KECK OBSERVATORY CALENDAR FOR 2000 -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 2000 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight SUN OCT 01 18 20 18 57 19 23 21 34 05 00 05 25 06 03 19 20 00 24 05 50 10.5 7.8 74 1622-1759 MON OCT 02 18 19 18 56 19 22 22 19 05 00 05 26 06 03 19 23 00 28 05 55 10.5 7.1 67 1713-2020 TUE OCT 03 18 18 18 56 19 21 23 05 05 00 05 26 06 04 19 27 00 32 05 59 10.5 6.3 60 1804-2143 WED OCT 04 18 17 18 55 19 20 23 53 05 01 05 26 06 04 19 30 00 36 06 03 10.5 5.6 52 1856-2207 THU OCT 05 18 16 18 54 19 19 00 43 05 01 05 26 06 04 19 33 00 40 06 07 10.5 4.7 44 1947-2130 FRI OCT 06 18 16 18 53 19 19 01 33 05 01 05 27 06 04 19 36 00 44 06 11 10.6 3.9 36 2037-1956 SAT OCT 07 18 15 18 52 19 18 02 25 05 01 05 27 06 05 19 39 00 47 06 15 10.6 3.0 28 2127-1729 SUN OCT 08 18 14 18 51 19 17 03 16 05 02 05 27 06 05 19 42 00 51 06 19 10.6 2.2 20 2215-1414 MON OCT 09 18 13 18 51 19 16 04 08 05 02 05 27 06 05 19 46 00 55 06 23 10.6 1.3 12 2303-1018 TUE OCT 10 18 12 18 50 19 15 16 37 05 00 05 02 05 28 06 05 19 48 00 59 06 28 10.6 0.5 4 2351-0551 WED OCT 11 18 11 18 49 19 15 17 15 05 53 05 02 05 28 06 06 19 51 01 03 06 32 10.6 0.0 0 0039-0101 THU OCT 12 18 11 18 48 19 14 17 54 06 48 05 03 05 28 06 06 19 54 01 07 06 36 10.7 0.0 0 0129+0357 FRI OCT 13 18 10 18 48 19 13 18 34 07 44 05 03 05 29 06 06 19 58 01 11 06 41 10.7 0.0 0 0219+0851 SAT OCT 14 18 09 18 47 19 12 19 16 05 03 05 29 06 07 20 01 01 15 06 45 10.7 0.5 4 0312+1323 SUN OCT 15 18 08 18 46 19 12 20 02 05 03 05 29 06 07 20 04 01 19 06 49 10.7 1.3 11 0408+1715 MON OCT 16 18 08 18 45 19 11 20 52 05 04 05 29 06 07 20 07 01 23 06 53 10.7 2.1 19 0506+2010 TUE OCT 17 18 07 18 45 19 10 21 46 05 04 05 30 06 08 20 11 01 27 06 58 10.8 3.0 28 0606+2152 WED OCT 18 18 06 18 44 19 10 22 45 05 04 05 30 06 08 20 14 01 31 07 02 10.8 4.0 37 0707+2212 THU OCT 19 18 06 18 43 19 09 23 46 05 05 05 30 06 08 20 17 01 35 07 06 10.8 5.0 46 0807+2107 FRI OCT 20 18 05 18 43 19 08 00 47 05 05 05 31 06 09 20 21 01 39 07 11 10.8 6.1 56 0907+1843 SAT OCT 21 18 04 18 42 19 08 01 49 05 05 05 31 06 09 20 24 01 43 07 15 10.8 7.1 65 1004+1512 SUN OCT 22 18 03 18 42 19 07 02 49 05 06 05 31 06 09 20 28 01 47 07 19 10.8 8.1 75 1058+1051 MON OCT 23 18 03 18 41 19 07 03 47 16 02 05 06 05 32 06 10 20 31 01 51 07 23 10.9 9.1 83 1151+0556 TUE OCT 24 18 02 18 40 19 06 04 44 16 43 05 06 05 32 06 10 20 34 01 55 07 27 10.9 10.1 92 1242+0047 WED OCT 25 18 02 18 40 19 06 05 39 17 24 05 06 05 32 06 10 20 38 01 58 07 31 10.9 10.9 100 1332-0419 THU OCT 26 18 01 18 39 19 05 06 34 18 04 05 07 05 33 06 11 20 41 02 02 07 36 10.9 10.9 100 1422-0908 FRI OCT 27 18 00 18 39 19 05 07 29 18 45 05 07 05 33 06 11 20 44 02 06 07 40 10.9 10.8 99 1513-1327 SAT OCT 28 18 00 18 38 19 04 19 27 05 07 05 33 06 12 20 47 02 10 07 44 10.9 10.1 92 1603-1703 SUN OCT 29 17 59 18 38 19 04 20 11 05 08 05 34 06 12 20 51 02 14 07 49 10.9 9.4 85 1655-1948 MON OCT 30 17 59 18 37 19 03 20 57 05 08 05 34 06 13 20 54 02 18 07 53 10.9 8.6 78 1746-2135 TUE OCT 31 17 58 18 37 19 03 21 45 05 09 05 35 06 13 20 58 02 22 07 58 11.0 7.8 71 1838-2221 ONE LINE REFERS TO EVENING DATE FIRST QUARTER OCT 05 11:03 UT AND FOLLOWING MORNING. FULL MOON OCT 13 08:55 UT All dates and times are zone HST LAST QUARTER OCT 20 08:03 UT in upper table (except sid time). NEW MOON OCT 27 08:00 UT