INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 19991207 TAPE NR: INTD4244 OBSERVER: Jasper Wall, Chris Blake PROGRAMME: INT WFC Survey PATT/CAT REF.: WFS10 TELESCOPE OPERATOR: J Rey SUPPORT ASTRONOMER: TELESCOPE FOCUS: 46.0 mm CALIBRATE RESULTS: not specified INSTRUMENT: WFC WFC FILTER WHEEL: i,KPB,Z,R,V,r WEATHER: (1st half) BAD (2nd half) GOOD CLOUD COVER (%): (1st half) 0 (2nd half) 0 DUST (0-2): (1st half) 0 (2nd half) 0 SEEING (arcsec): (1st half) (2nd half) 1.2 DOME OPENED (UT): 01:00 SUNSET(UT) 18:22 EVENING TWILIGHT(UT) 19:38 MORNING TWILIGHT(UT) 06:28 SUNRISE(UT) 07:44 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 0 DARK TIME 10:50 TWILIGHT TIME 02:32 MOONRISE(UT) No Moon all night MOONSET(UT) No Moon all night TIME LOST(WEATHER): 05:22 TIME LOST(TECHNICAL): 00:00 TIME LOST(OTHER): 00:00 COMMENTS: first half of night lost due to high humidity Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 203221 Bias 0:00:00.00 +00:00:00.0 J2000.00 4.725 180.0 13:32:47.5 0.0 r Sloan 203222 Clive's test 0:00:00.00 +00:00:00.0 J2000.00 4.725 180.0 13:38:24.3 2.0 R Harris 203223 with lights out 18:00:00.00 +09:59:59.9 A 1.060 180.0 13:47:50.5 0.0 R Harris 203224 Bias frame 0:00:00.00 +00:00:00.0 A 1.521 179.7 20:24:49.1 0.0 V Harris 203225 Flat field 23:54:08.90 +59:28:18.0 B1950.00 1.182 179.7 20:56:30.9 7.9 V Harris 203226 Focus run 23:54:08.90 +59:30:48.0 B1950.00 1.190 179.7 21:08:34.7 10.1 V Harris 203227 Focus run 6:52:11.50 -00:17:15.9 J2000.00 1.280 179.7 01:12:22.9 10.1 R Harris 203228 98-670_B 6:52:11.50 -00:19:16.0 J2000.00 1.244 179.7 01:25:27.0 10.1 B Kitt Peak 203229 98-670_V 6:52:11.50 -00:19:15.9 J2000.00 1.241 179.7 01:27:00.4 10.1 V Harris 203230 98-670_R 6:52:11.50 -00:19:16.0 J2000.00 1.236 179.7 01:29:15.5 10.1 R Harris 203231 98-670_i 6:52:11.50 -00:19:15.9 J2000.00 1.232 179.7 01:30:45.6 9.6 i Sloan 203232 98-670_z 6:52:11.50 -00:19:15.9 J2000.00 1.229 179.7 01:32:19.6 9.7 z Gunn 203234 H040_z_test 9:08:27.07 +41:18:22.1 J2000.00 1.385 179.7 01:44:45.8 120.0 z Gunn 203235 H039_z_1 9:05:37.12 +41:08:00.7 J2000.00 1.311 179.7 01:56:31.6 599.5 z Gunn 203236 H039_i_1 9:05:37.12 +41:08:00.7 J2000.00 1.256 179.7 02:08:35.4 1099.0 i Sloan 203237 H039_i_2 9:05:37.12 +41:08:00.6 J2000.00 1.199 179.7 02:28:46.5 1098.7 i Sloan 203238 H039_i_3 9:05:37.12 +41:08:00.6 J2000.00 1.153 179.7 02:48:27.7 1098.9 i Sloan 203239 H039_R_1 9:05:37.12 +41:08:00.7 J2000.00 1.114 179.7 03:08:00.3 1198.7 R Harris 203240 H039_R_2 9:05:37.12 +41:08:00.7 J2000.00 1.081 179.7 03:30:24.9 1198.7 R Harris 203241 H039_R_3 9:05:37.12 +41:08:00.6 J2000.00 1.056 179.7 03:52:08.4 1198.8 R Harris 203242 H039_V_1 9:05:37.12 +41:08:00.7 J2000.00 1.040 179.7 04:13:38.7 998.9 V Harris 203243 H039_V_2 9:05:37.12 +41:08:00.6 J2000.00 1.030 179.7 04:31:43.3 999.2 V Harris 203244 H039_V_3 9:05:37.13 +41:08:00.7 J2000.00 1.025 179.7 04:52:53.3 999.0 V Harris 203245 H039_B_1 9:05:37.11 +41:08:00.7 J2000.00 1.024 179.7 05:11:16.6 899.2 B Kitt Peak 203246 H039_B_2 9:05:37.12 +41:08:00.6 J2000.00 1.028 179.7 05:28:01.2 899.2 B Kitt Peak 203247 H039_B_3 9:05:37.12 +41:08:00.7 J2000.00 1.035 179.7 05:44:30.4 899.2 B Kitt Peak 203248 H065_I_1 9:08:45.56 +40:26:01.4 J2000.00 1.045 179.7 06:04:28.9 1099.0 i Sloan 203249 H065_I_2 9:08:45.56 +40:26:01.3 J2000.00 1.064 179.7 06:23:55.4 1099.0 i Sloan 203250 H065_z_1 9:08:45.56 +40:26:01.4 J2000.00 1.087 179.7 06:43:57.9 899.2 z Gunn 203251 Flat field 13:04:33.00 +29:50:49.0 B1950.00 1.112 179.7 07:12:19.4 64.9 R Harris 203252 Flat field 13:04:33.38 +29:50:48.9 B1950.00 1.107 179.7 07:14:46.2 40.4 R Harris 203253 Flat field 13:04:33.38 +29:50:49.0 B1950.00 1.103 179.7 07:16:43.1 42.9 i Sloan 203254 Flat field 13:04:33.00 +29:50:49.0 B1950.00 1.100 179.7 07:18:40.6 28.3 i Sloan 203255 Flat field 13:04:33.00 +29:50:48.9 B1950.00 1.097 179.7 07:20:22.9 14.8 V Harris 203256 Sky background 13:04:33.38 +29:50:49.0 B1950.00 1.094 179.7 07:22:09.5 6.1 V Harris 203257 Sky background 13:04:33.38 +29:50:49.0 B1950.00 1.091 179.7 07:23:44.5 20.1 z Gunn 203258 Sky background 13:04:33.00 +29:50:48.9 B1950.00 1.087 179.7 07:25:39.1 12.1 z Gunn 203259 Sky background 13:04:32.99 +29:50:48.9 B1950.00 1.085 179.7 07:27:19.8 2.1 B Kitt Peak 203260 Sky background 13:04:33.38 +29:50:48.9 B1950.00 1.082 179.7 07:28:48.9 1.1 B Kitt Peak