INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20000403 TAPE NR: INTD4345 OBSERVER: MJI PROGRAMME: WFS PATT/CAT REF.: WFS09 TELESCOPE OPERATOR: SUPPORT ASTRONOMER: TELESCOPE FOCUS: 46.0 mm CALIBRATE RESULTS: not specified INSTRUMENT: WFC WEATHER: (1st half) Fair (2nd half) Good CLOUD COVER (%): (1st half) 0 (2nd half) 0 DUST (0-2): (1st half) 0 (2nd half) 0 SEEING (arcsec): (1st half) 2-3 (2nd half) 1-2 DOME OPENED (UT): 21:30 TEMPERATURE, HUMIDITY and WIND: UT Temp Hum% Wspd Wdir 00:00 -1.8 50 0 345 01:00 -1.1 42 0 345 02:00 -0.2 38 0 345 03:00 0.2 31 0 345 04:00 0.8 27 0 345 05:00 1.6 29 0 345 06:00 1.6 27 0 345 SUNSET(UT) 19:38 EVENING TWILIGHT(UT) 20:51 MORNING TWILIGHT(UT) 05:38 SUNRISE(UT) 06:51 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 0 DARK TIME 08:47 TWILIGHT TIME 02:26 MOONRISE(UT) No Moon all night MOONSET(UT) No Moon all night TIME LOST(WEATHER): 01:00 TIME LOST(TECHNICAL): 01:00 TIME LOST(OTHER): 00:00 COMMENTS: After freezing ridge cloud went it was photometric - seeing variable but improving steadily Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 213811 Bias frame 0:00:00.00 +00:00:00.0 A 4.538 180.0 14:49:26.2 0.0 U RGO Real data starts 213812 Bias frame 0:00:00.00 +00:00:00.0 A 4.538 180.0 14:50:12.4 0.0 U RGO 213813 Bias frame 0:00:00.00 +00:00:00.0 A 4.538 180.0 14:51:00.4 0.0 U RGO 213814 Bias frame 0:00:00.00 +00:00:00.0 A 4.538 180.0 14:51:47.7 0.0 U RGO 213815 Bias frame 0:00:00.00 +00:00:00.0 A 4.538 180.0 14:52:34.8 0.0 U RGO 213816 Focus run 9:57:26.00 -00:15:16.0 J2000.00 1.160 180.0 21:40:26.9 10.1 B Kitt Peak Seeing 5 arcsec 213817 sa101-427 KPB 9:57:26.00 -00:17:16.0 J2000.00 1.155 180.0 21:47:03.8 10.1 B Kitt Peak 213818 sa101-427 g 9:57:26.00 -00:17:16.0 J2000.00 1.154 180.0 21:48:16.1 10.1 g Sloan 213819 sa101-427 i 9:57:25.99 -00:17:15.9 J2000.00 1.153 180.0 21:49:28.6 10.1 i Sloan 213820 sa101-427 r 9:57:26.00 -00:17:15.9 J2000.00 1.152 180.0 21:50:40.2 10.1 r Sloan 213821 sa101-427 Z 9:57:26.00 -00:17:15.9 J2000.00 1.152 180.0 21:51:50.6 9.6 z Gunn 213822 virgo545 B 12:18:34.10 +16:23:59.9 J2000.00 1.244 180.0 22:04:00.3 749.3 B Kitt Peak 213823 virgo545 z 12:18:34.09 +16:24:00.1 J2000.00 1.201 180.0 22:18:32.4 599.5 z Gunn 213824 virgo615 z 12:20:33.60 +19:44:00.0 J2000.00 1.152 180.0 22:31:51.8 599.4 z Gunn 213825 virgo615 B 12:20:33.59 +19:44:00.0 J2000.00 1.123 180.0 22:43:22.6 748.8 B Kitt Peak 213826 virgo345 B 12:18:45.30 +13:03:59.9 J2000.00 1.122 180.0 22:59:16.4 749.4 B Kitt Peak 213827 virgo345 z 12:18:45.30 +13:03:59.9 J2000.00 1.099 180.0 23:13:56.9 599.5 z Gunn 213828 virgo548 B 12:25:01.89 +16:24:00.0 J2000.00 1.069 180.0 23:27:41.6 749.2 B Kitt Peak 213829 sa101-427 KPB 9:57:26.00 -00:17:16.1 J2000.00 1.224 180.0 23:41:59.6 10.1 B Kitt Peak Mirror supp osc. 213830 sa101-427 g 9:57:26.00 -00:17:16.0 J2000.00 1.226 180.0 23:43:10.8 10.1 g Sloan ditto 213831 sa101-427 i 9:57:26.00 -00:17:15.9 J2000.00 1.229 180.0 23:44:22.5 10.1 i Sloan ditto 213832 sa101-427 r 9:57:25.99 -00:17:16.0 J2000.00 1.231 180.0 23:45:33.8 10.1 r Sloan ditto 213833 sa101-427 Z 9:57:25.99 -00:17:15.9 J2000.00 1.234 180.0 23:46:45.3 10.1 z Gunn ditto 213834 sa104-334 KPB 12:42:21.00 -00:40:28.0 J2000.00 1.211 180.0 23:48:55.6 9.6 B Kitt Peak 213835 sa104-334 g 12:42:20.99 -00:40:27.9 J2000.00 1.209 180.0 23:50:07.1 10.1 g Sloan 213836 sa104-334 i 12:42:21.00 -00:40:28.0 J2000.00 1.207 180.0 23:51:22.9 10.1 i Sloan 213837 sa104-334 r 12:42:20.99 -00:40:28.0 J2000.00 1.205 180.0 23:52:37.6 10.1 r Sloan 213838 sa104-334 Z 12:42:21.00 -00:40:28.0 J2000.00 1.203 180.0 23:53:49.1 10.1 z Gunn 213840 virgo387 B 12:22:58.60 +13:44:00.0 J2000.00 1.047 180.0 00:01:23.5 749.2 B Kitt Peak 213841 virgo707s B 6:11:23.65 +09:12:00.2 J2000.00 1.020 180.0 00:17:06.5 749.3 B Kitt Peak TS stopped 213842 virgo707s_a B 12:22:42.50 +18:24:00.1 J2000.00 1.017 180.0 00:36:37.7 749.2 B Kitt Peak AP 6 from now on 213843 virgo508 B 12:25:03.09 +15:43:59.9 J2000.00 1.028 180.0 00:52:09.7 749.3 B Kitt Peak 213844 virgo587 B 12:22:50.99 +17:03:59.7 J2000.00 1.029 180.0 01:08:20.1 749.1 B Kitt Peak 213845 virgo588 B 12:25:00.70 +17:04:00.0 J2000.00 1.038 180.0 01:24:06.8 749.2 B Kitt Peak 213846 virgo712s B 12:24:57.20 +19:04:00.1 J2000.00 1.044 180.0 01:38:38.2 749.3 B Kitt Peak 213847 virgo713s B 12:22:45.20 +19:23:59.8 J2000.00 1.062 180.0 01:53:27.4 749.3 B Kitt Peak 213848 sa104-334 KPB 12:42:21.00 -00:40:28.0 J2000.00 1.195 180.0 02:07:34.2 10.1 B Kitt Peak DAS link fu'd - 213851 sa104-334 B 12:42:21.00 -00:40:28.0 J2000.00 1.204 180.0 02:12:56.7 9.7 g Sloan Really g' 213852 sa104-334 B 12:42:21.00 -00:40:28.0 J2000.00 1.211 180.0 02:17:09.5 9.6 B Kitt Peak 213853 virgo715s B 12:22:44.49 +19:44:00.0 J2000.00 1.112 180.0 02:24:16.7 749.4 B Kitt Peak 213854 virgo716s B 12:24:55.99 +19:44:00.2 J2000.00 1.138 180.0 02:38:21.5 749.1 B Kitt Peak 213855 virgo714s B 12:24:56.59 +19:24:00.0 J2000.00 1.176 180.0 02:52:48.7 748.8 B Kitt Peak 213856 sa104-334 B 12:42:20.99 -00:40:28.0 J2000.00 1.344 180.0 03:07:52.9 10.1 B Kitt Peak 213857 sa107-602 KPB 15:39:19.00 -00:15:29.0 J2000.00 1.163 180.0 03:17:54.3 10.1 B Kitt Peak 213858 sa107-602 g 15:39:18.99 -00:15:29.0 J2000.00 1.161 180.0 03:19:15.3 10.1 g Sloan 213859 