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 THU JAN 01 18 05 18 45 19 12 21 30 05 39 06 06 06 46 01 10 06 25 12 32 11.3 8.6 75 2211-1007 FRI JAN 02 18 05 18 46 19 13 22 30 05 39 06 06 06 46 01 15 06 29 12 36 11.3 7.6 67 2306-0600 SAT JAN 03 18 06 18 47 19 14 23 29 05 39 06 06 06 47 01 20 06 33 12 40 11.3 6.6 58 0000-0134 SUN JAN 04 18 07 18 47 19 14 00 27 05 40 06 07 06 47 01 23 06 37 12 45 11.3 5.7 49 0054+0255 MON JAN 05 18 07 18 48 19 15 01 26 05 40 06 07 06 47 01 28 06 41 12 49 11.3 4.7 41 0148+0715 TUE JAN 06 18 08 18 48 19 15 02 24 05 40 06 07 06 47 01 32 06 45 12 53 11.3 3.7 32 0242+1108 WED JAN 07 18 09 18 49 19 16 03 23 05 41 06 07 06 48 01 37 06 49 12 57 11.3 2.7 24 0337+1423 THU JAN 08 18 09 18 49 19 16 04 21 05 41 06 08 06 48 01 41 06 53 13 02 11.3 1.8 15 0433+1648 FRI JAN 09 18 10 18 50 19 17 05 18 05 41 06 08 06 48 01 46 06 57 13 06 11.3 0.8 7 0530+1815 SAT JAN 10 18 11 18 51 19 18 16 27 06 13 05 41 06 08 06 48 01 51 07 01 13 10 11.3 0.0 0 0626+1839 SUN JAN 11 18 11 18 51 19 18 17 21 07 04 05 42 06 08 06 48 01 55 07 05 13 14 11.3 0.0 0 0721+1802 MON JAN 12 18 12 18 52 19 19 18 15 07 52 05 42 06 09 06 49 02 00 07 09 13 19 11.3 0.0 0 0814+1630 TUE JAN 13 18 12 18 52 19 19 19 08 05 42 06 09 06 49 02 04 07 13 13 23 11.3 0.3 2 0906+1411 WED JAN 14 18 13 18 53 19 20 20 01 05 42 06 09 06 49 02 09 07 17 13 27 11.3 1.1 10 0955+1116 THU JAN 15 18 14 18 54 19 20 20 51 05 42 06 09 06 49 02 14 07 21 13 31 11.3 2.0 17 1043+0755 FRI JAN 16 18 14 18 54 19 21 21 40 05 42 06 09 06 49 02 18 07 25 13 35 11.3 2.8 24 1129+0418 SAT JAN 17 18 15 18 55 19 22 22 29 05 42 06 09 06 49 02 23 07 29 13 39 11.2 3.6 31 1214+0032 SUN JAN 18 18 16 18 55 19 22 23 17 05 43 06 09 06 49 02 27 07 33 13 43 11.2 4.4 38 1259-0312 MON JAN 19 18 16 18 56 19 23 00 05 05 43 06 09 06 49 02 32 07 36 13 46 11.2 5.2 45 1344-0651 TUE JAN 20 18 17 18 57 19 23 00 54 05 43 06 09 06 49 02 37 07 40 13 50 11.2 5.9 53 1431-1015 WED JAN 21 18 18 18 57 19 24 01 44 05 43 06 09 06 49 02 41 07 44 13 54 11.2 6.8 60 1519-1317 THU JAN 22 18 18 18 58 19 24 02 36 05 43 06 09 06 49 02 45 07 48 13 58 11.2 7.6 68 1609-1547 FRI JAN 23 18 19 18 58 19 25 03 30 05 43 06 09 06 49 02 49 07 52 14 02 11.2 8.5 76 1702-1735 SAT JAN 24 18 19 18 59 19 25 04 26 05 43 06 09 06 49 02 54 07 56 14 06 11.2 9.4 84 1758-1831 SUN JAN 25 18 20 18 59 19 26 05 21 16 16 05 43 06 09 06 48 02 58 08 00 14 10 11.2 10.4 92 1855-1824 MON JAN 26 18 21 19 00 19 26 06 16 17 14 05 43 06 09 06 48 03 03 08 04 14 14 11.2 11.2 100 1954-1710 TUE JAN 27 18 21 19 00 19 27 07 09 18 15 05 42 06 09 06 48 03 07 08 08 14 18 11.2 11.2 100 2053-1450 WED JAN 28 18 22 19 01 19 27 08 00 19 16 05 42 06 09 06 48 03 12 08 12 14 22 11.1 10.9 97 2152-1132 THU JAN 29 18 22 19 02 19 28 20 18 05 42 06 08 06 48 03 17 08 16 14 25 11.1 9.8 88 2249-0729 FRI JAN 30 18 23 19 02 19 28 21 20 05 42 06 08 06 47 03 21 08 20 14 29 11.1 8.8 79 2345-0300 SAT JAN 31 18 24 19 03 19 29 22 20 05 42 06 08 06 47 03 26 08 24 14 33 11.1 7.8 70 0040+0137 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JAN 05 14:21 UT AND FOLLOWING MORNING. FULL MOON JAN 12 17:27 UT All dates and times are zone HST LAST QUARTER JAN 20 19:44 UT in upper table (except sid time). NEW MOON JAN 28 06:03 UT 1 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 FEB 01 18 24 19 03 19 29 23 20 05 42 06 08 06 47 03 30 08 28 14 37 11.1 6.8 61 0135+0605 MON FEB 02 18 25 19 04 19 30 00 19 05 41 06 08 06 46 03 35 08 32 14 41 11.1 5.8 52 0230+1008 TUE FEB 03 18 25 19 04 19 30 01 18 05 41 06 07 06 46 03 39 08 36 14 44 11.0 4.8 43 0325+1333 WED FEB 04 18 26 19 05 19 31 02 16 05 41 06 07 06 46 03 44 08 40 14 48 11.0 3.9 34 0420+1610 THU FEB 05 18 26 19 05 19 31 03 12 05 41 06 07 06 45 03 48 08 43 14 51 11.0 2.9 26 0516+1751 FRI FEB 06 18 27 19 06 19 32 04 07 05 40 06 06 06 45 03 53 08 47 14 54 11.0 2.0 18 0611+1833 SAT FEB 07 18 27 19 06 19 32 04 58 05 40 06 06 06 45 03 57 08 51 14 58 11.0 1.1 10 0706+1814 SUN FEB 08 18 28 19 06 19 32 16 08 05 47 05 40 06 06 06 44 04 00 08 55 15 02 11.0 0.3 2 0759+1700 MON FEB 09 18 28 19 07 19 33 17 01 06 32 05 39 06 05 06 44 04 05 08 59 15 05 11.0 0.0 0 0850+1458 TUE FEB 10 18 29 19 07 19 33 17 53 07 14 05 39 06 05 06 43 04 09 09 03 15 09 11.0 0.0 0 0940+1216 WED FEB 11 18 29 19 08 19 34 18 44 07 54 05 39 06 04 06 43 04 14 09 07 15 12 10.9 0.0 0 1028+0904 THU FEB 12 18 30 19 08 19 34 19 34 05 