INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20001020 TAPE NR: INTD4534 OBSERVER: S. Hodgkin PROGRAMME: wide angle survey PATT/CAT REF.: WFS09+M31 TELESCOPE OPERATOR: J. Rey SUPPORT ASTRONOMER: - TELESCOPE FOCUS: 46.15 mm CALIBRATE RESULTS: HI 42.58 +/- 3.37, DI -38.64 +/- 1.11, HC 54.76 +/- 2.44, Sky sigma 2.94 INSTRUMENT: WFC WFC FILTER WHEEL: i, r, U, Z, g, KPB WEATHER: (1st half) fair (2nd half) fair CLOUD COVER (%): (1st half) 10 (2nd half) 0 DUST (0-2): (1st half) 0 (2nd half) 0 SEEING (arcsec): (1st half) 1.5 (2nd half) 1.3 DOME OPENED (UT): 18:30 METEOROLOGICAL PARAMETERS UT AirT Hum% Wspd Gust Wdir Press LocT IntT Mirr LocRH IntRH 19:00 9.9 18 13.4 15.5 284 772.2 9.5 13.5 13.3 17 18 20:00 8.3 36 22.1 24.9 294 772.2 8.6 10.9 13.2 35 29 21:00 7.5 77 24.0 25.9 326 772.4 8.2 10.3 12.4 58 54 22:00 6.7 88 17.2 18.1 350 772.6 7.0 9.2 12.5 76 74 23:00 9.1 53 11.8 12.6 346 772.9 9.6 9.8 11.9 51 48 00:00 8.9 51 16.9 18.8 274 772.9 9.5 10.0 12.0 47 45 01:00 8.1 57 20.4 22.1 308 772.5 8.9 9.4 11.7 53 52 02:00 8.3 55 22.6 23.2 278 772.3 8.6 9.9 11.7 54 49 03:00 5.6 100 29.4 30.8 329 771.6 6.1 9.9 11.8 100 74 04:00 7.9 45 26.3 27.8 273 771.4 8.0 8.8 11.7 43 43 05:00 8.5 6 28.4 29.6 354 770.9 9.1 9.6 11.3 5 7 06:00 8.6 9 27.9 31.3 285 770.8 8.9 9.7 11.1 9 9 07:00 7.9 14 20.6 23.7 282 770.6 8.3 8.9 10.6 13 14 SUNSET(UT) 18:44 EVENING TWILIGHT(UT) 19:56 MORNING TWILIGHT(UT) 05:57 SUNRISE(UT) 07:09 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 44 DARK TIME 10:01 TWILIGHT TIME 02:24 MOONRISE(UT) 00:59 MOONSET(UT) No moonset within sunset-sunrise TIME LOST(WEATHER): 01:20 TIME LOST(TECHNICAL): 00:00 TIME LOST(OTHER): 00:00 Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 233735 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 13:30:58.8 0.0 B Kitt Peak 1 x 1 233736 Flat field 17:00:00.00 +41:00:00.0 J2000.00 1.216 180.0 18:53:26.9 2.1 U RGO 1 x 1 233737 Flat field 17:00:00.00 +41:00:00.0 J2000.00 1.219 180.0 18:54:41.7 7.1 U RGO 1 x 1 233738 Flat field 17:00:02.65 +41:00:30.0 J2000.00 1.224 180.0 18:56:30.4 6.1 U RGO 1 x 1 233739 Flat field 17:00:05.30 +41:01:00.0 J2000.00 1.228 180.0 18:57:53.6 8.1 U RGO 1 x 1 233740 Flat field 16:59:57.35 +40:59:30.0 J2000.00 1.232 180.0 18:59:20.9 12.1 U RGO 1 x 1 233741 Flat field 16:59:59.99 +40:59:59.9 J2000.00 1.239 180.0 19:01:27.1 8.9 z Gunn 1 x 1 233742 Flat field 17:00:02.65 +41:00:30.0 J2000.00 1.243 180.0 19:03:00.5 