INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20010617 TAPE NR: OBSERVER: G. Dalton, P. Allen, C. Heymans PROGRAMME: The Oxford WFC survey PATT/CAT REF.: WFS6 TELESCOPE OPERATOR: none SUPPORT ASTRONOMER: none TELESCOPE FOCUS: 43.95 mm CALIBRATE RESULTS: HI 26.65 +/- 3.50, DI -66.63 +/- 1.16, HC 64.72 +/- 2.54, Sky sigma 3.08 INSTRUMENT: WFC WFC FILTER WHEEL: i, V, U, Z, R, KPB WEATHER: (1st half) good (2nd half) good CLOUD COVER (%): (1st half) 0 (2nd half) 0 DUST (0-2): (1st half) 1 (2nd half) 1 SEEING (arcsec): (1st half) 0.9 (2nd half) 0.9 DOME OPENED (UT): 20:35 METEOROLOGICAL PARAMETERS LT AirT Hum% Wspd Gust Wdir Press LocT IntT Mirr LocRH IntRH 21:00 13.9 4 23.5 25.1 43 773.3 14.4 16.0 15.9 1 7 22:00 13.6 4 25.6 28.3 42 773.7 14.0 14.9 15.5 4 7 23:00 12.9 8 27.1 28.1 37 774.0 13.0 14.4 15.4 7 10 00:00 12.4 9 27.9 31.0 29 774.3 12.8 13.8 15.1 8 12 01:00 12.5 8 26.0 31.4 19 774.1 12.9 13.6 14.7 7 11 02:00 12.9 6 19.1 21.0 7 773.7 13.2 13.6 14.8 4 9 03:00 12.5 5 23.1 26.5 7 773.0 12.6 13.0 14.6 4 5 04:00 12.4 5 32.2 33.4 21 772.6 12.8 13.0 14.6 3 6 05:00 12.7 6 25.9 30.3 6 772.3 13.1 13.3 14.2 4 5 06:00 12.8 6 27.6 31.6 12 772.2 13.6 13.4 14.4 4 6 SUNSET(UT) 20:20 EVENING TWILIGHT(UT) 21:46 MORNING TWILIGHT(UT) 04:39 SUNRISE(UT) 06:05 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 15 DARK TIME 06:53 TWILIGHT TIME 02:52 MOONRISE(UT) 03:42 MOONSET(UT) No moonset within sunset-sunrise TIME LOST(WEATHER): 00:00 TIME LOST(TECHNICAL): 00:00 TIME LOST(OTHER): 00:00 COMMENTS: odd effect still in darks - see fault reports Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 261976 File not available 261977 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 16:25:03.0 1100.0 R Harris 1 x 1 261978 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 16:44:40.3 1100.0 R Harris 1 x 1 261979 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 17:04:19.2 1100.0 R Harris 1 x 1 261980 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 17:23:55.8 1100.0 R Harris 1 x 1 261981 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 17:43:27.5 1100.0 R Harris 1 x 1 261982 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:03:00.9 1100.0 R Harris 1 x 1 261983 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:22:32.1 1100.0 R Harris 1 x 1 261984 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:42:04.1 1100.0 R Harris 1 x 1 261985 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 19:01:35.6 1100.0 R Harris 1 x 1 261986 Dark 0:00:00.00 +00:00:00.0 J2000.00 2.646 180.0 19:21:15.4 1100.0 R Harris 1 x 1 261987 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 19:40:55.5 1200.0 R Harris 1 x 1 261988 Dark 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 20:02:21.3 1200.0 R Harris 1 x 1 261992 Bias frame 15:02:00.00 +29:55:00.0 J2000.00 1.118 180.0 20:26:54.6 0.0 R Harris 1 x 1 261993 Bias frame 15:02:00.00 +29:54:59.9 J2000.00 1.116 180.0 20:27:54.3 0.0 R Harris 1 x 1 261994 Bias frame 15:02:00.00 +29:54:59.9 J2000.00 1.113 180.0 20:28:53.1 0.0 R Harris 1 x 1 261995 Bias frame 15:02:00.00 +29:54:59.9 J2000.00 1.111 180.0 20:29:52.4 