KECK OBSERVATORY CALENDAR FOR 1998 -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 1998 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight SUN NOV 01 17 58 18 37 19 03 16 06 04 59 05 09 05 35 06 13 21 26 02 24 07 34 10.1 0.2 1 0101+0238 MON NOV 02 17 58 18 36 19 02 16 54 06 03 05 09 05 35 06 13 21 29 02 28 07 38 10.1 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 33 02 32 07 42 10.1 0.0 0 0259+1153 WED NOV 04 17 57 18 35 19 01 18 36 05 10 05 36 06 14 21 36 02 36 07 47 10.2 0.0 0 0400+1528 THU NOV 05 17 56 18 35 19 01 19 31 05 10 05 36 06 15 21 40 02 40 07 51 10.2 0.5 4 0501+1757 FRI NOV 06 17 56 18 35 19 01 20 28 05 10 05 37 06 15 21 44 02 44 07 55 10.2 1.5 14 0603+1911 SAT NOV 07 17 56 18 34 19 00 21 26 05 11 05 37 06 16 21 47 02 48 08 00 10.2 2.4 23 0703+1910 SUN NOV 08 17 55 18 34 19 00 22 24 05 11 05 37 06 16 21 51 02 52 08 03 10.2 3.4 33 0800+1801 MON NOV 09 17 55 18 34 19 00 23 20 05 12 05 38 06 17 21 55 02 56 08 08 10.2 4.3 42 0855+1555 TUE NOV 10 17 55 18 33 19 00 00 15 05 12 05 38 06 17 21 59 03 00 08 12 10.2 5.2 51 0946+1305 WED NOV 11 17 54 18 33 18 59 01 07 05 13 05 39 06 18 22 02 03 03 08 17 10.2 6.1 59 1035+0943 THU NOV 12 17 54 18 33 18 59 01 57 05 13 05 39 06 18 22 06 03 07 08 21 10.2 7.0 68 1122+0601 FRI NOV 13 17 54 18 33 18 59 02 46 05 14 05 40 06 19 22 10 03 11 08 26 10.2 7.8 75 1208+0208 SAT NOV 14 17 53 18 33 18 59 03 34 05 14 05 40 06 20 22 13 03 15 08 30 10.2 8.6 83 1252-0148 SUN NOV 15 17 53 18 32 18 59 04 22 16 06 05 14 05 41 06 20 22 17 03 19 08 34 10.2 9.4 91 1337-0539 MON NOV 16 17 53 18 32 18 59 05 10 16 42 05 15 05 41 06 21 22 21 03 23 08 39 10.3 10.2 99 1423-0917 TUE NOV 17 17 53 18 32 18 59 05 59 17 20 05 15 05 42 06 21 22 25 03 27 08 43 10.3 10.3 100 1509-1234 WED NOV 18 17 53 18 32 18 58 06 49 18 00 05 16 05 42 06 22 22 28 03 31 08 48 10.3 10.3 100 1557-1521 THU NOV 19 17 52 18 32 18 58 07 39 18 42 05 16 05 43 06 22 22 32 03 35 08 52 10.3 10.3 100 1646-1731 FRI NOV 20 17 52 18 32 18 58 19 27 05 17 05 43 06 23 22 36 03 39 08 57 10.3 9.8 95 1736-1855 SAT NOV 21 17 52 18 32 18 58 20 15 05 17 05 44 06 24 22 40 03 43 09 01 10.3 9.0 87 1828-1928 SUN NOV 22 17 52 18 32 18 58 21 06 05 18 05 44 06 24 22 44 03 47 09 06 10.3 8.2 79 1921-1905 MON NOV 23 17 52 18 32 18 58 21 58 05 18 05 45 06 25 22 48 03 51 09 10 10.3 7.3 70 2013-1746 TUE NOV 24 17 52 18 32 18 58 22 52 05 19 05 46 06 25 22 52 03 55 09 15 10.3 6.4 62 2106-1531 WED NOV 25 17 52 18 32 18 58 23 47 05 19 05 46 06 26 22 56 03 59 09 19 10.3 5.5 53 2159-1226 THU NOV 26 17 52 18 32 18 59 00 44 05 20 05 47 06 27 23 01 04 03 09 23 10.3 4.6 44 2252-0838 FRI NOV 27 17 52 18 32 18 59 01 41 05 20 05 47 06 27 23 05 04 07 09 27 10.3 3.7 35 2345-0416 SAT NOV 28 17 52 18 32 18 59 02 41 05 21 05 48 06 28 23 09 04 10 09 32 10.4 2.7 25 0039+0027 SUN NOV 29 17 52 18 32 18 59 03 42 05 22 05 48 06 28 23 13 04 14 09 37 10.4 1.7 16 0134+0517 MON NOV 30 17 52 18 32 18 59 04 45 05 22 05 49 06 29 23 17 04 18 09 41 10.4 0.6 5 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