38 06 04 06 42 04 18 09 11 15 16 10.9 0.4 3 1114+0532 FRI FEB 13 18 30 19 09 19 35 20 22 05 38 06 03 06 42 04 23 09 15 15 19 10.9 1.2 11 1200+0149 SAT FEB 14 18 31 19 09 19 35 21 10 05 37 06 03 06 41 04 27 09 19 15 23 10.9 2.0 18 1245-0156 SUN FEB 15 18 31 19 10 19 35 21 58 05 37 06 02 06 41 04 32 09 23 15 26 10.9 2.8 25 1330-0536 MON FEB 16 18 32 19 10 19 36 22 47 05 36 06 02 06 40 04 36 09 27 15 30 10.9 3.6 33 1416-0904 TUE FEB 17 18 32 19 10 19 36 23 36 05 36 06 01 06 40 04 40 09 31 15 33 10.9 4.4 40 1503-1212 WED FEB 18 18 33 19 11 19 36 00 26 05 35 06 01 06 39 04 45 09 35 15 37 10.8 5.3 48 1551-1452 THU FEB 19 18 33 19 11 19 37 01 18 05 35 06 00 06 38 04 49 09 39 15 40 10.8 6.1 56 1642-1654 FRI FEB 20 18 33 19 11 19 37 02 11 05 34 06 00 06 38 04 53 09 43 15 44 10.8 7.0 64 1735-1810 SAT FEB 21 18 34 19 12 19 37 03 05 05 33 05 59 06 37 04 58 09 47 15 47 10.8 7.9 73 1831-1830 SUN FEB 22 18 34 19 12 19 38 03 59 05 33 05 59 06 36 05 02 09 50 15 50 10.8 8.8 81 1928-1748 MON FEB 23 18 35 19 13 19 38 04 53 05 32 05 58 06 36 05 07 09 54 15 53 10.7 9.7 89 2027-1559 TUE FEB 24 18 35 19 13 19 39 05 45 16 56 05 32 05 57 06 35 05 11 09 58 15 56 10.7 10.5 98 2126-1307 WED FEB 25 18 35 19 13 19 39 06 36 17 58 05 31 05 57 06 34 05 15 10 02 16 00 10.7 10.7 100 2224-0920 THU FEB 26 18 36 19 14 19 39 07 25 19 01 05 30 05 56 06 34 05 19 10 06 16 03 10.7 10.7 100 2322-0455 FRI FEB 27 18 36 19 14 19 40 20 04 05 30 05 55 06 33 05 23 10 10 16 06 10.7 9.8 92 0020-0010 SAT FEB 28 18 37 19 14 19 40 21 07 05 29 05 55 06 32 05 27 10 14 16 10 10.7 8.8 82 0117+0432 ONE LINE REFERS TO EVENING DATE FIRST QUARTER FEB 03 22:57 UT AND FOLLOWING MORNING. FULL MOON FEB 11 10:26 UT All dates and times are zone HST LAST QUARTER FEB 19 15:31 UT in upper table (except sid time). NEW MOON FEB 26 17:27 UT 1 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 MAR 01 18 37 19 15 19 40 22 09 05 28 05 54 06 32 05 32 10 18 16 13 10.7 7.8 72 0213+0854 MON MAR 02 18 37 19 15 19 40 23 10 05 28 05 53 06 31 05 36 10 22 16 16 10.6 6.7 63 0310+1238 TUE MAR 03 18 38 19 15 19 41 00 10 05 27 05 52 06 30 05 40 10 26 16 19 10.6 5.7 53 0406+1532 WED MAR 04 18 38 19 16 19 41 01 08 05 26 05 52 06 29 05 45 10 30 16 23 10.6 4.7 44 0503+1729 THU MAR 05 18 38 19 16 19 41 02 03 05 25 05 51 06 28 05 49 10 34 16 26 10.6 3.8 35 0558+1825 FRI MAR 06 18 39 19 16 19 42 02 55 05 25 05 50 06 28 05 53 10 38 16 29 10.6 2.9 27 0653+1821 SAT MAR 07 18 39 19 16 19 42 03 44 05 24 05 49 06 27 05 57 10 42 16 32 10.6 2.1 19 0746+1721 SUN MAR 08 18 39 19 17 19 42 04 30 05 23 05 49 06 26 06 02 10 46 16 36 10.5 1.3 12 0838+1531 MON MAR 09 18 40 19 17 19 43 05 13 05 22 05 48 06 25 06 06 10 50 16 39 10.5 0.6 5 0927+1300 TUE MAR 10 18 40 19 17 19 43 16 39 05 53 05 21 05 47 06 24 06 10 10 54 16 42 10.5 0.0 0 1015+0957 WED MAR 11 18 40 19 18 19 43 17 29 06 31 05 21 05 46 06 24 06 15 10 58 16 44 10.5 0.0 0 1102+0631 THU MAR 12 18 40 19 18 19 44 18 18 07 08 05 20 05 45 06 23 06 19 11 01 16 47 10.5 0.0 0 1147+0251 FRI MAR 13 18 41 19 18 19 44 19 06 07 44 05 19 05 44 06 22 06 23 11 05 16 50 10.4 0.0 0 1232-0053 SAT MAR 14 18 41 19 19 19 44 19 54 05 18 05 44 06 21 06 28 11 09 16 54 10.4 0.6 5 1317-0436 SUN MAR 15 18 41 19 19 19 44 20 42 05 17 05 43 06 20 06 32 11 13 16 57 10.4 1.4 13 1403-0809 MON MAR 16 18 42 19 19 19 45 21 31 05 16 05 42 06 19 06 35 11 17 17 00 10.4 2.2 21 1449-1123 TUE MAR 17 18 42 19 19 19 45 22 20 05 15 05 41 06 19 06 39 11 21 17 03 10.4 3.0 29 1537-1411 WED MAR 18 18 42 19 20 19 45 23 11 05 15 05 40 06 18 06 44 11 25 17 06 10.3 3.8 37 1627-1623 THU MAR 19 18 42 19 20 19 46 00 02 05 14 05 39 06 17 06 48 11 29 17 09 10.3 4.7 45 1718-1753 FRI MAR 20 18 43 19 20 19 46 00 54 05 13 05 38 06 16 06 52 11 33 17 12 10.3 5.6 54 1811-1831 SAT MAR 21 18 43 19 21 19 46 01 47 05 12 05 38 06 15 06 57 11 37 17 16 10.3 6.4 62 1906-1813 SUN MAR 22 18 43 19 21 19 47 02 39 05 11 05 37 06 14 07 01 11 41 17 19 10.3 7.3 71 2003-1653 MON MAR 23 18 44 19 21 19 47 03 31 05 10 05 36 06 13 07 05 11 45 17 22 10.2 8.2 79 2100-1431 TUE MAR 24 18 44 19 21 19 47 04 21 05 09 05 35 06 12 07 09 11 49 17 25 10.2 9.0 87 2158-1111 WED MAR 25 18 44 19 22 19 47 05 10 16 39 05 08 05 34 06 12 07 14 11 53 17 28 10.2 9.8 96 2255-0704 THU MAR 26 18 44 19 22 19 48 05 59 17 42 05 07 05 33 06 11 07 18 11 57 17 31 10.2 10.2 100 2353-0224 FRI MAR 27 18 45 19 22 19 48 06 48 18 46 05 06 05 32 