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 WED MAR 01 18 37 19 15 19 40 20 48 05 28 05 54 06 32 05 58 10 18 15 47 9.8 8.7 88 0059+0730 THU MAR 02 18 37 19 15 19 40 21 50 05 28 05 53 06 31 06 02 10 22 15 51 9.8 7.6 77 0151+1401 FRI MAR 03 18 38 19 15 19 41 22 52 05 27 05 52 06 30 06 07 10 26 15 54 9.8 6.6 67 0245+1936 SAT MAR 04 18 38 19 16 19 41 23 53 05 26 05 52 06 29 06 10 10 30 15 57 9.8 5.6 56 0341+2400 SUN MAR 05 18 38 19 16 19 41 00 54 05 25 05 51 06 28 06 14 10 34 16 00 9.7 4.5 46 0437+2700 MON MAR 06 18 39 19 16 19 42 01 53 05 25 05 50 06 28 06 19 10 38 16 04 9.7 3.5 36 0534+2830 TUE MAR 07 18 39 19 16 19 42 02 47 05 24 05 49 06 27 06 23 10 42 16 07 9.7 2.6 26 0631+2830 WED MAR 08 18 39 19 17 19 42 03 37 05 23 05 49 06 26 06 27 10 46 16 10 9.7 1.8 18 0725+2707 THU MAR 09 18 40 19 17 19 43 04 21 05 22 05 48 06 25 06 32 10 50 16 13 9.6 1.0 10 0817+2429 FRI MAR 10 18 40 19 17 19 43 05 00 05 21 05 47 06 24 06 36 10 54 16 16 9.6 0.3 3 0907+2051 SAT MAR 11 18 40 19 18 19 43 16 01 05 35 05 21 05 46 06 24 06 40 10 58 16 20 9.6 0.0 0 0953+1623 SUN MAR 12 18 40 19 18 19 44 16 51 06 08 05 20 05 45 06 23 06 45 11 02 16 23 9.6 0.0 0 1037+1120 MON MAR 13 18 41 19 18 19 44 17 40 06 38 05 19 05 44 06 22 06 49 11 06 16 26 9.6 0.0 0 1119+0552 TUE MAR 14 18 41 19 19 19 44 18 28 07 09 05 18 05 44 06 21 06 53 11 10 16 28 9.6 0.0 0 1201+0010 WED MAR 15 18 41 19 19 19 44 19 16 07 40 05 17 05 43 06 20 06 57 11 14 16 31 9.5 0.0 0 1244-0533 THU MAR 16 18 42 19 19 19 45 20 05 05 16 05 42 06 19 07 02 11 17 16 34 9.5 0.3 3 1327-1109 FRI MAR 17 18 42 19 19 19 45 20 56 05 15 05 41 06 19 07 06 11 21 16 37 9.5 1.2 12 1413-1624 SAT MAR 18 18 42 19 20 19 45 21 49 05 15 05 40 06 18 07 10 11 25 16 41 9.5 2.1 21 1502-2104 SUN MAR 19 18 42 19 20 19 46 22 46 05 14 05 39 06 17 07 15 11 29 16 44 9.5 3.0 31 1554-2452 MON MAR 20 18 43 19 20 19 46 23 45 05 13 05 38 06 16 07 19 11 33 16 47 9.5 4.0 42 1650-2731 TUE MAR 21 18 43 19 21 19 46 00 45 05 12 05 38 06 15 07 22 11 37 16 50 9.4 5.0 52 1750-2841 WED MAR 22 18 43 19 21 19 47 01 45 05 11 05 37 06 14 07 27 11 41 16 53 9.4 6.0 63 1852-2810 THU MAR 23 18 44 19 21 19 47 02 41 05 10 05 36 06 13 07 31 11 45 16 56 9.4 6.9 73 1954-2552 FRI MAR 24 18 44 19 21 19 47 03 32 05 09 05 35 06 12 07 35 11 49 16 59 9.4 7.8 82 2054-2152 SAT MAR 25 18 44 19 22 19 47 04 19 05 08 05 34 06 12 07 39 11 53 17 02 9.4 8.5 91 2152-1627 SUN MAR 26 18 44 19 22 19 48 05 02 16 22 05 07 05 33 06 11 07 44 11 57 17 05 9.3 9.2 99 2248-0959 MON MAR 27 18 45 19 22 19 48 05 42 17 25 05 06 05 32 06 10 07 48 12 01 17 08 9.3 9.3 100 2341-0255 TUE MAR 28 18 45 19 23 19 48 06 22 18 27 05 05 05 31 06 09 07 52 12 05 17 11 9.3 9.3 100 0034+0417 WED MAR 29 18 45 19 23 19 49 07 02 19 29 05 04 05 30 06 08 07 57 12 09 17 14 9.2 9.2 100 0127+1112 THU MAR 30 18 45 19 23 19 49 07 44 20 32 05 04 05 29 06 07 08 01 12 13 17 18 9.2 8.5 92 0222+1722 FRI MAR 31 18 46 19 24 19 49 21 36 05 03 05 29 06 06 08 05 12 17 17 20 9.2 7.4 80 0318+2226 ONE LINE REFERS TO EVENING DATE FIRST QUARTER MAR 06 20:18 UT AND FOLLOWING MORNING. FULL MOON MAR 14 23:39 UT All dates and times are zone HST LAST QUARTER MAR 22 19:15 UT in upper table (except sid time). NEW MOON MAR 29 10:17 UT