0.0 R Harris 1 x 1 261996 Bias frame 15:02:00.00 +29:55:00.0 J2000.00 1.109 180.0 20:30:56.5 0.0 R Harris 1 x 1 261997 Flat field 15:02:00.00 +29:54:59.9 J2000.00 1.094 180.0 20:38:40.3 3.4 r Sloan 1 x 1 261998 Flat field 15:02:01.53 +29:54:40.0 J2000.00 1.091 180.0 20:40:29.0 5.3 r Sloan 1 x 1 261999 Flat field 15:02:01.53 +29:54:59.9 J2000.00 1.088 180.0 20:42:20.6 8.1 r Sloan 1 x 1 262000 Flat field 15:01:59.99 +29:54:39.9 J2000.00 1.084 180.0 20:44:12.8 12.5 r Sloan 1 x 1 262001 Flat field 15:02:00.00 +29:55:19.9 J2000.00 1.081 180.0 20:46:02.8 30.2 r Sloan 1 x 1 262002 Flat field 15:02:01.53 +29:55:19.9 J2000.00 1.077 180.0 20:48:28.1 31.5 r Sloan 1 x 1 262003 Flat field 15:01:58.46 +29:54:39.9 J2000.00 1.073 180.0 20:50:39.8 49.7 r Sloan 1 x 1 262004 Flat field 15:02:01.53 +29:55:19.9 J2000.00 1.069 180.0 20:53:14.2 82.0 r Sloan 1 x 1 262005 Focus run 12:42:31.00 -00:36:31.7 J2000.00 1.182 180.0 21:05:44.7 10.1 r Sloan 1 x 1 262006 SA104-338 i 12:42:30.99 -00:38:32.0 J2000.00 1.194 180.0 21:13:26.2 10.1 i Sloan 1 x 1 262007 SA104-338 r 12:42:31.00 -00:38:31.9 J2000.00 1.197 180.0 21:15:12.4 10.1 r Sloan 1 x 1 262008 SA104-338 R 12:42:31.00 -00:38:32.0 J2000.00 1.200 180.0 21:17:01.0 10.1 R Harris 1 x 1 262009 SA104-338 V 12:42:30.99 -00:38:32.0 J2000.00 1.203 180.0 21:18:49.0 10.1 V Harris 1 x 1 262010 SA104-338 KPB 12:42:31.00 -00:38:31.9 J2000.00 1.206 180.0 21:20:34.3 10.1 B Kitt Peak 1 x 1 262011 SA104-338 U 12:42:30.99 -00:38:31.9 J2000.00 1.209 180.0 21:22:15.1 20.1 U RGO 1 x 1 262012 SA104-338 i 12:42:31.00 -00:38:31.9 J2000.00 1.216 180.0 21:26:06.2 10.1 i Sloan 1 x 1 262013 SA104-338 r 12:42:31.00 -00:38:31.9 J2000.00 1.219 180.0 21:27:44.9 10.1 r Sloan 1 x 1 262014 SA104-338 R 12:42:30.99 -00:38:31.9 J2000.00 1.222 180.0 21:29:23.7 9.6 R Harris 1 x 1 262015 SA104-338 V 12:42:31.00 -00:38:31.9 J2000.00 1.225 180.0 21:31:05.9 10.1 V Harris 1 x 1 262016 SA104-338 KPB 12:42:31.00 -00:38:32.0 J2000.00 1.229 180.0 21:32:44.5 10.1 B Kitt Peak 1 x 1 262017 SA104-338 U 12:42:30.99 -00:38:32.0 J2000.00 1.232 180.0 21:34:22.6 20.1 U RGO 1 x 1 262018 Focus run 12:42:31.00 -00:36:31.9 J2000.00 1.239 180.0 21:39:05.8 10.1 U RGO 1 x 1 262019 Vir041 i 13:39:32.40 +03:06:28.8 J2000.00 1.131 180.0 21:43:04.7 1098.6 i Sloan 1 x 1 262020 Vir041 i 13:39:32.39 +03:06:28.6 J2000.00 1.157 180.0 22:03:54.7 1098.4 i Sloan 1 x 1 262022 Vir041 i 13:39:32.40 +03:06:28.7 J2000.00 1.201 180.0 22:28:15.9 1098.7 i Sloan 1 x 1 262023 Vir041 r 13:39:32.40 +03:06:28.7 J2000.00 1.255 180.0 22:49:26.0 1198.7 r Sloan 1 x 1 262024 Vir041 r 13:39:32.39 +03:06:28.7 J2000.00 1.335 180.0 23:13:27.6 1198.1 r Sloan 1 x 1 262025 Vir041 r 13:39:32.39 +03:06:28.9 J2000.00 1.445 180.0 23:37:56.5 1198.8 r Sloan 1 x 1 262026 SA110-361 i 18:42:45.00 +00:08:03.9 J2000.00 1.336 180.0 00:02:50.4 10.1 i Sloan 1 x 1 262027 SA110-361 r 18:42:45.00 +00:08:04.0 J2000.00 1.329 180.0 00:04:49.3 10.1 r Sloan 1 x 1 262028 SA110-361 R 18:42:44.99 +00:08:04.0 J2000.00 1.322 180.0 00:06:41.0 10.1 R Harris 1 x 1 262029 SA110-361 V 18:42:44.99 +00:08:03.9 J2000.00 1.315 180.0 00:08:46.8 10.1 V Harris 1 