06 10 07 22 12 01 17 34 10.2 10.2 100 0051+0227 SAT MAR 28 18 45 19 23 19 48 07 37 19 49 05 05 05 31 06 09 07 27 12 05 17 36 10.1 9.7 95 0149+0708 SUN MAR 29 18 45 19 23 19 49 20 53 05 04 05 30 06 08 07 31 12 08 17 39 10.1 8.6 85 0248+1119 MON MAR 30 18 45 19 23 19 49 21 56 05 04 05 29 06 07 07 35 12 12 17 42 10.1 7.6 74 0346+1441 TUE MAR 31 18 46 19 24 19 49 22 57 05 03 05 29 06 06 07 40 12 16 17 46 10.1 6.5 64 0445+1703 ONE LINE REFERS TO EVENING DATE FIRST QUARTER MAR 05 08:44 UT AND FOLLOWING MORNING. FULL MOON MAR 13 04:36 UT All dates and times are zone HST LAST QUARTER MAR 21 07:43 UT in upper table (except sid time). NEW MOON MAR 28 03:14 UT 1 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 WED APR 01 18 46 19 24 19 50 23 56 05 02 05 28 06 05 07 44 12 20 17 49 10.1 5.5 54 0543+1821 THU APR 02 18 46 19 24 19 50 00 51 05 01 05 27 06 05 07 47 12 24 17 52 10.1 4.6 45 0639+1833 FRI APR 03 18 46 19 24 19 50 01 42 05 00 05 26 06 04 07 51 12 28 17 55 10.0 3.7 37 0733+1746 SAT APR 04 18 47 19 25 19 51 02 29 04 59 05 25 06 03 07 56 12 32 17 58 10.0 2.9 29 0825+1607 SUN APR 05 18 47 19 25 19 51 03 12 04 58 05 24 06 02 08 00 12 36 18 01 10.0 2.2 22 0916+1344 MON APR 06 18 47 19 25 19 52 03 53 04 57 05 23 06 01 08 04 12 40 18 04 10.0 1.5 15 1004+1047 TUE APR 07 18 48 19 26 19 52 04 31 04 56 05 22 06 00 08 09 12 44 18 07 9.9 0.9 8 1050+0726 WED APR 08 18 48 19 26 19 52 16 14 05 09 04 55 05 21 06 00 08 13 12 48 18 10 9.9 0.2 2 1136+0348 THU APR 09 18 48 19 26 19 53 17 03 05 45 04 54 05 20 05 59 08 17 12 52 18 13 9.9 0.0 0 1221+0003 FRI APR 10 18 48 19 27 19 53 17 51 06 21 04 53 05 20 05 58 08 22 12 56 18 17 9.9 0.0 0 1306-0342 SAT APR 11 18 49 19 27 19 53 18 39 06 59 04 52 05 19 05 57 08 26 13 00 18 20 9.9 0.0 0 1351-0719 SUN APR 12 18 49 19 27 19 54 19 27 07 38 04 51 05 18 05 56 08 30 13 04 18 23 9.8 0.0 0 1437-1041 MON APR 13 18 49 19 28 19 54 20 17 04 50 05 17 05 55 08 35 13 08 18 25 9.8 0.8 8 1525-1338 TUE APR 14 18 50 19 28 19 55 21 07 04 50 05 16 05 55 08 39 13 12 18 28 9.8 1.6 16 1614-1601 WED APR 15 18 50 19 28 19 55 21 58 04 49 05 15 05 54 08 43 13 16 18 31 9.8 2.5 25 1705-1743 THU APR 16 18 50 19 29 19 56 22 50 04 48 05 14 05 53 08 48 13 19 18 34 9.7 3.4 34 1757-1836 FRI APR 17 18 51 19 29 19 56 23 41 04 47 05 14 05 52 08 52 13 23 18 38 9.7 4.2 43 1851-1834 SAT APR 18 18 51 19 30 19 56 00 32 04 46 05 13 05 51 08 57 13 27 18 41 9.7 5.0 51 1945-1733 SUN APR 19 18 51 19 30 19 57 01 22 04 45 05 12 05 51 09 01 13 31 18 44 9.7 5.9 60 2041-1534 MON APR 20 18 51 19 30 19 57 02 11 04 44 05 11 05 50 09 04 13 35 18 47 9.7 6.7 69 2136-1239 TUE APR 21 18 52 19 31 19 58 02 59 04 43 05 10 05 49 09 09 13 39 18 50 9.7 7.5 77 2232-0855 WED APR 22 18 52 19 31 19 58 03 46 04 42 05 09 05 48 09 13 13 43 18 53 9.6 8.3 85 2328-0432 THU APR 23 18 52 19 32 19 59 04 34 16 24 04 42 05 09 05 48 09 18 13 47 18 57 9.6 9.0 93 0025+0012 FRI APR 24 18 53 19 32 19 59 05 22 17 27 04 41 05 08 05 47 09 22 13 51 19 00 9.6 9.6 100 0122+0501 SAT APR 25 18 53 19 32 20 00 06 12 18 31 04 40 05 07 05 46 09 26 13 55 19 03 9.6 9.6 100 0221+0932 SUN APR 26 18 53 19 33 20 00 07 03 19 35 04 39 05 06 05 46 09 31 13 59 19 06 9.6 9.5 99 0320+1324 MON APR 27 18 54 19 33 20 01 07 57 20 39 04 38 05 06 05 45 09 35 14 03 19 10 9.6 8.5 88 0420+1619 TUE APR 28 18 54 19 34 20 01 21 41 04 37 05 05 05 44 09 40 14 07 19 13 9.5 7.4 77 0520+1808 WED APR 29 18 55 19 34 20 02 22 40 04 37 05 04 05 44 09 44 14 11 19 16 9.5 6.4 67 0619+1847 THU APR 30 18 55 19 35 20 02 23 34 04 36 05 03 05 43 09 49 14 15 19 18 9.5 5.5 57 0716+1820 ONE LINE REFERS TO EVENING DATE FIRST QUARTER APR 03 20:20 UT AND FOLLOWING MORNING. FULL MOON APR 11 22:27 UT All dates and times are zone HST LAST QUARTER APR 19 19:57 UT in upper table (except sid time). NEW MOON APR 26 11:43 UT 1 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 FRI MAY 01 18 55 19 35 20 03 00 24 04 35 05 03 05 42 09 53 14 19 19 22 9.5 4.7 49 0810+1654 SAT MAY 02 18 56 19 35 20 03 01 10 04 34 05 02 05 42 09 57 14 23 19 25 9.4 3.9 40 0902+1440 SUN MAY 03 18 56 19 36 20 04 01 52 04 34 05 01 05 41 10 02 14 26 19 28 9.4 3.2 33 0951+1149 MON MAY 04 18 56 19 36 20 04 02 32 04 33 05 01 05 41 10 06 14 30 19 32 9.4 2.5 26 1039+0830 TUE MAY 05 18 57 19 37 20 05 03 09 04 32 05 00 05 40 10 11 14 34 19 35 9.4 1.8 19 1124+0454 WED MAY 06 18 57 19 37 20 05 03 46 04 31 04 59 05 40 10 15 14 38 19 38 