14.1 z Gunn 1 x 1 233743 Flat field 17:00:05.30 +41:01:00.0 J2000.00 1.248 180.0 19:04:38.6 21.4 z Gunn 1 x 1 233744 Flat field 17:00:00.00 +41:00:00.0 J2000.00 1.254 180.0 19:06:36.9 8.1 g Sloan 1 x 1 233745 Flat field 17:00:02.65 +41:00:29.9 J2000.00 1.259 180.0 19:08:10.4 12.1 g Sloan 1 x 1 233746 Flat field 17:00:05.30 +41:00:59.9 J2000.00 1.264 180.0 19:09:50.3 18.1 g Sloan 1 x 1 233747 Flat field 17:00:00.00 +40:59:59.9 J2000.00 1.273 180.0 19:12:08.0 35.6 r Sloan 1 x 1 233748 Flat field 17:00:02.65 +41:00:30.0 J2000.00 1.284 180.0 19:15:22.0 71.1 r Sloan 1 x 1 233749 Flat field 16:59:59.99 +40:59:59.9 J2000.00 1.294 180.0 19:18:04.8 78.2 i Sloan 1 x 1 233750 Flat field 17:00:02.65 +41:00:30.0 J2000.00 1.304 180.0 19:20:36.5 130.8 i Sloan 1 x 1 233751 Focus run 18:42:45.00 +00:10:04.1 J2000.00 1.259 180.0 19:38:12.8 10.1 i Sloan 1 x 1 233752 wfsj1637+4116_040 16:40:58.30 +40:56:00.0 J2000.00 1.535 180.0 19:47:23.2 599.4 g Sloan 1 x 1 233753 wfsj2240+0000_028 22:41:03.99 -01:20:00.0 J2000.00 1.287 180.0 20:05:21.5 599.3 z Gunn 1 x 1 233754 wfsj2240+0000_029 22:41:03.99 -00:59:59.9 J2000.00 1.247 180.0 20:19:09.7 599.5 g Sloan 1 x 1 233755 wfsj2240+0000_029 11:20:32.00 -00:30:00.0 J2000.00 1.224 180.0 20:30:12.6 599.0 r Sloan 1 x 1 233756 wfsj2240+0000_029 11:20:32.00 -00:29:59.9 J2000.00 1.204 180.0 20:41:15.4 599.5 i Sloan 1 x 1 233757 wfsj2240+0000_037 22:43:12.10 -01:20:00.0 J2000.00 1.190 180.0 20:57:53.4 362.0 g Sloan 1 x 1 233759 wfsj2240+0000_037 22:43:12.10 -01:20:00.0 J2000.00 1.174 180.0 21:10:09.7 599.5 z Gunn 1 x 1 233760 wfsj2240+0000_037 22:43:12.09 -01:20:00.0 J2000.00 1.165 180.0 21:22:22.6 599.5 i Sloan 1 x 1 233761 wfsj2240+0000_037 22:43:12.10 -01:20:00.0 J2000.00 1.158 180.0 21:34:53.0 599.4 g Sloan 1 x 1 233762 wfsj2240+0000_037 22:43:12.09 -01:20:00.0 J2000.00 1.156 180.0 21:46:44.6 599.0 r Sloan 1 x 1 233763 wfsj2240+0000_038 22:43:12.00 -01:00:00.0 J2000.00 1.153 180.0 22:00:08.0 599.4 g Sloan 1 x 1 233764 wfsj2240+0000_038 22:43:12.00 -01:00:00.0 J2000.00 1.156 180.0 22:11:11.5 599.6 r Sloan 1 x 1 233765 wfsj2240+0000_038 22:43:11.99 -00:59:59.9 J2000.00 1.162 180.0 22:22:15.3 599.2 i Sloan 1 x 1 233766 wfsj2240+0000_038 22:43:12.00 -00:59:59.9 J2000.00 1.172 180.0 22:33:19.7 599.4 z Gunn 1 x 1 233768 wfsj2240+0000_040 22:43:12.00 -00:19:59.7 J2000.00 1.188 180.0 22:53:38.3 599.4 z Gunn 1 x 1 233769 wfsj2240+0000_041 22:43:12.00 -00:00:00.0 J2000.00 