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 WED MAR 01 18 37 19 15 19 40 04 10 05 28 05 53 06 31 05 59 10 20 15 49 9.8 8.5 86 2005-1956 THU MAR 02 18 38 19 15 19 41 04 55 05 27 05 52 06 30 06 04 10 24 15 52 9.8 9.2 94 2056-1802 FRI MAR 03 18 38 19 16 19 41 05 39 16 47 05 26 05 52 06 29 06 08 10 28 15 55 9.8 9.8 100 2147-1516 SAT MAR 04 18 38 19 16 19 41 06 21 17 41 05 25 05 51 06 28 06 12 10 32 15 58 9.7 9.7 100 2237-1143 SUN MAR 05 18 39 19 16 19 42 07 02 18 34 05 25 05 50 06 28 06 17 10 36 16 02 9.7 9.7 100 2327-0733 MON MAR 06 18 39 19 16 19 42 07 42 19 29 05 24 05 49 06 27 06 21 10 40 16 05 9.7 9.7 100 0017-0257 TUE MAR 07 18 39 19 17 19 42 20 24 05 23 05 49 06 26 06 25 10 44 16 08 9.7 9.0 92 0107+0152 WED MAR 08 18 40 19 17 19 43 21 20 05 22 05 48 06 25 06 30 10 48 16 11 9.6 8.0 83 0158+0640 THU MAR 09 18 40 19 17 19 43 22 17 05 21 05 47 06 24 06 34 10 52 16 14 9.6 7.1 73 0251+1111 FRI MAR 10 18 40 19 18 19 43 23 17 05 21 05 46 06 24 06 38 10 56 16 17 9.6 6.1 62 0346+1508 SAT MAR 11 18 40 19 18 19 44 00 17 05 20 05 45 06 23 06 43 11 00 16 20 9.6 5.1 52 0443+1816 SUN MAR 12 18 41 19 18 19 44 01 18 05 19 05 44 06 22 06 47 11 03 16 23 9.6 4.0 41 0542+2019 MON MAR 13 18 41 19 19 19 44 02 19 05 18 05 44 06 21 06 51 11 07 16 26 9.6 3.0 31 0643+2106 TUE MAR 14 18 41 19 19 19 44 03 17 05 17 05 43 06 20 06 55 11 11 16 29 9.5 2.0 20 0744+2032 WED MAR 15 18 42 19 19 19 45 04 11 05 16 05 42 06 19 07 00 11 15 16 32 9.5 1.1 11 0843+1841 THU MAR 16 18 42 19 19 19 45 05 02 05 15 05 41 06 19 07 04 11 19 16 35 9.5 0.2 2 0941+1541 FRI MAR 17 18 42 19 20 19 45 16 25 05 48 05 15 05 40 06 18 07 08 11 23 16 39 9.5 0.0 0 1037+1147 SAT MAR 18 18 42 19 20 19 46 17 24 06 31 05 14 05 39 06 17 07 12 11 27 16 42 9.5 0.0 0 1130+0719 SUN MAR 19 18 43 19 20 19 46 18 20 07 12 05 13 05 38 06 16 07 16 11 31 16 45 9.5 0.0 0 1221+0232 MON MAR 20 18 43 19 21 19 46 19 16 07 52 05 12 05 38 06 15 07 20 11 35 16 48 9.4 0.0 0 1311-0215 TUE MAR 21 18 43 19 21 19 47 20 09 05 11 05 37 06 14 07 25 11 39 16 51 9.4 0.4 3 1400-0650 WED MAR 22 18 44 19 21 19 47 21 02 05 10 05 36 06 13 07 29 11 43 16 54 9.4 1.2 13 1448-1101 THU MAR 23 18 44 19 21 19 47 21 54 05 09 05 35 06 12 07 33 11 47 16 57 9.4 2.1 22 1537-1438 FRI MAR 24 18 44 19 22 19 47 22 45 05 08 05 34 06 12 07 37 11 51 17 00 9.4 3.0 31 1626-1733 SAT MAR 25 18 44 19 22 19 48 23 36 05 07 05 33 06 11 07 42 11 55 17 03 9.3 3.8 40 1716-1940 SUN MAR 26 18 45 19 22 19 48 00 26 05 06 05 32 06 10 07 46 11 59 17 06 9.3 4.6 49 1806-2054 MON MAR 27 18 45 19 23 19 48 01 15 05 05 05 31 06 09 07 50 12 03 17 08 9.3 5.5 58 1857-2112 TUE MAR 28 18 45 19 23 19 49 02 03 05 04 05 30 06 08 07 55 12 07 17 11 9.2 6.2 67 1948-2033 WED MAR 29 18 45 19 23 19 49 02 48 05 04 05 29 06 07 07 59 12 11 17 15 9.2 7.0 75 2039-1858 THU MAR 30 18 46 19 24 19 49 03 32 05 03 05 29 06 06 08 03 12 14 17 18 9.2 7.7 83 2129-1629 FRI MAR 31 18 46 19 24 19 50 04 15 05 02 05 28 06 05 08 08 12 18 17 21 9.2 8.4 91 2219-1311 ONE LINE REFERS TO EVENING DATE NEW MOON MAR 06 05:20 UT AND FOLLOWING MORNING. FIRST QUARTER MAR 13 07:01 UT All dates and times are zone HST FULL MOON MAR 20 04:48 UT in upper table (except sid time). LAST QUARTER MAR 28 00:23 UT