9.4 1.2 12 1209+0108 THU MAY 07 18 58 19 38 20 06 04 22 04 31 04 59 05 39 10 20 14 42 19 42 9.4 0.6 6 1254-0239 FRI MAY 08 18 58 19 38 20 06 16 35 04 59 04 30 04 58 05 39 10 23 14 46 19 45 9.3 0.0 0 1339-0622 SAT MAY 09 18 58 19 39 20 07 17 23 05 37 04 29 04 58 05 38 10 28 14 50 19 49 9.3 0.0 0 1425-0951 SUN MAY 10 18 59 19 39 20 08 18 13 06 17 04 29 04 57 05 38 10 32 14 54 19 52 9.3 0.0 0 1513-1258 MON MAY 11 18 59 19 40 20 08 19 03 07 00 04 28 04 56 05 37 10 37 14 58 19 55 9.3 0.0 0 1602-1535 TUE MAY 12 19 00 19 40 20 09 19 55 07 46 04 28 04 56 05 37 10 41 15 02 19 59 9.3 0.2 2 1652-1731 WED MAY 13 19 00 19 41 20 09 20 46 04 27 04 55 05 36 10 46 15 06 20 02 9.2 1.1 11 1745-1839 THU MAY 14 19 00 19 41 20 10 21 38 04 26 04 55 05 36 10 50 15 10 20 06 9.2 2.0 21 1838-1852 FRI MAY 15 19 01 19 42 20 10 22 29 04 26 04 54 05 35 10 55 15 14 20 09 9.2 2.8 30 1933-1807 SAT MAY 16 19 01 19 42 20 11 23 19 04 25 04 54 05 35 10 59 15 18 20 13 9.2 3.6 39 2027-1623 SUN MAY 17 19 02 19 43 20 11 00 08 04 25 04 54 05 35 11 04 15 22 20 16 9.2 4.4 48 2122-1344 MON MAY 18 19 02 19 43 20 12 00 54 04 24 04 53 05 34 11 08 15 26 20 19 9.2 5.2 56 2216-1018 TUE MAY 19 19 03 19 44 20 13 01 40 04 24 04 53 05 34 11 13 15 30 20 23 9.1 5.9 64 2310-0612 WED MAY 20 19 03 19 44 20 13 02 26 04 23 04 52 05 34 11 17 15 33 20 26 9.1 6.7 73 0005-0140 THU MAY 21 19 03 19 45 20 14 03 12 04 23 04 52 05 33 11 22 15 37 20 30 9.1 7.5 81 0100+0303 FRI MAY 22 19 04 19 45 20 14 03 59 16 12 04 22 04 52 05 33 11 26 15 41 20 34 9.1 8.2 90 0157+0739 SAT MAY 23 19 04 19 46 20 15 04 49 17 15 04 22 04 51 05 33 11 31 15 45 20 37 9.1 9.1 99 0255+1149 SUN MAY 24 19 05 19 46 20 15 05 41 18 18 04 22 04 51 05 33 11 35 15 49 20 41 9.1 9.1 100 0354+1513 MON MAY 25 19 05 19 47 20 16 06 36 19 21 04 21 04 51 05 32 11 40 15 53 20 45 9.1 9.1 100 0454+1736 TUE MAY 26 19 05 19 47 20 17 07 32 20 23 04 21 04 50 05 32 11 43 15 57 20 48 9.1 8.5 93 0554+1849 WED MAY 27 19 06 19 48 20 17 21 21 04 21 04 50 05 32 11 48 16 01 20 52 9.0 7.5 82 0653+1850 THU MAY 28 19 06 19 48 20 18 22 15 04 20 04 50 05 32 11 52 16 05 20 56 9.0 6.6 72 0750+1745 FRI MAY 29 19 07 19 49 20 18 23 04 04 20 04 50 05 32 11 57 16 09 21 00 9.0 5.8 63 0844+1546 SAT MAY 30 19 07 19 49 20 19 23 49 04 20 04 49 05 31 12 01 16 13 21 03 9.0 5.0 55 0936+1303 SUN MAY 31 19 08 19 50 20 19 00 30 04 20 04 49 05 31 12 06 16 17 21 07 9.0 4.3 48 1024+0949 ONE LINE REFERS TO EVENING DATE FIRST QUARTER MAY 03 10:06 UT AND FOLLOWING MORNING. FULL MOON MAY 11 14:34 UT All dates and times are zone HST LAST QUARTER MAY 19 04:39 UT in upper table (except sid time). NEW MOON MAY 25 19:35 UT 1 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 MON JUN 01 19 08 19 50 20 20 01 08 04 19 04 49 05 31 12 10 16 21 21 11 9.0 3.7 41 1111+0614 TUE JUN 02 19 08 19 50 20 20 01 45 04 19 04 49 05 31 12 14 16 25 21 15 9.0 3.1 34 1157+0227 WED JUN 03 19 09 19 51 20 21 02 22 04 19 04 49 05 31 12 19 16 29 21 18 9.0 2.4 27 1241-0123 THU JUN 04 19 09 19 51 20 21 02 58 04 19 04 49 05 31 12 23 16 33 21 22 9.0 1.8 20 1326-0510 FRI JUN 05 19 09 19 52 20 22 03 36 04 19 04 49 05 31 12 28 16 37 21 26 8.9 1.2 13 1412-0846 SAT JUN 06 19 10 19 52 20 22 16 07 04 15 04 19 04 49 05 31 12 32 16 41 21 30 8.9 0.6 6 1459-1203 SUN JUN 07 19 10 19 53 20 23 16 57 04 57 04 19 04 49 05 31 12 37 16 44 21 34 8.9 0.0 0 1548-1453 MON JUN 08 19 11 19 53 20 23 17 49 05 42 04 19 04 49 05 31 12 41 16 48 21 38 8.9 0.0 0 1638-1705 TUE JUN 09 19 11 19 53 20 23 18 41 06 30 04 19 04 49 05 31 12 45 16 52 21 42 8.9 0.0 0 1731-1831 WED JUN 10 19 11 19 54 20 24 19 34 07 22 04 19 04 49 05 31 12 50 16 56 21 46 8.9 0.0 0 1825-1902 THU JUN 11 19 12 19 54 20 24 20 26 04 19 04 49 05 31 12 54 17 00 21 50 8.9 0.5 5 1920-1833 FRI JUN 12 19 12 19 55 20 25 21 17 04 19 04 49 05 31 12 59 17 04 21 54 8.9 1.4 15 2015-1704 SAT JUN 13 19 12 19 55 20 25 22 07 04 19 04 49 05 31 13 02 17 08 21 58 8.9 2.2 24 2110-1438 SUN JUN 14 19 13 19 55 20 25 22 54 04 19 04 49 05 31 13 06 17 12 22 02 8.9 3.0 33 2204-1122 MON JUN 15 19 13 19 56 20 26 23 39 04 19 04 49 05 32 13 11 17 16 22 06 8.9 3.7 41 2258-0727 TUE JUN 16 19 13 19 56 20 26 00 24 04 19 04 49 05 32 13 15 17 20 22 10 8.9 4.5 50 2351-0304 WED JUN 17 19 13 19 56 20 26 01 08 04 19 04 49 05 32 13 19 17 24 22 14 8.9 5.2 58 0045+0131 THU JUN 18 19 14 19 56 20 27 01 54 04 19 04 49 05 32 13 23 17 28 22 18 8.9 6.0 67 0139+0605 FRI JUN 