INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20000629 TAPE NR: INTD4421 OBSERVER: S. Hodgkin PROGRAMME: The Wideangle Survey PATT/CAT REF.: WFS9 TELESCOPE OPERATOR: STH SUPPORT ASTRONOMER: TELESCOPE FOCUS: 46.05 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) 1.1 (2nd half) 1.2 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) 06:09 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 3 DARK TIME 06:54 TWILIGHT TIME 02:53 MOONRISE(UT) 04:46 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 arcsec seeing Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 220128 Bias frame 0:00:00.00 +00:00:00.0 A 1.138 180.0 15:21:25.9 0.0 i Sloan 1 x 1 220129 Bias frame 0:00:00.00 +00:00:00.0 A 1.138 180.0 15:22:12.0 0.0 i Sloan 1 x 1 220130 Bias frame 0:00:00.00 +00:00:00.0 A 1.138 180.0 15:22:58.5 0.0 i Sloan 1 x 1 220131 Bias frame 0:00:00.00 +00:00:00.0 A 1.138 180.0 15:23:45.0 0.0 i Sloan 1 x 1 220132 Bias frame 0:00:00.00 +00:00:00.0 A 1.138 180.0 15:24:32.1 0.0 i Sloan 1 x 1 220133 Flat field 13:05:02.99 +29:59:00.1 J2000.00 1.017 180.0 20:30:60.0 2.3 U RGO 1 x 1 220134 Flat field 13:05:05.32 +29:59:30.1 J2000.00 1.018 180.0 20:33:08.6 5.1 U RGO 1 x 1 220135 Flat field 13:05:05.26 +29:59:29.2 J2000.00 1.019 180.0 20:34:49.5 4.1 U RGO 1 x 1 220136 Flat field 13:05:02.99 +29:59:00.0 J2000.00 1.021 180.0 20:36:35.6 4.1 z Gunn 1 x 1 220137 Flat field 13:05:05.30 +29:59:29.9 J2000.00 1.022 180.0 20:38:08.0 6.1 z Gunn 1 x 1 220138 Flat field 13:05:02.99 +29:59:00.0 J2000.00 1.024 180.0 20:40:23.0 2.1 i Sloan 1 x 1 220139 Flat field 13:05:05.30 +29:59:29.9 J2000.00 1.025 180.0 20:41:43.9 4.1 i Sloan 1 x 1 220140 Flat field 13:05:05.30 +29:59:29.9 J2000.00 1.027 180.0 20:43:23.7 8.1 r Sloan 1 x 1 220141 Flat field 13:05:05.30 +29:59:30.0 J2000.00 1.028 180.0 20:45:01.4 12.1 r Sloan 1 x 1 220142 Flat field 13:05:03.00 +29:58:59.9 J2000.00 1.030 180.0 20:46:52.1 10.1 g Sloan 1 x 1 220143 Flat field 13:05:05.30 +29:59:30.0 J2000.00 1.032 180.0 20:48:55.6 15.1 g Sloan 1 x 1 220144 Flat field 13:05:03.00 +29:59:00.0 J2000.00 1.034 180.0 20:51:04.8 30.1 r Sloan 1 x 1 220145 Flat field 13:05:02.99 +29:58:59.9 J2000.00 1.036 180.0 20:53:01.6 60.1 r Sloan 1 x 1 220146 Focus run 12:42:21.00 -00:38:58.0 J2000.00 1.277 180.0 21:05:24.1 10.1 r Sloan 1 x 1 220147 sa104-334 U 12:42:21.00 -00:40:27.9 J2000.00 1.289 180.0 21:08:50.8 20.1 U RGO 1 x 1 220148 sa104-334 g 12:42:20.99 -00:40:27.9 J2000.00 1.293 180.0 21:10:14.9 10.1 g Sloan 1 x 1 220149 sa104-334 i 12:42:21.00 -00:40:28.0 J2000.00 1.297 180.0 21:11:25.7 10.1 i Sloan 1 x 