INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20000627 TAPE NR: INTD4418 OBSERVER: M. Irwin, S. Hodgkin, R. Sharp PROGRAMME: The Wideangle Survey PATT/CAT REF.: WFS9 TELESCOPE OPERATOR: STH,MJI SUPPORT ASTRONOMER: TELESCOPE FOCUS: 46 mm CALIBRATE RESULTS: HI 32.6 +/- 4.43, DI -75.39 +/- 1.36, HC 54.33 +/- 3.43, Sky sigma 3.34 INSTRUMENT: WFC WFC FILTER WHEEL: r,Z,i,g,U,KPB WEATHER: (1st half) Good (2nd half) Good CLOUD COVER (%): (1st half) 0 (2nd half) 0 DUST (0-2): (1st half) 0 (2nd half) 0 SEEING (arcsec): (1st half) 0.8 (2nd half) 0.9 DOME OPENED (UT): 20:20 METEOROLOGICAL PARAMETERS UT AirT Hum% Wspd Gust Wdir Press LocT IntT Mirr LocRH IntRH SUNSET(UT) 20:22 EVENING TWILIGHT(UT) 21:48 MORNING TWILIGHT(UT) 04:42 SUNRISE(UT) 06:08 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 14 DARK TIME 06:54 TWILIGHT TIME 02:52 MOONRISE(UT) 03:10 MOONSET(UT) No moonset within sunset-sunrise TIME LOST(WEATHER): 00:00 TIME LOST(TECHNICAL): 00:00 TIME LOST(OTHER): 00:00 COMMENTS: Photometric all night and sub-arcsec seeing Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 219949 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.0 15:32:01.6 0.0 r Sloan 1 x 1 219950 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.0 15:33:07.6 0.0 r Sloan 1 x 1 219951 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.0 15:33:53.7 0.0 r Sloan 1 x 1 219952 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.0 15:34:40.1 0.0 r Sloan 1 x 1 219953 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.0 15:35:29.9 0.0 r Sloan 1 x 1 219954 Flat field 13:04:59.99 +29:49:59.9 B1950.00 1.011 180.0 20:32:10.3 2.0 U RGO 1 x 1 8k counts 219955 Flat field 13:05:02.30 +29:50:29.8 B1950.00 1.012 180.0 20:33:51.2 5.1 U RGO 1 x 1 25k 219956 Flat field 13:05:04.61 +29:51:00.0 B1950.00 1.013 180.0 20:35:12.7 10.1 U RGO 1 x 1 40k 219957 Flat field 13:05:04.61 +29:51:00.0 B1950.00 1.013 180.0 20:36:39.6 5.1 U RGO 1 x 1 15k 219958 Flat field 13:05:00.00 +29:50:00.0 B1950.00 1.015 180.0 20:38:16.1 5.1 z Gunn 1 x 1 17k 219959 Flat field 13:05:02.30 +29:50:30.0 B1950.00 1.015 180.0 20:39:37.8 8.1 z Gunn 1 x 1 18k 219960 Flat field 13:05:00.00 +29:50:00.0 B1950.00 1.017 180.0 20:41:15.1 4.1 i Sloan 1 x 1 25k 219961 Flat field 13:05:03.48 +29:50:45.0 B1950.00 1.018 180.0 20:42:44.8 6.1 i Sloan 1 x 1 24k 219962 Flat field 13:05:00.00 +29:50:00.0 B1950.00 1.019 180.0 20:44:27.5 12.1 r Sloan 1 x 1 26k 219963 Flat field 13:05:02.30 +29:50:29.9 B1950.00 1.020 180.0 20:46:17.5 20.1 r Sloan 1 x 1 26k 219964 Flat field 13:05:00.00 +29:50:00.0 B1950.00 1.022 180.0 20:48:16.0 17.1 g Sloan 1 x 1 25k 219965 Flat field 13:05:02.30 +29:50:30.0 B1950.00 1.024 180.0 20:50:01.8 25.1 g Sloan 1 x 1 24k 219966 Flat field 13:05:02.30 +29:50:29.9 B1950.00 1.025 180.0 20:51:44.1 25.1 B Kitt Peak 