19 19 14 19 57 20 27 02 41 04 19 04 50 05 32 13 28 17 32 22 23 8.9 6.7 75 0235+1021 SAT JUN 20 19 14 19 57 20 27 03 30 16 03 04 20 04 50 05 32 13 32 17 36 22 27 8.9 7.5 84 0332+1400 SUN JUN 21 19 14 19 57 20 27 04 22 17 05 04 20 04 50 05 33 13 36 17 40 22 30 8.9 8.4 94 0431+1647 MON JUN 22 19 15 19 57 20 28 05 17 18 06 04 20 04 50 05 33 13 40 17 44 22 34 8.9 8.9 100 0530+1830 TUE JUN 23 19 15 19 58 20 28 06 14 19 06 04 20 04 50 05 33 13 45 17 48 22 38 8.9 8.9 100 0630+1902 WED JUN 24 19 15 19 58 20 28 07 11 20 02 04 21 04 51 05 33 13 49 17 51 22 43 8.9 8.8 99 0728+1825 THU JUN 25 19 15 19 58 20 28 20 54 04 21 04 51 05 34 13 53 17 55 22 47 8.9 8.0 89 0824+1647 FRI JUN 26 19 15 19 58 20 28 21 42 04 21 04 51 05 34 13 57 17 59 22 51 8.9 7.1 80 0917+1419 SAT JUN 27 19 16 19 58 20 28 22 25 04 21 04 52 05 34 14 01 18 03 22 56 8.9 6.5 72 1008+1113 SUN JUN 28 19 16 19 58 20 28 23 05 04 22 04 52 05 34 14 05 18 07 23 00 8.9 5.8 64 1056+0742 MON JUN 29 19 16 19 58 20 28 23 44 04 22 04 52 05 35 14 09 18 11 23 04 8.9 5.1 57 1142+0356 TUE JUN 30 19 16 19 58 20 29 00 20 04 22 04 53 05 35 14 12 18 15 23 09 8.9 4.5 51 1227+0003 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUN 02 01:49 UT AND FOLLOWING MORNING. FULL MOON JUN 10 04:23 UT All dates and times are zone HST LAST QUARTER JUN 17 10:41 UT in upper table (except sid time). NEW MOON JUN 24 03:53 UT 1 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 WED JUL 01 19 16 19 58 20 29 00 57 04 23 04 53 05 35 14 16 18 19 23 13 8.9 3.9 44 1312-0346 THU JUL 02 19 16 19 59 20 29 01 34 04 23 04 53 05 36 14 21 18 23 23 17 8.9 3.3 37 1358-0728 FRI JUL 03 19 16 19 59 20 29 02 12 04 24 04 54 05 36 14 25 18 27 23 22 8.9 2.7 30 1444-1053 SAT JUL 04 19 16 19 59 20 28 02 52 04 24 04 54 05 36 14 29 18 31 23 26 8.9 2.0 22 1532-1354 SUN JUL 05 19 16 19 58 20 28 03 36 04 24 04 54 05 37 14 32 18 35 23 30 8.9 1.3 14 1622-1621 MON JUL 06 19 16 19 58 20 28 16 32 04 23 04 25 04 55 05 37 14 36 18 39 23 35 8.9 0.5 5 1714-1805 TUE JUL 07 19 16 19 58 20 28 17 25 05 14 04 25 04 55 05 37 14 40 18 43 23 39 8.9 0.0 0 1808-1857 WED JUL 08 19 16 19 58 20 28 18 19 06 08 04 26 04 56 05 38 14 44 18 47 23 43 9.0 0.0 0 1903-1850 THU JUL 09 19 16 19 58 20 28 19 11 07 04 04 26 04 56 05 38 14 48 18 51 23 47 9.0 0.0 0 1959-1740 FRI JUL 10 19 16 19 58 20 28 20 02 04 27 04 56 05 39 14 52 18 55 23 51 9.0 0.1 0 2055-1529 SAT JUL 11 19 16 19 58 20 28 20 52 04 27 04 57 05 39 14 56 18 59 23 56 9.0 0.9 10 2151-1224 SUN JUL 12 19 16 19 58 20 27 21 39 04 28 04 57 05 39 15 00 19 02 00 00 9.0 1.7 18 2245-0835 MON JUL 13 19 16 19 58 20 27 22 24 04 28 04 58 05 40 15 04 19 06 00 05 9.0 2.4 27 2339-0415 TUE JUL 14 19 15 19 57 20 27 23 08 04 29 04 58 05 40 15 07 19 10 00 09 9.0 3.2 35 0033+0018 WED JUL 15 19 15 19 57 20 27 23 53 04 29 04 59 05 40 15 11 19 14 00 14 9.0 3.9 43 0127+0452 THU JUL 16 19 15 19 57 20 26 00 38 04 30 04 59 05 41 15 15 19 18 00 18 9.0 4.7 51 0221+0910 FRI JUL 17 19 15 19 57 20 26 01 26 04 30 05 00 05 41 15 19 19 22 00 23 9.0 5.5 60 0317+1256 SAT JUL 18 19 15 19 56 20 26 02 15 04 31 05 00 05 42 15 21 19 26 00 27 9.1 6.3 69 0414+1557 SUN JUL 19 19 14 19 56 20 25 03 08 04 31 05 00 05 42 15 25 19 30 00 31 9.1 7.2 79 0512+1800 MON JUL 20 19 14 19 56 20 25 04 03 16 54 04 32 05 01 05 42 15 29 19 34 00 36 9.1 8.1 89 0610+1857 TUE JUL 21 19 14 19 55 20 24 04 59 17 51 04 32 05 01 05 43 15 32 19 38 00 40 9.1 9.1 99 0708+1846 WED JUL 22 19 13 19 55 20 24 05 55 18 44 04 33 05 02 05 43 15 36 19 42 00 45 9.1 9.1 100 0804+1731 THU JUL 23 19 13 19 54 20 23 06 51 19 33 04 33 05 02 05 44 15 39 19 46 00 49 9.1 9.1 100 0858+1522 FRI JUL 24 19 13 19 54 20 23 07 45 20 19 04 34 05 03 05 44 15 43 19 50 00 54 9.2 8.7 95 0950+1229 SAT JUL 25 19 12 19 54 20 23 21 01 04 34 05 03 05 44 15 47 19 54 00 58 9.2 8.0 87 1039+0906 SUN JUL 26 19 12 19 53 20 22 21 40 04 35 05 04 05 45 15 50 19 58 01 02 9.2 7.4 80 1126+0523 MON JUL 27 19 12 19 53 20 21 22 18 04 35 05 04 05 45 15 54 20 02 01 06 9.2 6.8 73 1212+0131 TUE JUL 28 19 11 19 52 20 21 22 54 04 36 05 05 05 46 15 57 20 06 01 11 9.2 6.2 67 1258-0221 WED JUL 29 19 11 19 52 20 20 23 31 04 36 05 05 05 46 16 01 20 09 01 15 9.2 5.6 60 1343-0607 THU JUL 30 19 10 19 51 20 20 00 09 04 37 05 06 05 46 16 04 20 13 01 20 9.2 4.9 53 1428-0938 FRI JUL 31 19 10 19 51 20 19 00 48 04 38 05 06 05 47 16 08 20 17 01 24 9.2 4.3 46 1515-1247 ONE LINE REFERS TO EVENING