x 1 262030 SA110-361 KPB 18:42:45.00 +00:08:03.9 J2000.00 1.308 180.0 00:10:54.6 9.6 B Kitt Peak 1 x 1 262031 SA110-361 U 18:42:45.00 +00:08:04.0 J2000.00 1.302 180.0 00:12:51.8 20.1 U RGO 1 x 1 262032 Her040 R 16:38:17.30 +45:53:34.1 J2000.00 1.049 180.0 00:15:50.3 1198.6 R Harris 1 x 1 262033 Her040 R 16:38:17.29 +45:53:34.1 J2000.00 1.060 180.0 00:40:03.6 1198.3 R Harris 1 x 1 262034 Her040 R 16:38:17.30 +45:53:34.1 J2000.00 1.077 180.0 01:03:13.5 1198.4 R Harris 1 x 1 262036 SA110-361 i 18:42:45.00 +00:08:04.5 J2000.00 1.155 180.0 01:30:45.9 10.1 i Sloan 1 x 1 dome not quite 262037 SA110-361 r 18:42:45.00 +00:08:03.9 J2000.00 1.153 180.0 01:32:21.1 10.1 r Sloan 1 x 1 262038 SA110-361 R 18:42:44.99 +00:08:03.9 J2000.00 1.152 180.0 01:33:51.6 10.1 R Harris 1 x 1 262039 V 18:42:45.00 +00:08:04.0 J2000.00 1.151 180.0 01:35:33.7 10.1 V Harris 1 x 1 262040 SA110-361 V 18:42:44.99 +00:08:04.0 J2000.00 1.150 180.0 01:36:59.6 9.6 V Harris 1 x 1 262041 SA110-361 KPB 18:42:45.00 +00:08:03.9 J2000.00 1.149 180.0 01:38:34.0 10.1 B Kitt Peak 1 x 1 262042 SA110-361 U 18:42:45.00 +00:08:04.0 J2000.00 1.148 180.0 01:40:09.6 19.6 U RGO 1 x 1 262043 SA110-361 i 18:42:44.99 +00:08:03.9 J2000.00 1.147 180.0 01:42:06.5 10.1 i Sloan 1 x 1 262044 Focus run 16:38:17.30 +45:55:34.4 J2000.00 1.116 180.0 01:47:51.0 10.1 U RGO 1 x 1 262045 Her040 U 16:38:17.30 +45:53:34.2 J2000.00 1.141 180.0 01:52:32.6 1198.8 U RGO 1 x 1 262046 Her040 U 16:38:17.30 +45:53:34.1 J2000.00 1.185 180.0 02:15:06.2 1198.7 U RGO 1 x 1 262047 Her040 U 16:38:17.29 +45:53:34.1 J2000.00 1.239 180.0 02:37:39.8 1198.8 U RGO 1 x 1 262048 Her040 U 16:38:17.30 +45:53:34.1 J2000.00 1.306 180.0 03:00:11.9 1198.5 U RGO 1 x 1 262049 Her040 U 16:38:17.29 +45:53:34.1 J2000.00 1.389 180.0 03:22:45.2 1198.9 U RGO 1 x 1 262050 Her040 U 16:38:17.29 +45:53:34.1 J2000.00 1.490 180.0 03:45:17.1 1198.7 U RGO 1 x 1 262051 SA110-361 U 18:42:45.00 +00:08:04.0 J2000.00 1.313 180.0 04:07:49.9 30.1 U RGO 1 x 1 262052 SA110-361 KPB 18:42:45.00 +00:08:04.0 J2000.00 1.319 180.0 04:09:46.5 10.1 B Kitt Peak 1 x 1 262053 SA110-361 V 18:42:45.00 +00:08:04.0 J2000.00 1.325 180.0 04:11:25.8 10.1 V Harris 1 x 1 262054 SA110-361 r 18:42:45.00 +00:08:03.9 J2000.00 1.330 180.0 04:12:59.8 10.1 r Sloan 1 x 1 262055 SA110-361 R 18:42:45.00 +00:08:04.0 J2000.00 1.335 180.0 04:14:32.2 10.1 R Harris 1 x 1 262056 SA110-361 i 18:42:45.00 +00:08:03.9 J2000.00 1.341 180.0 04:16:07.8 10.1 i Sloan 1 x 1 262058 Her039 R 16:35:13.96 +45:43:12.5 J2000.00 1.763 180.0 04:25:51.2 1198.7 R Harris 1 x 1 262059 SA110-361 U 18:42:45.00 +00:08:04.0 J2000.00 1.490 180.0 04:48:59.3 30.1 U RGO 1 x 1 262060 SA110-361 KPB 18:42:45.00 +00:08:03.9 J2000.00 1.499 180.0 04:50:56.7 10.1 B Kitt Peak 1 x 1 262061 SA110-361 V 18:42:45.00 +00:08:04.0 J2000.00 1.509 180.0 04:52:33.0 10.1 V Harris 1 x 1 262062 SA110-361 r 18:42:44.99 +00:08:03.9 J2000.00 1.517 180.0 04:54:04.9 10.1 r Sloan 1 x 1 262063 SA110-361 R 18:42:44.99 +00:08:04.0 J2000.00 1.526 180.0 04:55:37.3 10.1 R Harris 1 x 1 262064 SA110-361 i 18:42:45.00 +00:08:03.9 J2000.00 1.536 180.0 04:57:11.8 10.1 i Sloan 1 x 1