1 220150 sa104-334 r 12:42:20.99 -00:40:28.0 J2000.00 1.300 180.0 21:12:36.3 10.2 r Sloan 1 x 1 220151 sa104-334 Z 12:42:21.00 -00:40:28.0 J2000.00 1.304 180.0 21:13:47.9 10.1 z Gunn 1 x 1 220152 Focus run 16:43:33.20 +40:17:59.9 J2000.00 1.128 180.0 21:21:01.2 10.2 r Sloan 1 x 1 220153 wfsj1637+4116_047 16:43:33.18 +40:15:59.8 J2000.00 1.103 180.0 21:28:21.2 599.5 i Sloan 1 x 1 220154 wfsj1637+4116_047 16:43:33.19 +40:15:59.9 J2000.00 1.086 180.0 21:39:47.1 599.6 r Sloan 1 x 1 220155 wfsj1637+4116_047 16:43:33.19 +40:16:00.0 J2000.00 1.071 180.0 21:51:16.9 599.5 z Gunn 1 x 1 220156 wfsj1637+4116_047 16:43:33.19 +40:16:00.0 J2000.00 1.058 180.0 22:02:43.3 599.4 g Sloan 1 x 1 220157 WFSJ1637+4116_047 16:43:33.19 +40:16:00.0 J2000.00 1.046 180.0 22:15:33.9 599.3 U RGO 1 x 1 220158 GRB 15:35:47.20 +10:41:17.5 J2000.00 1.055 180.0 22:30:53.7 299.9 r Sloan 1 x 1 220159 GRB1 15:35:48.53 +10:41:37.5 J2000.00 1.059 180.0 22:39:51.6 299.8 r Sloan 1 x 1 220160 GRB2 15:35:48.53 +10:40:57.4 J2000.00 1.064 180.0 22:47:31.2 299.8 r Sloan 1 x 1 220161 GRB3 15:35:45.86 +10:40:57.5 J2000.00 1.069 180.0 22:54:29.4 299.8 r Sloan 1 x 1 220162 GRB4 15:35:45.87 +10:41:37.5 J2000.00 1.075 180.0 23:01:55.2 299.7 r Sloan 1 x 1 220163 Focus run 16:43:35.10 +40:37:30.0 J2000.00 1.022 180.0 23:14:01.1 10.1 r Sloan 1 x 1 220164 WFSJ1637+4116_048 16:43:35.10 +40:35:59.9 J2000.00 1.022 180.0 23:22:57.1 599.4 U RGO 1 x 1 220165 wfsj1637+4116_049 16:43:37.09 +40:55:59.9 J2000.00 1.025 180.0 23:35:24.0 599.5 i Sloan 1 x 1 220166 wfsj1637+4116_049 16:43:37.10 +40:56:00.0 J2000.00 1.029 180.0 23:46:59.9 599.5 r Sloan 1 x 1 220167 wfsj1637+4116_049 16:43:37.10 +40:56:00.0 J2000.00 1.035 180.0 23:58:27.0 599.5 z Gunn 1 x 1 220168 wfsj1637+4116_049 16:43:37.10 +40:56:00.0 J2000.00 1.042 180.0 00:09:54.9 599.5 g Sloan 1 x 1 220169 wfsj1637+4116_050 16:43:39.10 +41:15:59.8 J2000.00 1.055 180.0 00:24:03.5 599.4 i Sloan 1 x 1 220170 wfsj1637+4116_050 16:43:39.10 +41:16:00.1 J2000.00 1.066 180.0 00:35:29.3 599.5 r Sloan 1 x 1 220171 wfsj1637+4116_050 16:43:39.10 +41:16:00.0 J2000.00 1.080 180.0 00:46:55.5 599.5 z Gunn 1 x 1 220172 wfsj1637+4116_050 16:43:39.10 +41:15:59.9 J2000.00 1.096 180.0 00:58:22.9 599.3 g Sloan 1 x 1 220173 WFSJ1637+4116_050 16:43:39.09 +41:15:59.9 J2000.00 1.116 180.0 01:10:59.8 599.4 U RGO 1 x 1 220174 wfsj1637+4116_051 16:43:41.20 +41:35:59.9 J2000.00 1.142 180.0 01:24:36.6 599.4 i Sloan 1 x 1 220175 wfsj1637+4116_051 16:43:41.19 +41:36:00.0 J2000.00 1.166 180.0 01:36:02.7 599.5 r Sloan 1 x 1 220176 wfsj1637+4116_051 16:43:41.20 +41:36:00.0 