DATE FIRST QUARTER JUL 01 18:46 UT AND FOLLOWING MORNING. FULL MOON JUL 09 16:03 UT All dates and times are zone HST LAST QUARTER JUL 16 15:16 UT in upper table (except sid time). NEW MOON JUL 23 13:45 UT FIRST QUARTER JUL 31 12:08 UT 1 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 SAT AUG 01 19 10 19 50 20 18 01 30 04 38 05 06 05 47 16 11 20 21 01 28 9.3 3.6 38 1604-1527 SUN AUG 02 19 09 19 50 20 18 02 15 04 39 05 07 05 47 16 15 20 25 01 33 9.3 2.9 30 1655-1727 MON AUG 03 19 09 19 49 20 17 03 03 04 39 05 07 05 48 16 18 20 29 01 37 9.3 2.1 22 1748-1840 TUE AUG 04 19 08 19 48 20 16 16 07 03 56 04 40 05 08 05 48 16 20 20 33 01 42 9.3 1.2 12 1842-1856 WED AUG 05 19 07 19 48 20 16 17 00 04 51 04 40 05 08 05 48 16 24 20 37 01 46 9.3 0.3 3 1939-1811 THU AUG 06 19 07 19 47 20 15 17 53 05 50 04 41 05 09 05 49 16 27 20 41 01 51 9.4 0.0 0 2035-1622 FRI AUG 07 19 06 19 46 20 14 18 44 06 49 04 41 05 09 05 49 16 30 20 45 01 55 9.4 0.0 0 2132-1333 SAT AUG 08 19 06 19 46 20 14 19 33 07 49 04 42 05 09 05 49 16 34 20 49 01 59 9.4 0.0 0 2229-0953 SUN AUG 09 19 05 19 45 20 13 20 20 04 42 05 10 05 50 16 37 20 53 02 04 9.4 0.6 6 2324-0536 MON AUG 10 19 04 19 44 20 12 21 06 04 43 05 10 05 50 16 40 20 57 02 08 9.4 1.4 14 0019-0058 TUE AUG 11 19 04 19 44 20 11 21 52 04 43 05 11 05 50 16 44 21 01 02 13 9.4 2.1 22 0114+0341 WED AUG 12 19 03 19 43 20 11 22 37 04 44 05 11 05 51 16 47 21 05 02 17 9.5 2.9 30 0209+0807 THU AUG 13 19 03 19 42 20 10 23 24 04 44 05 12 05 51 16 50 21 09 02 21 9.5 3.7 38 0304+1203 FRI AUG 14 19 02 19 41 20 09 00 13 04 44 05 12 05 51 16 53 21 13 02 25 9.5 4.5 47 0401+1515 SAT AUG 15 19 01 19 41 20 08 01 04 04 45 05 12 05 52 16 57 21 17 02 29 9.5 5.4 56 0458+1731 SUN AUG 16 19 00 19 40 20 07 01 57 04 45 05 13 05 52 17 00 21 20 02 34 9.6 6.3 65 0555+1844 MON AUG 17 19 00 19 39 20 06 02 52 04 46 05 13 05 52 17 03 21 24 02 38 9.6 7.2 75 0652+1853 TUE AUG 18 18 59 19 38 20 05 03 47 16 37 04 46 05 13 05 53 17 06 21 28 02 42 9.6 8.2 85 0748+1758 WED AUG 19 18 58 19 37 20 05 04 42 17 27 04 47 05 14 05 53 17 09 21 32 02 47 9.6 9.1 94 0842+1606 THU AUG 20 18 58 19 37 20 04 05 36 18 14 04 47 05 14 05 53 17 12 21 36 02 51 9.6 9.6 100 0933+1328 FRI AUG 21 18 57 19 36 20 03 06 28 18 57 04 47 05 14 05 54 17 15 21 40 02 55 9.6 9.6 100 1023+1015 SAT AUG 22 18 56 19 35 20 02 07 19 19 37 04 48 05 15 05 54 17 18 21 44 03 00 9.7 9.6 99 1111+0638 SUN AUG 23 18 55 19 34 20 01 20 15 04 48 05 15 05 54 17 21 21 48 03 04 9.7 9.0 92 1158+0248 MON AUG 24 18 54 19 33 20 00 20 52 04 49 05 15 05 54 17 24 21 52 03 08 9.7 8.4 86 1243-0104 TUE AUG 25 18 54 19 32 19 59 21 29 04 49 05 16 05 55 17 27 21 56 03 13 9.7 7.8 79 1328-0453 WED AUG 26 18 53 19 32 19 58 22 06 04 49 05 16 05 55 17 31 22 00 03 17 9.7 7.2 73 1414-0829 THU AUG 27 18 52 19 31 19 57 22 44 04 50 05 16 05 55 17 34 22 04 03 21 9.8 6.5 67 1500-1146 FRI AUG 28 18 51 19 30 19 56 23 24 04 50 05 17 05 55 17 37 22 08 03 26 9.8 5.9 60 1547-1435 SAT AUG 29 18 50 19 29 19 55 00 07 04 51 05 17 05 56 17 40 22 12 03 30 9.8 5.2 52 1637-1648 SUN AUG 30 18 49 19 28 19 54 00 53 04 51 05 17 05 56 17 43 22 16 03 34 9.8 4.4 44 1728-1817 MON AUG 31 18 49 19 27 19 53 01 43 04 51 05 18 05 56 17 46 22 20 03 38 9.8 3.6 36 1821-1856 ONE LINE REFERS TO EVENING DATE FULL MOON AUG 08 02:11 UT AND FOLLOWING MORNING. LAST QUARTER AUG 14 19:52 UT All dates and times are zone HST NEW MOON AUG 22 02:03 UT in upper table (except sid time). FIRST QUARTER AUG 30 05:09 UT 1 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 TUE SEP 01 18 48 19 26 19 52 02 36 04 52 05 18 05 56 17 49 22 24 03 42 9.9 2.7 27 1916-1836 WED SEP 02 18 47 19 25 19 52 03 33 04 52 05 18 05 57 17 52 22 27 03 46 9.9 1.8 17 2012-1714 THU SEP 03 18 46 19 24 19 51 16 31 04 32 04 52 05 19 05 57 17 55 22 31 03 51 9.9 0.8 7 2109-1449 FRI SEP 04 18 45 19 23 19 50 17 21 05 32 04 53 05 19 05 57 17 58 22 35 03 55 9.9 0.0 0 2206-1127 SAT SEP 05 18 44 19 22 19 49 18 10 06 34 04 53 05 19 05 57 18 01 22 39 03 59 9.9 0.0 0 2303-0719 SUN SEP 06 18 43 19 21 19 48 18 58 07 36 04 53 05 19 05 57 18 03 22 43 04 03 10.0 0.0 0 2359-0240 MON SEP 07 18 42 19 21 19 47 19 45 04 54 05 20 05 58 18 07 22 47 04 08 10.0 0.4 4 0055+0209 TUE SEP 08 18 42 19 20 19 46 20 32 04 54 05 20 05 58 18 10 22 51 04 12 10.0 1.2 11 0152+0650 WED SEP 09 18 41 19 19 19 45 21 20 04 54 05 20 05 58 18 13 22 55 04 16 10.0 2.0 20 0249+1103 THU SEP 10 18 