1.220 180.0 23:14:19.4 599.4 z Gunn 1 x 1 233770 wfsj2240+0000_041 22:43:11.99 +00:00:00.1 J2000.00 1.245 180.0 23:25:24.1 599.5 i Sloan 1 x 1 233771 wfsj2240+0000_041 22:43:12.00 +00:00:00.0 J2000.00 1.273 180.0 23:36:29.3 599.4 r Sloan 1 x 1 233772 wfsj2240+0000_041 22:43:12.00 +00:00:00.0 J2000.00 1.306 180.0 23:47:34.9 599.4 g Sloan 1 x 1 233774 M31-microfld1 0:44:00.00 +41:34:00.0 J2000.00 1.026 180.0 00:04:22.6 319.3 r Sloan 1 x 1 233775 M31-microfld1 0:44:00.00 +41:34:00.0 J2000.00 1.027 180.0 00:11:08.0 319.6 r Sloan 1 x 1 233776 M31-microfld1 0:44:00.00 +41:34:00.0 J2000.00 1.029 180.0 00:17:50.6 319.7 i Sloan 1 x 1 233777 M31-microfld1 0:44:00.00 +41:34:00.0 J2000.00 1.032 180.0 00:24:33.4 319.8 i Sloan 1 x 1 233778 M31-microfld2 0:43:10.00 +40:58:14.9 J2000.00 1.033 180.0 00:32:19.3 319.7 r Sloan 1 x 1 233779 M31-microfld2 0:43:10.00 +40:58:14.9 J2000.00 1.037 180.0 00:39:05.2 319.9 r Sloan 1 x 1 233780 M31-microfld2 0:43:10.00 +40:58:14.9 J2000.00 1.042 180.0 00:45:48.5 319.8 i Sloan 1 x 1 233781 M31-microfld2 0:43:10.00 +40:58:15.0 J2000.00 1.047 180.0 00:52:28.8 319.8 i Sloan 1 x 1 233782 Focus run 3:51:20.00 +23:30:59.9 J2000.00 1.004 180.0 02:58:31.8 10.1 i Sloan 1 x 1 233784 wfsj0347+2400-iz17 3:51:19.99 +23:28:59.9 J2000.00 1.005 180.0 03:08:39.9 599.4 i Sloan 1 x 1 233785 wfsj0347+2400-iz17 3:51:19.99 +23:28:59.9 J2000.00 1.008 180.0 03:19:45.7 599.4 z Gunn 1 x 1 233787 wfsj0347+2400-iz18 3:42:57.39 +25:14:55.4 J2000.00 1.019 180.0 03:37:17.8 599.5 i Sloan 1 x 1 233788 wfsj0347+2400-iz18 3:42:57.38 +25:14:55.4 J2000.00 1.033 180.0 03:48:22.9 1198.9 z Gunn 1 x 1 233789 wfsj0347+2400-iz19 3:42:55.88 +24:57:23.0 J2000.00 1.053 180.0 04:10:19.4 599.4 i Sloan 1 x 1 233790 wfsj0347+2400-iz19 3:42:55.88 +24:57:23.1 J2000.00 1.077 180.0 04:21:21.9 1198.8 z Gunn 1 x 1 233791 wfsj0347+2400-iz20 3:40:22.44 +24:00:00.1 J2000.00 1.119 180.0 04:44:55.6 599.5 i Sloan 1 x 1 233792 wfsj0347+2400-iz20 3:40:22.44 +23:59:59.9 J2000.00 1.158 180.0 04:55:58.5 1198.7 z Gunn 1 x 1 233793 wfsj0347+2400-iz21 3:40:22.44 +23:40:00.0 J2000.00 1.206 180.0 05:17:48.5 599.5 i Sloan 1 x 1 233794 wfsj0347+2400-iz21 3:40:22.44 +23:39:59.9 J2000.00 1.262 180.0 05:28:50.6 1198.2 z Gunn 1 x 1 233795 wfsj0347+2400-iz22 3:40:47.60 +24:45:59.1 J2000.00 1.333 180.0 05:53:16.2 599.5 i Sloan 1 1 x 1 233796 wfsj0347+2400-iz22 3:40:47.60 +24:45:59.0 J2000.00 1.412 180.0 06:04:22.0 1198.7 z Gunn 1 1 x 1