KECK OBSERVATORY CALENDAR FOR 1999 -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 1999 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight MON MAR 01 18 37 19 15 19 40 18 08 07 17 05 28 05 54 06 32 05 31 10 17 16 12 10.7 0.0 0 1103+0808 TUE MAR 02 18 37 19 15 19 40 19 01 07 56 05 28 05 53 06 31 05 35 10 21 16 15 10.6 0.0 0 1152+0405 WED MAR 03 18 38 19 15 19 41 19 52 05 27 05 52 06 30 05 39 10 25 16 18 10.6 0.6 5 1239-0002 THU MAR 04 18 38 19 16 19 41 20 42 05 26 05 52 06 29 05 44 10 29 16 22 10.6 1.4 13 1325-0406 FRI MAR 05 18 38 19 16 19 41 21 31 05 25 05 51 06 28 05 48 10 33 16 25 10.6 2.2 21 1411-0757 SAT MAR 06 18 39 19 16 19 42 22 20 05 25 05 50 06 28 05 52 10 37 16 28 10.6 3.1 29 1457-1126 SUN MAR 07 18 39 19 16 19 42 23 09 05 24 05 49 06 27 05 56 10 41 16 31 10.6 3.9 36 1544-1427 MON MAR 08 18 39 19 17 19 42 23 59 05 23 05 49 06 26 06 01 10 45 16 35 10.5 4.7 44 1632-1652 TUE MAR 09 18 40 19 17 19 43 00 49 05 22 05 48 06 25 06 05 10 49 16 38 10.5 5.5 52 1722-1834 WED MAR 10 18 40 19 17 19 43 01 39 05 21 05 47 06 24 06 09 10 53 16 41 10.5 6.4 60 1813-1927 THU MAR 11 18 40 19 18 19 43 02 29 05 21 05 46 06 24 06 14 10 57 16 44 10.5 7.2 68 1905-1927 FRI MAR 12 18 40 19 18 19 44 03 19 05 20 05 45 06 23 06 18 11 01 16 46 10.5 8.0 76 1958-1828 SAT MAR 13 18 41 19 18 19 44 04 08 05 19 05 44 06 22 06 22 11 04 16 49 10.4 8.8 84 2053-1630 SUN MAR 14 18 41 19 19 19 44 04 55 16 06 05 18 05 44 06 21 06 27 11 08 16 53 10.4 9.6 92 2147-1334 MON MAR 15 18 41 19 19 19 44 05 42 17 04 05 17 05 43 06 20 06 31 11 12 16 56 10.4 10.4 99 2242-0948 TUE MAR 16 18 42 19 19 19 45 06 28 18 04 05 16 05 42 06 19 06 35 11 16 16 59 10.4 10.4 100 2337-0522 WED MAR 17 18 42 19 19 19 45 07 13 19 04 05 15 05 41 06 19 06 38 11 20 17 02 10.4 10.4 100 0032-0033 THU MAR 18 18 42 19 20 19 45 07 59 20 05 05 15 05 40 06 18 06 43 11 24 17 05 10.3 9.6 92 0127+0421 FRI MAR 19 18 42 19 20 19 46 21 06 05 14 05 39 06 17 06 47 11 28 17 08 10.3 8.5 82 0224+0901 SAT MAR 20 18 43 19 20 19 46 22 09 05 13 05 38 06 16 06 51 11 32 17 11 10.3 7.5 72 0321+1307 SUN MAR 21 18 43 19 21 19 46 23 11 05 12 05 38 06 15 06 56 11 36 17 15 10.3 6.5 62 0419+1622 MON MAR 22 18 43 19 21 19 47 00 13 05 11 05 37 06 14 07 00 11 40 17 18 10.3 5.4 52 0519+1833 TUE MAR 23 18 44 19 21 19 47 01 12 05 10 05 36 06 13 07 04 11 44 17 21 10.2 4.4 42 0618+1934 WED MAR 24 18 44 19 21 19 47 02 08 05 09 05 35 06 12 07 08 11 48 17 24 10.2 3.5 33 0716+1924 THU MAR 25 18 44 19 22 19 47 03 01 05 08 05 34 06 12 07 13 11 52 17 27 10.2 2.5 25 0813+1806 FRI MAR 26 18 44 19 22 19 48 03 49 05 07 05 33 06 11 07 17 11 56 17 30 10.2 1.7 17 0907+1551 SAT MAR 27 18 45 19 22 19 48 04 33 05 06 05 32 06 10 07 21 12 00 17 33 10.2 1.0 9 0959+1250 SUN MAR 28 18 45 19 23 19 48 16 02 05 15 05 05 05 31 06 09 07 26 12 04 17 35 10.1 0.3 2 1049+0915 MON MAR 29 18 45 19 23 19 49 16 54 05 54 05 04 05 30 06 08 07 30 12 08 17 38 10.1 0.0 0 1137+0518 TUE MAR 30 18 45 19 23 19 49 17 46 06 32 05 04 05 29 06 07 07 34 12 11 17 41 10.1 0.0 0 1224+0111 WED MAR 31 18 46 19 24 19 49 18 36 07 09 05 03 05 29 06 06 07 39 12 15 17 45 10.1 0.0 0 1310-0255 ONE LINE REFERS TO EVENING DATE FULL MOON MAR 02 07:03 UT AND FOLLOWING MORNING. LAST QUARTER MAR 10 08:44 UT All dates and times are zone HST NEW MOON MAR 17 18:49 UT in upper table (except sid time). FIRST QUARTER MAR 24 10:21 UT FULL MOON MAR 31 22:51 UT