KECK OBSERVATORY CALENDAR FOR 2008 -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 2008 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 12 12 h h % midnight WED OCT 01 18 20 18 57 19 23 19 52 05 00 05 25 06 03 19 20 00 24 05 50 10.5 9.5 91 1448-2134 THU OCT 02 18 19 18 56 19 22 20 35 05 00 05 26 06 03 19 23 00 28 05 55 10.5 8.8 84 1539-2439 FRI OCT 03 18 18 18 56 19 21 21 20 05 00 05 26 06 04 19 27 00 32 05 59 10.5 8.1 77 1631-2637 SAT OCT 04 18 17 18 55 19 20 22 09 05 01 05 26 06 04 19 30 00 36 06 03 10.5 7.3 69 1724-2721 SUN OCT 05 18 16 18 54 19 19 23 01 05 01 05 26 06 04 19 33 00 40 06 07 10.5 6.4 60 1817-2650 MON OCT 06 18 16 18 53 19 19 23 54 05 01 05 27 06 04 19 36 00 44 06 12 10.6 5.6 52 1910-2505 TUE OCT 07 18 15 18 52 19 18 00 48 05 01 05 27 06 05 19 39 00 48 06 16 10.6 4.6 43 2001-2211 WED OCT 08 18 14 18 51 19 17 01 42 05 02 05 27 06 05 19 42 00 52 06 20 10.6 3.7 35 2051-1815 THU OCT 09 18 13 18 51 19 16 02 36 05 02 05 27 06 05 19 46 00 56 06 24 10.6 2.8 26 2139-1325 FRI OCT 10 18 12 18 50 19 15 03 29 05 02 05 28 06 05 19 49 01 00 06 28 10.6 2.0 18 2227-0753 SAT OCT 11 18 11 18 49 19 15 04 24 05 02 05 28 06 06 19 52 01 04 06 32 10.6 1.1 10 2315-0150 SUN OCT 12 18 11 18 48 19 14 16 27 05 21 05 03 05 28 06 06 19 55 01 07 06 36 10.7 0.1 1 0004+0428 MON OCT 13 18 10 18 48 19 13 17 05 06 20 05 03 05 29 06 06 19 59 01 11 06 41 10.7 0.0 0 0055+1043 TUE OCT 14 18 09 18 47 19 12 17 46 07 23 05 03 05 29 06 07 20 01 01 15 06 45 10.7 0.0 0 0150+1632 WED OCT 15 18 08 18 46 19 12 18 32 05 03 05 29 06 07 20 04 01 19 06 49 10.7 0.0 0 0248+2129 THU OCT 16 18 08 18 45 19 11 19 24 05 04 05 29 06 07 20 07 01 23 06 53 10.7 0.6 6 0350+2506 FRI OCT 17 18 07 18 45 19 10 20 22 05 04 05 30 06 08 20 11 01 27 06 58 10.8 1.6 15 0455+2701 SAT OCT 18 18 06 18 44 19 10 21 25 05 04 05 30 06 08 20 14 01 31 07 02 10.8 2.7 24 0600+2703 SUN OCT 19 18 06 18 43 19 09 22 30 05 05 05 30 06 08 20 17 01 35 07 06 10.8 3.8 35 0704+2516 MON OCT 20 18 05 18 43 19 08 23 35 05 05 05 31 06 09 20 21 01 39 07 11 10.8 4.9 45 0803+2155 TUE OCT 21 18 04 18 42 19 08 00 37 05 05 05 31 06 09 20 24 01 43 07 15 10.8 5.9 54 0859+1725 WED OCT 22 18 03 18 42 19 07 01 36 05 06 05 31 06 09 20 28 01 47 07 19 10.8 6.9 63 0950+1206 THU OCT 23 18 03 18 41 19 07 02 31 05 06 05 32 06 10 20 31 01 51 07 24 10.9 7.8 72 1039+0620 FRI OCT 24 18 02 18 40 19 06 03 24 05 06 05 32 06 10 20 34 01 55 07 28 10.9 8.7 80 1125+0024 SAT OCT 25 18 02 18 40 19 06 04 16 16 01 05 06 05 32 06 10 20 38 01 59 07 32 10.9 9.6 88 1211-0526 SUN OCT 26 18 01 18 39 19 05 05 08 16 36 05 07 05 33 06 11 20 41 02 03 07 37 10.9 10.5 96 1257-1059 MON OCT 27 18 00 18 39 19 05 06 01 17 11 05 07 05 33 06 11 20 45 02 07 07 41 10.9 10.9 100 1345-1601 TUE OCT 28 18 00 18 38 19 04 06 54 17 50 05 07 05 33 06 12 20 48 02 11 07 44 10.9 10.9 100 1433-2019 WED OCT 29 17 59 18 38 19 04 07 48 18 31 05 08 05 34 06 12 20 52 02 14 07 49 10.9 10.9 100 1523-2341 THU OCT 30 17 59 18 37 19 03 19 15 05 08 05 34 06 13 20 55 02 18 07 53 10.9 10.3 94 1615-2558 FRI OCT 31 17 58 18 37 19 03 20 03 05 09 05 35 06 13 20 58 02 22 07 58 11.0 9.5 86 1708-2703 ONE LINE REFERS TO EVENING DATE FIRST QUARTER OCT 07 09:08 UT AND FOLLOWING MORNING. FULL MOON OCT 14 20:05 UT All dates and times are zone HST LAST QUARTER OCT 21 11:58 UT in upper table (except sid time). NEW MOON OCT 28 23:15 UT