40 19 18 19 44 22 09 04 54 05 20 05 58 18 16 22 59 04 20 10.0 2.9 28 0346+1432 FRI SEP 11 18 39 19 17 19 43 23 00 04 55 05 21 05 59 18 19 23 03 04 25 10.1 3.7 36 0444+1705 SAT SEP 12 18 38 19 16 19 42 23 53 04 55 05 21 05 59 18 22 23 07 04 29 10.1 4.6 45 0542+1834 SUN SEP 13 18 37 19 15 19 41 00 48 04 55 05 21 05 59 18 25 23 11 04 33 10.1 5.6 54 0639+1858 MON SEP 14 18 36 19 14 19 40 01 42 04 56 05 21 05 59 18 28 23 15 04 37 10.1 6.5 63 0735+1817 TUE SEP 15 18 35 19 13 19 39 02 37 04 56 05 22 05 59 18 31 23 19 04 42 10.1 7.4 72 0828+1640 WED SEP 16 18 34 19 12 19 38 03 31 16 11 04 56 05 22 06 00 18 34 23 23 04 46 10.2 8.3 81 0920+1414 THU SEP 17 18 33 19 11 19 37 04 23 16 55 04 56 05 22 06 00 18 37 23 27 04 49 10.2 9.2 90 1010+1111 FRI SEP 18 18 32 19 10 19 36 05 14 17 36 04 57 05 22 06 00 18 40 23 31 04 53 10.2 10.1 98 1058+0740 SAT SEP 19 18 32 19 09 19 35 06 03 18 14 04 57 05 23 06 00 18 43 23 34 04 58 10.2 10.2 100 1145+0354 SUN SEP 20 18 31 19 08 19 34 06 52 18 51 04 57 05 23 06 00 18 46 23 38 05 02 10.2 10.2 100 1230+0000 MON SEP 21 18 30 19 07 19 33 07 40 19 28 04 57 05 23 06 01 18 49 23 42 05 06 10.3 9.9 96 1315-0350 TUE SEP 22 18 29 19 06 19 32 20 05 04 58 05 23 06 01 18 52 23 46 05 10 10.3 9.3 90 1401-0731 WED SEP 23 18 28 19 05 19 31 20 42 04 58 05 23 06 01 18 54 23 50 05 14 10.3 8.7 84 1446-1055 THU SEP 24 18 27 19 05 19 30 21 22 04 58 05 24 06 01 18 58 23 54 05 19 10.3 8.0 77 1533-1352 FRI SEP 25 18 26 19 04 19 29 22 03 04 58 05 24 06 01 19 01 23 58 05 23 10.3 7.4 71 1621-1617 SAT SEP 26 18 25 19 03 19 28 22 47 04 59 05 24 06 02 19 04 00 02 05 27 10.4 6.6 63 1711-1800 SUN SEP 27 18 24 19 02 19 27 23 34 04 59 05 24 06 02 19 07 00 06 05 31 10.4 5.8 56 1803-1855 MON SEP 28 18 23 19 01 19 26 00 25 04 59 05 25 06 02 19 10 00 10 05 36 10.4 5.0 48 1856-1856 TUE SEP 29 18 22 19 00 19 26 01 18 04 59 05 25 06 02 19 13 00 14 05 40 10.4 4.1 39 1950-1759 WED SEP 30 18 22 18 59 19 25 02 15 04 59 05 25 06 03 19 16 00 18 05 44 10.4 3.2 30 2045-1601 ONE LINE REFERS TO EVENING DATE FULL MOON SEP 06 11:23 UT AND FOLLOWING MORNING. LAST QUARTER SEP 13 02:01 UT All dates and times are zone HST NEW MOON SEP 20 17:01 UT in upper table (except sid time). FIRST QUARTER SEP 28 21:14 UT 1 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 THU OCT 01 18 21 18 58 19 24 03 13 05 00 05 25 06 03 19 19 00 22 05 48 10.4 2.2 21 2141-1305 FRI OCT 02 18 20 18 57 19 23 04 13 05 00 05 25 06 03 19 22 00 26 05 52 10.5 1.2 11 2237-0917 SAT OCT 03 18 19 18 56 19 22 16 45 05 15 05 00 05 26 06 03 19 25 00 30 05 57 10.5 0.2 1 2334-0449 SUN OCT 04 18 18 18 56 19 21 17 32 06 18 05 00 05 26 06 04 19 29 00 34 06 01 10.5 0.0 0 0031+0003 MON OCT 05 18 17 18 55 19 20 18 20 07 21 05 01 05 26 06 04 19 32 00 38 06 04 10.5 0.0 0 0128+0458 TUE OCT 06 18 16 18 54 19 19 19 09 05 01 05 26 06 04 19 35 00 42 06 08 10.5 0.2 2 0227+0934 WED OCT 07 18 16 18 53 19 19 19 59 05 01 05 27 06 04 19 38 00 45 06 13 10.6 1.1 10 0326+1331 THU OCT 08 18 15 18 52 19 18 20 52 05 01 05 27 06 05 19 41 00 49 06 17 10.6 2.0 18 0426+1631 FRI OCT 09 18 14 18 51 19 17 21 46 05 02 05 27 06 05 19 44 00 53 06 21 10.6 2.9 27 0525+1824 SAT OCT 10 18 13 18 51 19 16 22 42 05 02 05 27 06 05 19 47 00 57 06 25 10.6 3.9 36 0624+1906 SUN OCT 11 18 12 18 50 19 15 23 37 05 02 05 28 06 05 19 50 01 01 06 30 10.6 4.8 44 0721+1841 MON OCT 12 18 11 18 49 19 15 00 33 05 02 05 28 06 06 19 53 01 05 06 34 10.6 5.7 53 0816+1715 TUE OCT 13 18 11 18 48 19 14 01 27 05 03 05 28 06 06 19 56 01 09 06 38 10.7 6.7 62 0909+1459 WED OCT 14 18 10 18 48 19 13 02 19 05 03 05 29 06 06 20 00 01 13 06 43 10.7 7.5 70 0959+1203 THU OCT 15 18 09 18 47 19 12 03 10 05 03 05 29 06 07 20 03 01 17 06 47 10.7 8.4 78 1047+0838 FRI OCT 16 18 08 18 46 19 12 04 00 16 15 05 03 05 29 06 07 20 06 01 21 06 51 10.7 9.2 86 1133+0454 SAT OCT 17 18 08 18 45 19 11 04 49 16 52 05 04 05 29 06 07 20 09 01 25 06 55 10.7 10.1 93 1219+0101 SUN OCT 18 18 07 18 45 19 10 05 37 17 28 05 04 05 30 06 08 20 13 01 29 07 00 10.8 10.8 100 1304-0252 MON OCT 19 18 06 18 44 19 10 06 25 18 05 05 04 05 30 06 08 20 16 01 33 07 04 10.8 10.8 100 1349-0638 TUE OCT 20 18 06 18 43 19 09 07 13 18 42 05 05 05 30 06 08 20 19 01 37 07 08 10.8 10.8 100 1434-1009 WED OCT 21 18 05 18 43 19 08 19 21 05 05 05 31 06 09 20 23 01 41 07 13 10.8 10.2 94 1521-1316 THU OCT 22 18 04 18 42 19 08 20 01 05 05 05 31 06 09 20 26 01 45 07 17 10.8 9.5 