1 x 1 15k 219967 Flat field 13:05:00.00 +29:49:59.9 B1950.00 1.027 180.0 20:53:25.0 40.1 B Kitt Peak 1 x 1 16k 219968 Focus run 12:42:21.00 -00:38:57.9 J2000.00 1.258 180.0 21:06:00.6 10.1 B Kitt Peak 1 x 1 219969 sa104-334 U 12:42:21.00 -00:40:27.9 J2000.00 1.278 180.0 21:12:49.6 20.1 U RGO 1 x 1 219970 sa104-334 g 12:42:21.00 -00:40:28.0 J2000.00 1.282 180.0 21:14:11.6 10.1 g Sloan 1 x 1 219971 sa104-334 i 12:42:20.99 -00:40:27.9 J2000.00 1.285 180.0 21:15:23.3 10.1 i Sloan 1 x 1 219972 sa104-334 r 12:42:21.00 -00:40:28.0 J2000.00 1.289 180.0 21:16:34.5 10.1 r Sloan 1 x 1 219973 sa104-334 Z 12:42:20.99 -00:40:27.9 J2000.00 1.292 180.0 21:17:44.9 10.1 z Gunn 1 x 1 219974 Focus run 16:35:38.49 +42:37:29.9 J2000.00 1.129 180.0 21:23:37.9 10.1 r Sloan 1 x 1 219975 wfsj1637+4116_027 16:35:38.49 +42:35:59.9 J2000.00 1.108 180.0 21:30:26.7 599.4 i Sloan 1 x 1 219976 wfsj1637+4116_027 16:35:38.49 +42:36:00.0 J2000.00 1.091 180.0 21:41:51.8 599.5 r Sloan 1 x 1 219977 wfsj1637+4116_027 16:35:38.49 +42:36:00.0 J2000.00 1.077 180.0 21:53:17.5 599.5 z Gunn 1 x 1 219978 wfsj1637+4116_027 16:35:38.49 +42:36:00.0 J2000.00 1.065 180.0 22:04:44.1 599.4 g Sloan 1 x 1 219979 WFSJ1637+4116_027 16:35:38.50 +42:36:00.0 J2000.00 1.054 180.0 22:16:10.1 599.4 U RGO 1 x 1 219980 wfsj1637+4116_018 16:32:55.50 +42:35:59.9 J2000.00 1.043 180.0 22:29:20.6 599.5 i Sloan 1 x 1 219981 wfsj1637+4116_018 16:32:55.50 +42:35:59.9 J2000.00 1.037 180.0 22:40:46.6 599.6 r Sloan 1 x 1 219982 wfsj1637+4116_018 16:32:55.50 +42:35:59.9 J2000.00 1.033 180.0 22:52:12.2 599.5 z Gunn 1 x 1 219983 wfsj1637+4116_018 16:32:55.50 +42:35:59.9 J2000.00 1.031 180.0 23:03:36.4 599.5 g Sloan 1 x 1 219984 WFSJ1637+4116_018 16:32:55.50 +42:36:00.0 J2000.00 1.030 180.0 23:16:32.7 599.0 U RGO 1 x 1 219985 wfsj1637+4116_038 16:40:55.90 +40:16:00.1 J2000.00 1.021 180.0 23:29:35.3 599.5 i Sloan 1 x 1 219986 wfsj1637+4116_038 16:40:55.90 +40:16:00.0 J2000.00 1.023 180.0 23:41:07.5 599.5 r Sloan 1 x 1 219987 wfsj1637+4116_038 16:40:55.90 +40:16:00.0 J2000.00 1.027 180.0 23:52:34.8 599.5 z Gunn 1 x 1 219988 wfsj1637+4116_038 16:40:55.90 +40:16:00.0 J2000.00 1.032 180.0 00:03:59.2 599.5 g Sloan 1 x 1 219989 wfsj1637+4116_029 16:38:18.60 +40:16:00.0 J2000.00 1.042 180.0 00:16:05.1 599.5 i Sloan 1 x 1 219990 wfsj1637+4116_029 16:38:18.60 +40:15:59.9 J2000.00 1.052 180.0 00:27:30.1 599.4 r Sloan 1 x 1 219991 wfsj1637+4116_029 16:38:18.60 +40:16:00.0 J2000.00 1.064 180.0 00:38:56.4 599.5 z Gunn 1 x 1 219992 wfsj1637+4116_029 16:38:18.59 +40:16:00.0 J2000.00 1.078 180.0 00:50:24.0 599.5 g Sloan 1 x 1 219993 WFSJ1637+4116_029 16:38:18.60 +40:15:59.9 J2000.00 1.095 180.0 01:02:06.0 599.5 U RGO 1 x 1 219994 wfsj1637+4116_020 16:35:41.39 +40:15:59.9 J2000.00 1.120 180.0 01:14:53.6 599.5 i Sloan 1 x 1 219995 wfsj1637+4116_020 