17 32 21 52 7.9 5.0 63 0125+1111 TUE JUN 20 19 14 19 57 20 27 02 07 04 20 04 50 05 32 14 02 17 36 21 57 7.9 5.7 71 0217+1701 WED JUN 21 19 14 19 57 20 27 02 50 04 20 04 50 05 33 14 06 17 40 22 01 7.9 6.4 80 0312+2156 THU JUN 22 19 15 19 57 20 28 03 38 16 53 04 20 04 50 05 33 14 11 17 44 22 05 7.9 7.2 91 0409+2538 FRI JUN 23 19 15 19 58 20 28 04 31 17 56 04 20 04 50 05 33 14 15 17 48 22 09 7.9 7.9 100 0508+2750 SAT JUN 24 19 15 19 58 20 28 05 28 18 56 04 21 04 51 05 33 14 19 17 52 22 13 7.9 7.9 100 0607+2825 SUN JUN 25 19 15 19 58 20 28 06 27 19 52 04 21 04 51 05 34 14 23 17 56 22 17 7.9 7.9 100 0706+2726 MON JUN 26 19 15 19 58 20 28 07 25 20 42 04 21 04 51 05 34 14 27 18 00 22 21 7.9 7.6 97 0801+2502 TUE JUN 27 19 16 19 58 20 28 21 25 04 21 04 52 05 34 14 31 18 04 22 25 7.9 6.9 87 0852+2129 WED JUN 28 19 16 19 58 20 28 22 04 04 22 04 52 05 34 14 35 18 08 22 30 7.9 6.3 79 0941+1705 THU JUN 29 19 16 19 58 20 28 22 38 04 22 04 52 05 35 14 39 18 11 22 34 7.9 5.7 72 1026+1204 FRI JUN 30 19 16 19 58 20 29 23 10 04 22 04 53 05 35 14 44 18 15 22 38 7.9 5.2 65 1109+0641 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUN 03 23:08 UT AND FOLLOWING MORNING. FULL MOON JUN 11 18:06 UT All dates and times are zone HST LAST QUARTER JUN 18 14:11 UT in upper table (except sid time). NEW MOON JUN 25 16:06 UT