J2000.00 1.193 180.0 01:47:29.5 599.4 z Gunn 1 x 1 220177 wfsj1637+4116_051 16:43:41.19 +41:36:00.0 J2000.00 1.224 180.0 01:58:59.0 599.4 g Sloan 1 x 1 220178 WFSJ1637+4116_051 16:43:41.19 +41:35:59.9 J2000.00 1.259 180.0 02:10:52.7 599.3 U RGO 1 x 1 220179 wfsj1637+4116_052 16:43:43.30 +41:56:00.1 J2000.00 1.300 180.0 02:23:05.7 599.4 i Sloan 1 x 1 220180 wfsj1637+4116_052 16:43:43.30 +41:56:00.0 J2000.00 1.342 180.0 02:34:40.6 599.0 r Sloan 1 x 1 220181 wfsj1637+4116_052 16:43:43.29 +41:55:59.9 J2000.00 1.390 180.0 02:46:09.9 599.4 z Gunn 1 x 1 220182 wfsj1637+4116_052 16:43:43.30 +41:56:00.0 J2000.00 1.443 180.0 02:57:37.3 599.5 g Sloan 1 x 1 220183 WFSJ1637+4116_052 16:43:43.30 +41:55:59.9 J2000.00 1.504 180.0 03:09:35.5 599.4 U RGO 1 x 1 220184 sa113-163 U 21:42:34.99 +00:16:46.0 J2000.00 1.173 180.0 03:22:57.8 20.1 U RGO 1 x 1 220185 sa113-163 g 21:42:35.00 +00:16:46.0 J2000.00 1.172 180.0 03:24:21.7 9.6 g Sloan 1 x 1 220186 sa113-163 i 21:42:34.99 +00:16:45.9 J2000.00 1.170 180.0 03:25:36.0 10.1 i Sloan 1 x 1 220187 sa113-163 r 21:42:35.00 +00:16:46.0 J2000.00 1.169 180.0 03:26:49.0 10.1 r Sloan 1 x 1 220188 sa113-163 Z 21:42:35.00 +00:16:45.9 J2000.00 1.167 180.0 03:28:02.3 10.1 z Gunn 1 x 1 220189 Focus run 22:38:56.00 -01:18:30.0 J2000.00 1.288 180.0 03:32:36.1 10.1 r Sloan 1 x 1 220190 Focus run 22:38:56.00 -01:17:59.9 J2000.00 1.272 180.0 03:39:02.2 10.1 r Sloan 1 x 1 220191 WFSJ2240+0000_019 22:38:56.00 -01:20:00.0 J2000.00 1.243 180.0 03:45:16.8 599.4 g Sloan 1 x 1 220192 wfsj2240+0000_020 22:38:56.00 -01:00:00.0 J2000.00 1.213 180.0 03:58:11.0 599.4 i Sloan 1 x 1 220193 wfsj2240+0000_020 22:38:56.00 -01:00:00.0 J2000.00 1.195 180.0 04:09:38.4 599.4 r Sloan 1 x 1 220194 wfsj2240+0000_020 22:38:56.00 -00:59:59.9 J2000.00 1.180 180.0 04:21:06.8 599.5 g Sloan 1 x 1 220195 wfsj2240+0000_028 22:41:04.00 -01:20:00.0 J2000.00 1.173 180.0 04:33:31.4 599.5 i Sloan 1 x 1 220196 wfsj2240+0000_028 22:41:04.00 -01:19:59.9 J2000.00 1.164 180.0 04:45:02.8 599.5 r Sloan 1 x 1 220197 WFSJ2240+0000_028 22:41:04.00 -01:20:00.0 J2000.00 1.158 180.0 04:57:31.2 599.4 g Sloan 1 x 1 220198 sa113-163 U 21:42:35.00 +00:16:46.0 J2000.00 1.164 180.0 05:09:09.1 20.1 U RGO 1 x 1 220199 sa113-163 g 21:42:35.00 +00:16:46.0 J2000.00 1.166 180.0 05:10:37.5 10.1 g Sloan 1 x 1 220200 sa113-163 i 21:42:35.00 +00:16:46.0 J2000.00 1.167 180.0 05:11:53.4 10.1 i Sloan 1 x 1 220201 sa113-163 r 21:42:35.00 +00:16:45.9 J2000.00 1.169 180.0 05:13:08.3 10.1 r Sloan 1 x 1 220202 sa113-163 Z 21:42:35.00 +00:16:45.9 J2000.00 1.170 180.0 05:14:25.3 10.1 z Gunn 1 x 1