16:35:41.40 +40:16:00.0 J2000.00 1.142 180.0 01:26:20.2 599.4 r Sloan 1 x 1 219996 wfsj1637+4116_020 16:35:41.40 +40:16:00.1 J2000.00 1.167 180.0 01:37:46.2 599.5 z Gunn 1 x 1 219997 wfsj1637+4116_020 16:35:41.40 +40:16:00.0 J2000.00 1.195 180.0 01:49:13.6 599.5 g Sloan 1 x 1 219998 Focus run 16:33:04.09 +40:17:29.9 J2000.00 1.228 180.0 02:04:33.7 10.1 r Sloan 1 x 1 219999 wfsj1637+4116_011 16:33:04.10 +40:16:00.0 J2000.00 1.262 180.0 02:09:40.6 599.1 i Sloan 1 x 1 220000 wfsj1637+4116_011 16:33:04.09 +40:16:00.1 J2000.00 1.301 180.0 02:21:16.5 599.4 r Sloan 1 x 1 220001 wfsj1637+4116_011 16:33:04.09 +40:16:00.0 J2000.00 1.345 180.0 02:32:44.4 599.4 z Gunn 1 x 1 220002 wfsj1637+4116_011 16:33:04.10 +40:15:59.9 J2000.00 1.394 180.0 02:44:09.1 599.5 g Sloan 1 x 1 220003 WFSJ1637+4116_011 16:33:04.09 +40:15:59.9 J2000.00 1.447 180.0 02:55:23.9 599.4 U RGO 1 x 1 220004 sa113-163 U 21:42:35.00 +00:16:45.9 J2000.00 1.207 180.0 03:09:33.9 20.1 U RGO 1 x 1 220005 sa113-163 g 21:42:35.00 +00:16:45.9 J2000.00 1.204 180.0 03:10:58.1 10.1 g Sloan 1 x 1 220006 sa113-163 i 21:42:35.00 +00:16:46.0 J2000.00 1.202 180.0 03:12:09.9 10.1 i Sloan 1 x 1 220007 sa113-163 r 21:42:34.99 +00:16:45.9 J2000.00 1.200 180.0 03:13:21.8 10.1 r Sloan 1 x 1 220008 sa113-163 Z 21:42:34.99 +00:16:45.9 J2000.00 1.198 180.0 03:14:33.3 10.1 z Gunn 1 x 1 220009 Focus run 21:42:34.99 +00:18:15.9 J2000.00 1.193 180.0 03:18:21.7 10.1 z Gunn 1 x 1 220010 wfsj2240+0000_001 22:34:39.90 -01:20:00.1 J2000.00 1.306 180.0 03:24:39.4 599.3 i Sloan 1 x 1 220011 wfsj2240+0000_001 22:34:39.90 -01:19:59.9 J2000.00 1.273 180.0 03:36:13.1 599.4 r Sloan 1 x 1 220012 WFSJ2240+0000_002 22:34:40.00 -00:59:59.8 J2000.00 1.238 180.0 03:49:16.6 598.8 r Sloan 1 x 1 220013 Focus run 22:36:47.90 -01:18:29.9 J2000.00 1.228 180.0 04:03:44.7 10.1 r Sloan 1 x 1 220014 WFSJ2240+0000_010 22:36:47.90 -01:17:00.4 J2000.00 1.212 180.0 04:07:02.6 598.9 r Sloan 1 x 1 220015 WFSJ2240+0000_011 22:36:48.00 -00:59:59.7 J2000.00 1.189 180.0 04:19:43.7 599.0 r Sloan 1 x 1 220016 WFSJ2240+0000_011 22:36:47.99 -00:59:59.9 J2000.00 1.175 180.0 04:31:10.3 599.5 i Sloan 1 x 1 220017 WFSJ2240+0000_019 22:38:56.00 -01:20:00.1 J2000.00 1.170 180.0 04:43:08.7 598.9 r Sloan 1 x 1 220018 WFSJ2240+0000_019 22:38:56.00 -01:20:00.1 J2000.00 1.162 180.0 04:54:39.8 599.5 i Sloan 1 x 1 220019 sa113-163 U 21:42:35.00 +00:16:46.0 J2000.00 1.154 180.0 05:06:43.7 20.1 U RGO 1 x 1 220020 sa113-163 g 21:42:35.00 +00:16:46.0 J2000.00 1.155 180.0 05:08:05.6 9.6 g Sloan 1 x 1 220021 sa113-163 i 21:42:35.00 +00:16:46.0 J2000.00 1.156 180.0 05:09:19.7 10.1 i Sloan 1 x 1 220022 sa113-163 r 21:42:35.00 +00:16:46.0 J2000.00 1.157 180.0 05:10:32.9 10.1 r Sloan 1 x 1 220023 sa113-163 Z 21:42:35.00 +00:16:46.0 J2000.00 1.159 180.0 05:11:45.8 10.1 z Gunn 1 x 1