KECK OBSERVATORY CALENDAR FOR 1998 -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 1998 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN NOV 01 17 58 18 37 19 03 16 06 04 59 05 09 05 35 06 13 21 00 02 24 08 00 11.0 0.6 5 0101+0238 MON NOV 02 17 58 18 36 19 02 16 54 06 03 05 09 05 35 06 13 21 03 02 28 08 04 11.0 0.0 0 0159+0729 TUE NOV 03 17 57 18 36 19 02 17 43 07 08 05 09 05 35 06 14 21 07 02 32 08 08 11.0 0.0 0 0259+1153 WED NOV 04 17 57 18 35 19 01 18 36 05 10 05 36 06 14 21 10 02 36 08 13 11.0 0.0 0 0400+1528 THU NOV 05 17 56 18 35 19 01 19 31 05 10 05 36 06 15 21 14 02 40 08 17 11.0 0.9 8 0501+1757 FRI NOV 06 17 56 18 35 19 01 20 28 05 10 05 37 06 15 21 18 02 44 08 22 11.0 1.9 17 0603+1911 SAT NOV 07 17 56 18 34 19 00 21 26 05 11 05 37 06 16 21 21 02 48 08 26 11.0 2.9 25 0703+1910 SUN NOV 08 17 55 18 34 19 00 22 24 05 11 05 37 06 16 21 25 02 52 08 30 11.0 3.8 34 0800+1801 MON NOV 09 17 55 18 34 19 00 23 20 05 12 05 38 06 17 21 29 02 56 08 34 11.1 4.8 43 0855+1555 TUE NOV 10 17 55 18 33 19 00 00 15 05 12 05 38 06 17 21 32 03 00 08 38 11.1 5.7 51 0946+1305 WED NOV 11 17 54 18 33 18 59 01 07 05 13 05 39 06 18 21 36 03 03 08 43 11.1 6.6 59 1035+0943 THU NOV 12 17 54 18 33 18 59 01 57 05 13 05 39 06 18 21 39 03 07 08 47 11.1 7.4 66 1122+0601 FRI NOV 13 17 54 18 33 18 59 02 46 05 14 05 40 06 19 21 43 03 11 08 52 11.1 8.2 73 1208+0208 SAT NOV 14 17 53 18 33 18 59 03 34 05 14 05 40 06 20 21 47 03 15 08 56 11.1 9.0 81 1252-0148 SUN NOV 15 17 53 18 32 18 59 04 22 16 06 05 14 05 41 06 20 21 50 03 19 09 01 11.2 9.8 88 1337-0539 MON NOV 16 17 53 18 32 18 59 05 10 16 42 05 15 05 41 06 21 21 54 03 23 09 05 11.2 10.6 95 1423-0917 TUE NOV 17 17 53 18 32 18 59 05 59 17 20 05 15 05 42 06 21 21 58 03 27 09 10 11.2 11.2 100 1509-1234 WED NOV 18 17 53 18 32 18 58 06 49 18 00 05 16 05 42 06 22 22 02 03 31 09 14 11.2 11.2 100 1557-1521 THU NOV 19 17 52 18 32 18 58 07 39 18 42 05 16 05 43 06 22 22 06 03 35 09 19 11.2 11.0 98 1646-1731 FRI NOV 20 17 52 18 32 18 58 19 27 05 17 05 43 06 23 22 10 03 39 09 23 11.2 10.3 91 1736-1855 SAT NOV 21 17 52 18 32 18 58 20 15 05 17 05 44 06 24 22 14 03 43 09 28 11.2 9.5 84 1828-1928 SUN NOV 22 17 52 18 32 18 58 21 06 05 18 05 44 06 24 22 18 03 47 09 32 11.2 8.6 77 1921-1905 MON NOV 23 17 52 18 32 18 58 21 58 05 18 05 45 06 25 22 22 03 51 09 37 11.2 7.8 69 2013-1746 TUE NOV 24 17 52 18 32 18 58 22 52 05 19 05 46 06 25 22 26 03 55 09 42 11.2 6.9 61 2106-1531 WED NOV 25 17 52 18 32 18 58 23 47 05 19 05 46 06 26 22 30 03 59 09 46 11.2 6.0 53 2159-1226 THU NOV 26 17 52 18 32 18 59 00 44 05 20 05 47 06 27 22 34 04 03 09 51 11.3 5.0 44 2252-0838 FRI NOV 27 17 52 18 32 18 59 01 41 05 20 05 47 06 27 22 38 04 07 09 54 11.3 4.1 36 2345-0416 SAT NOV 28 17 52 18 32 18 59 02 41 05 21 05 48 06 28 22 42 04 10 09 59 11.3 3.1 27 0039+0027 SUN NOV 29 17 52 18 32 18 59 03 42 05 22 05 48 06 28 22 46 04 14 10 03 11.3 2.1 18 0134+0517 MON NOV 30 17 52 18 32 18 59 04 45 05 22 05 49 06 29 22 49 04 18 10 08 11.3 1.1 9 0232+0953 ONE LINE REFERS TO EVENING DATE FULL MOON NOV 04 05:23 UT AND FOLLOWING MORNING. LAST QUARTER NOV 11 00:29 UT All dates and times are zone HST NEW MOON NOV 19 04:31 UT in upper table (except sid time). FIRST QUARTER NOV 27 00:26 UT