KECK OBSERVATORY CALENDAR FOR 2006 -NAUTICAL (computed for altitude 4145.0 m) NAUTICAL(12 deg) TWILIGHT/DAWN MOON DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (12 deg) RA DEC 2006 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight WED MAR 01 18 37 19 15 19 40 20 48 05 28 05 54 06 32 05 33 10 18 16 13 10.7 9.1 85 0059+0730 THU MAR 02 18 37 19 15 19 40 21 50 05 28 05 53 06 31 05 37 10 22 16 16 10.6 8.0 75 0151+1401 FRI MAR 03 18 38 19 15 19 41 22 52 05 27 05 52 06 30 05 40 10 26 16 19 10.6 7.0 65 0245+1936 SAT MAR 04 18 38 19 16 19 41 23 53 05 26 05 52 06 29 05 45 10 30 16 23 10.6 6.0 56 0341+2400 SUN MAR 05 18 38 19 16 19 41 00 54 05 25 05 51 06 28 05 49 10 34 16 26 10.6 4.9 46 0437+2700 MON MAR 06 18 39 19 16 19 42 01 53 05 25 05 50 06 28 05 53 10 38 16 29 10.6 4.0 37 0534+2830 TUE MAR 07 18 39 19 16 19 42 02 47 05 24 05 49 06 27 05 57 10 42 16 32 10.6 3.0 28 0631+2830 WED MAR 08 18 39 19 17 19 42 03 37 05 23 05 49 06 26 06 02 10 46 16 36 10.5 2.2 20 0725+2707 THU MAR 09 18 40 19 17 19 43 04 21 05 22 05 48 06 25 06 06 10 50 16 39 10.5 1.5 13 0817+2429 FRI MAR 10 18 40 19 17 19 43 05 00 05 21 05 47 06 24 06 10 10 54 16 42 10.5 0.8 7 0907+2051 SAT MAR 11 18 40 19 18 19 43 16 01 05 35 05 21 05 46 06 24 06 15 10 58 16 45 10.5 0.2 1 0953+1623 SUN MAR 12 18 40 19 18 19 44 16 51 06 08 05 20 05 45 06 23 06 19 11 02 16 48 10.5 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 23 11 06 16 51 10.4 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 28 11 10 16 55 10.4 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 32 11 14 16 57 10.4 0.0 0 1244-0533 THU MAR 16 18 42 19 19 19 45 20 05 05 16 05 42 06 19 06 36 11 17 17 00 10.4 0.8 7 1327-1109 FRI MAR 17 18 42 19 19 19 45 20 56 05 15 05 41 06 19 06 40 11 21 17 03 10.4 1.6 15 1413-1624 SAT MAR 18 18 42 19 20 19 45 21 49 05 15 05 40 06 18 06 45 11 25 17 06 10.3 2.5 24 1502-2104 SUN MAR 19 18 42 19 20 19 46 22 46 05 14 05 39 06 17 06 49 11 29 17 09 10.3 3.4 33 1554-2452 MON MAR 20 18 43 19 20 19 46 23 45 05 13 05 38 06 16 06 52 11 33 17 12 10.3 4.4 42 1650-2731 TUE MAR 21 18 43 19 21 19 46 00 45 05 12 05 38 06 15 06 57 11 37 17 16 10.3 5.4 52 1750-2841 WED MAR 22 18 43 19 21 19 47 01 45 05 11 05 37 06 14 07 01 11 41 17 19 10.3 6.4 62 1852-2810 THU MAR 23 18 44 19 21 19 47 02 41 05 10 05 36 06 13 07 05 11 45 17 22 10.2 7.3 71 1954-2552 FRI MAR 24 18 44 19 21 19 47 03 32 05 09 05 35 06 12 07 09 11 49 17 25 10.2 8.2 79 2054-2152 SAT MAR 25 18 44 19 22 19 47 04 19 05 08 05 34 06 12 07 14 11 53 17 28 10.2 8.9 87 2152-1627 SUN MAR 26 18 44 19 22 19 48 05 02 16 22 05 07 05 33 06 11 07 18 11 57 17 31 10.2 9.7 94 2248-0959 MON MAR 27 18 45 19 22 19 48 05 42 17 25 05 06 05 32 06 10 07 22 12 01 17 34 10.2 10.2 100 2341-0255 TUE MAR 28 18 45 19 23 19 48 06 22 18 27 05 05 05 31 06 09 07 27 12 05 17 37 10.1 10.1 100 0034+0417 WED MAR 29 18 45 19 23 19 49 07 02 19 29 05 04 05 30 06 08 07 31 12 09 17 40 10.1 10.0 99 0127+1112 THU MAR 30 18 45 19 23 19 49 07 44 20 32 05 04 05 29 06 07 07 35 12 13 17 43 10.1 9.0 88 0222+1722 FRI MAR 31 18 46 19 24 19 49 21 36 05 03 05 29 06 06 07 40 12 17 17 47 10.1 7.9 78 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