87 1609-1551 FRI OCT 23 18 03 18 42 19 07 20 44 05 06 05 31 06 09 20 30 01 49 07 20 10.8 8.8 81 1658-1748 SAT OCT 24 18 03 18 41 19 07 21 30 05 06 05 32 06 10 20 33 01 52 07 25 10.9 8.0 74 1749-1857 SUN OCT 25 18 02 18 40 19 06 22 18 05 06 05 32 06 10 20 36 01 56 07 29 10.9 7.2 66 1840-1914 MON OCT 26 18 02 18 40 19 06 23 10 05 06 05 32 06 10 20 39 02 00 07 33 10.9 6.4 58 1933-1836 TUE OCT 27 18 01 18 39 19 05 00 03 05 07 05 33 06 11 20 42 02 04 07 38 10.9 5.5 50 2027-1700 WED OCT 28 18 00 18 39 19 05 00 59 05 07 05 33 06 11 20 46 02 08 07 42 10.9 4.6 41 2121-1429 THU OCT 29 18 00 18 38 19 04 01 56 05 07 05 33 06 12 20 49 02 12 07 46 10.9 3.6 33 2215-1105 FRI OCT 30 17 59 18 38 19 04 02 55 05 08 05 34 06 12 20 53 02 16 07 51 10.9 2.6 24 2310-0657 SAT OCT 31 17 59 18 37 19 03 03 56 05 08 05 34 06 13 20 56 02 20 07 55 10.9 1.6 14 0005-0217 ONE LINE REFERS TO EVENING DATE FULL MOON OCT 05 20:15 UT AND FOLLOWING MORNING. LAST QUARTER OCT 12 11:12 UT All dates and times are zone HST NEW MOON OCT 20 10:11 UT in upper table (except sid time). FIRST QUARTER OCT 28 11:49 UT 1 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 1 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 TUE DEC 01 17 52 18 32 18 59 16 19 05 49 05 23 05 50 06 30 22 53 04 22 10 13 11.3 0.0 0 0331+1354 WED DEC 02 17 52 18 33 18 59 17 12 06 55 05 23 05 50 06 30 22 58 04 26 10 17 11.3 0.0 0 0432+1700 THU DEC 03 17 53 18 33 19 00 18 09 07 59 05 24 05 51 06 31 23 02 04 30 10 22 11.3 0.0 0 0535+1855 FRI DEC 04 17 53 18 33 19 00 19 08 05 24 05 51 06 32 23 06 04 34 10 26 11.3 0.6 5 0637+1931 SAT DEC 05 17 53 18 33 19 00 20 08 05 25 05 52 06 32 23 10 04 38 10 31 11.3 1.6 13 0737+1850 SUN DEC 06 17 53 18 33 19 00 21 07 05 25 05 52 06 33 23 14 04 42 10 35 11.3 2.6 22 0835+1702 MON DEC 07 17 53 18 34 19 01 22 04 05 26 05 53 06 33 23 19 04 46 10 40 11.3 3.5 30 0929+1423 TUE DEC 08 17 54 18 34 19 01 22 59 05 27 05 54 06 34 23 23 04 50 10 45 11.3 4.4 38 1020+1105 WED DEC 09 17 54 18 34 19 01 23 51 05 27 05 54 06 35 23 27 04 54 10 49 11.3 5.3 46 1109+0724 THU DEC 10 17 54 18 35 19 02 00 41 05 28 05 55 06 35 23 32 04 58 10 54 11.3 6.1 53 1155+0329 FRI DEC 11 17 55 18 35 19 02 01 29 05 28 05 55 06 36 23 36 05 02 10 58 11.3 6.9 60 1240-0030 SAT DEC 12 17 55 18 35 19 02 02 18 05 29 05 56 06 36 23 40 05 06 11 03 11.3 7.7 67 1325-0425 SUN DEC 13 17 55 18 36 19 03 03 06 05 29 05 56 06 37 23 45 05 10 11 07 11.3 8.5 74 1410-0810 MON DEC 14 17 56 18 36 19 03 03 54 05 30 05 57 06 38 23 49 05 14 11 12 11.3 9.3 81 1456-1136 TUE DEC 15 17 56 18 37 19 04 04 44 05 30 05 58 06 38 23 54 05 18 11 16 11.3 10.1 89 1543-1435 WED DEC 16 17 56 18 37 19 04 05 34 16 40 05 31 05 58 06 39 23 58 05 21 11 20 11.3 10.9 96 1632-1659 THU DEC 17 17 57 18 37 19 05 06 25 17 24 05 31 05 59 06 39 00 02 05 25 11 25 11.4 11.4 100 1723-1840 FRI DEC 18 17 57 18 38 19 05 07 16 18 12 05 32 05 59 06 40 00 06 05 29 11 29 11.4 11.4 100 1815-1930 SAT DEC 19 17 58 18 38 19 05 19 02 05 33 06 00 06 40 00 10 05 33 11 34 11.4 11.0 96 1908-1924 SUN DEC 20 17 58 18 39 19 06 19 54 05 33 06 00 06 41 00 15 05 37 11 38 11.4 10.1 88 2001-1820 MON DEC 21 17 59 18 39 19 06 20 48 05 34 06 01 06 41 00 19 05 41 11 43 11.4 9.2 81 2055-1618 TUE DEC 22 17 59 18 40 19 07 21 43 05 34 06 01 06 42 00 24 05 45 11 47 11.4 8.3 73 2147-1325 WED DEC 23 18 00 18 40 19 07 22 39 05 35 06 02 06 42 00 28 05 49 11 52 11.4 7.4 64 2240-0949 THU DEC 24 18 00 18 41 19 08 23 35 05 35 06 02 06 43 00 33 05 53 11 56 11.4 6.4 56 2332-0539 FRI DEC 25 18 01 18 41 19 08 00 32 05 35 06 03 06 43 00 37 05 57 12 01 11.4 5.5 48 0024-0106 SAT DEC 26 18 01 18 42 19 09 01 30 05 36 06 03 06 44 00 42 06 01 12 05 11.3 4.6 40 0117+0334 SUN DEC 27 18 02 18 42 19 10 02 30 05 36 06 04 06 44 00 46 06 05 12 10 11.4 3.6 31 0211+0808 MON DEC 28 18 02 18 43 19 10 03 31 05 37 06 04 06 44 00 51 06 09 12 14 11.3 2.5 22 0308+1219 TUE DEC 29 18 03 18 43 19 11 04 34 05 37 06 04 06 45 00 55 06 13 12 18 11.3 1.5 13 0407+1546 WED DEC 30 18 04 18 44 19 11 05 38 05 38 06 05 06 45 01 00 06 17 12 23 11.3 0.5 3 0507+1813 THU DEC 31 18 04 18 45 19 12 16 48 06 40 05 38 06 05 06 46 01 05 06 21 12 27 11.3 0.0 0 0609+1927 ONE LINE REFERS TO EVENING DATE FULL MOON DEC 03 15:24 UT AND FOLLOWING MORNING. LAST QUARTER DEC 10 17:57 UT All dates and times are zone HST NEW MOON DEC 18 22:47 UT in upper table (except sid time). FIRST QUARTER DEC 26 10:49 UT