sa107-602 i 15:39:19.00 -00:15:29.0 J2000.00 1.160 180.0 03:20:28.4 10.1 i Sloan 213860 sa107-602 r 15:39:19.00 -00:15:29.0 J2000.00 1.159 180.0 03:21:41.0 10.1 r Sloan 213861 sa107-602 Z 15:39:19.00 -00:15:29.0 J2000.00 1.158 180.0 03:22:53.1 10.1 z Gunn 213862 wfsj1610+5430_032 16:11:50.20 +54:29:59.9 J2000.00 1.132 180.0 03:26:38.0 599.6 g Sloan 213863 wfsj1610+5430_032 16:11:50.20 +54:29:59.9 J2000.00 1.124 180.0 03:38:24.8 599.6 r Sloan 213864 wfsj1610+5430_033 16:11:51.09 +54:49:59.9 J2000.00 1.121 180.0 03:50:14.4 599.5 r Sloan 213865 wfsj1610+5430_033 16:11:51.10 +54:50:00.0 J2000.00 1.117 180.0 04:01:32.4 599.4 g Sloan 213867 sa107-602 g 15:39:18.99 -00:15:28.9 J2000.00 1.146 180.0 04:16:03.0 10.1 g Sloan 213868 sa107-602 r 15:39:19.00 -00:15:28.9 J2000.00 1.147 180.0 04:17:17.3 10.1 r Sloan 213869 wfsj1637+4116_030 16:38:19.00 +40:35:59.9 J2000.00 1.027 180.0 04:26:34.5 599.6 r Sloan 213870 wfsj1637+4116_030 16:38:18.99 +40:35:59.9 J2000.00 1.023 180.0 04:37:50.3 599.5 g Sloan 213871 wfsj1637+4116_039 16:40:57.10 +40:35:59.9 J2000.00 1.022 180.0 04:49:52.8 599.5 g Sloan 213872 wfsj1637+4116_039 16:40:57.10 +40:35:59.9 J2000.00 1.024 180.0 05:14:55.7 599.5 r Sloan 213873 wfsj1637+4116_021 16:35:41.00 +40:36:00.2 J2000.00 1.030 180.0 05:27:00.4 599.5 g Sloan 213874 wfsj1637+4116_021 16:35:41.00 +40:36:00.0 J2000.00 1.037 180.0 05:38:06.4 599.5 r Sloan 213875 sa107-602 g 15:39:19.00 -00:15:29.0 J2000.00 1.291 180.0 05:50:13.3 10.1 g Sloan 213878 sa107-602 i 15:39:19.00 -00:15:28.9 J2000.00 1.307 180.0 05:55:10.6 10.1 i Sloan 213879 sa107-602 r 15:39:19.00 -00:15:29.0 J2000.00 1.312 180.0 05:56:51.7 10.1 r Sloan 213880 sa107-602 z 15:39:18.99 -00:15:29.0 J2000.00 1.317 180.0 05:58:07.8 10.1 z Gunn 213881 sa110-361 g 18:42:45.00 +00:08:04.0 J2000.00 1.181 180.0 06:01:21.2 10.1 g Sloan 213882 sa110-361 i 18:42:44.99 +00:08:03.9 J2000.00 1.179 180.0 06:02:32.8 10.1 i Sloan 213883 sa110-361 r 18:42:45.00 +00:08:04.0 J2000.00 1.178 180.0 06:03:44.3 10.1 r Sloan 213884 sa110-361 Z 18:42:45.00 +00:08:03.9 J2000.00 1.176 180.0 06:04:55.5 10.1 z Gunn 213885 Flat field 20:00:02.12 +20:00:29.9 J2000.00 1.135 180.0 06:20:59.7 59.6 g Sloan 213886 Flat field 20:00:04.25 +20:01:00.0 J2000.00 1.131 180.0 06:23:14.1 40.1 g Sloan 213887 Flat field 20:00:06.38 +20:01:30.0 J2000.00 1.127 180.0 06:24:56.6 24.6 g Sloan 213888 Flat field 20:00:06.38 +20:01:29.9 J2000.00 1.123 180.0 06:26:41.6 24.6 B Kitt Peak 213889 Flat field 20:00:04.25 +20:01:00.0 J2000.00 1.120 180.0 06:28:08.9 15.1 B Kitt Peak 213890 Flat field 20:00:02.12 +20:00:30.0 J2000.00 1.118 180.0 06:29:26.9 12.1 B Kitt Peak