INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 1998 DEC 22/23 INT TAPE NR: INTD3907/08 OBSERVER: N. Walton PROGRAMME: WFC Survey PATT/CAT: WFS 9 TELESCOPE OPERATOR: P. Sorensen SUPPORT ASTRONOMER: N. Walton FOCUS: PRIME INSTRUMENT: WFC FILTER WHEEL (PF): I, U, R, V, Z, B CAMERA (IDS): - COLLIMATOR (IDS): - COLL. FOCUS (IDS): - GRATING (IDS): - DETECTOR: 4xEEV PIXELS: 2k x 4k PIXEL SIZE (microns): 13.5 WINDOW: none BINNING: none WEATHER: Bad OUTSIDE TEMP (deg C): 0.2 (FIRST HALF) OUTSIDE TEMP (deg C): 0.8 (SECOND HALF) HUMIDITY (%): 100 (FIRST HALF) HUMIDITY (%): 100 (SECOND HALF) CLOUD COVER (%): 100 (FIRST HALF) CLOUD COVER (%): 100 (SECOND HALF) DUST (0 - 2): 0 (FIRST HALF) DUST (0 - 2): 0 (SECOND HALF) SEEING (arcsec): - (FIRST HALF) SEEING (arcsec): - (SECOND HALF) AV. SEEING (arcsec): - NO. SEEING MEASURES: - UTC TELESCOPE CASELLA OUT CASELLA IN SEEING AZ EL Focus TComp Temp Humid Temp Humid Det./TV Comments DARK HOURS: 10:53 DOME OPEN (UTC): --:-- MOON PHASE (D/G/B): D DK HRS LOST (WEATHER):10:53 DK HRS LOST (TELESC): 00:00 DK HRS LOST (DOME): 00:00 DK HRS LOST (INSTR.): 00:00 DK HRS LOST (DET.): 00:00 DK HRS LOST (COMPS.): 00:00 DK HRS LOST (A&G): 00:00 DK HRS LOST (OTHER): 00:00 COMMENTS: All night lost due to bad weather Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 141082 Bias frame 17:59:59.99 +20:00:00.1 J2000.00 1.078 179.8 14:36:05.9 0.0 z Gunn 1 1 x 1 141086 Dome Z 40s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 15:51:33.4 40.0 z Gunn 1 1 x 1 141090 Dome Z 48s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 15:57:07.0 48.1 z Gunn 1 1 x 1 141094 Dome Z 40s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:00:49.9 40.1 z Gunn 1 1 x 1 141098 Dome Z 32s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:04:25.0 32.1 z Gunn 1 1 x 1 141102 Dome Z 24s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:07:52.5 24.1 z Gunn 1 1 x 1 141106 Dome Z 18s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:11:11.2 18.1 z Gunn 1 1 x 1 141110 Dome Z 12s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:14:23.8 12.1 z Gunn 1 1 x 1 141114 Dome Z 10s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:17:31.7 10.1 z Gunn 1 1 x 1 141118 Dome Z 6s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:20:37.5 6.1 z Gunn 1 1 x 1 141122 Dome Z 4s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:23:38.2 4.1 z Gunn 1 1 x 1 141126 Dome Z 3s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:26:37.5 3.1 z Gunn 1 1 x 1 141130 Dome Z 2s 0:00:00.00 +00:00:00.0 J2000.00 1.056 179.8 16:29:36.4 2.1 z Gunn 1 1 x 1 141138 Dome 48s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 16:43:57.2 48.0 z Gunn 1 1 x 1 141142 Dome 40s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 16:47:39.7 40.1 z Gunn 1 1 x 1 141146 Dome 32s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 16:51:15.0 32.1 z Gunn 1 1 x 1 141150 Dome 24s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 16:54:41.5 24.1 z Gunn 1 1 x 1 141154 Dome 18s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 16:58:00.6 17.6 z Gunn 1 1 x 1 141158 Dome 12s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:01:13.4 12.1 z Gunn 1 1 x 1 141162 Dome 10s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:04:19.5 9.7 z Gunn 1 1 x 1 141166 Dome 8s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:07:24.5 8.1 z Gunn 1 1 x 1 141170 Dome 6s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:10:26.8 6.0 z Gunn 1 1 x 1 141174 Dome 4s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:13:27.6 4.1 z Gunn 1 1 x 1 141178 Dome 3s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:16:28.0 3.1 z Gunn 1 1 x 1 141182 Dome 2s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:19:26.1 2.1 z Gunn 1 1 x 1 141186 Dome 1s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 17:22:22.7 1.1 z Gunn 1 1 x 1 141190 Dome 48s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:21:43.6 47.6 I INT-WFC 1 1 x 1 141194 Dome 40s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:25:25.9 40.1 I INT-WFC 1 1 x 1 141198 Dome 32s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:29:02.4 32.1 I INT-WFC 1 1 x 1 141202 Dome 24s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:32:28.8 24.1 I INT-WFC 1 1 x 1 141214 Dome 10s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:36:01.8 10.1 I INT-WFC 1 1 x 1 141218 Dome 8s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:39:07.1 8.3 I INT-WFC 1 1 x 1 141222 Dome 6s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:42:09.7 6.1 I INT-WFC 1 1 x 1 141226 Dome 4s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:45:11.4 4.1 I INT-WFC 1 1 x 1 141230 Dome 3s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:48:09.9 2.6 I INT-WFC 1 1 x 1 141238 Dome 1s 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 18:51:14.4 1.1 I INT-WFC 1 1 x 1 141242 Bias frame 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 20:18:01.8 0.0 I INT-WFC 1 1 x 1 141246 Bias frame 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 20:20:54.3 0.0 I INT-WFC 1 1 x 1 141250 Bias frame 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 20:23:47.4 0.0 I INT-WFC 1 1 x 1 141254 Bias frame 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 20:26:40.6 0.0 I INT-WFC 1 1 x 1 141258 Bias frame 0:00:00.00 +00:00:00.0 J2000.00 1.477 179.8 20:29:33.0 0.0 I INT-WFC 1 1 x 1 141262 Dome 48s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:09:17.8 48.1 V Harris 1 1 x 1 141266 Dome 40s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:13:00.2 40.1 V Harris 1 1 x 1 141270 Dome 32s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:16:35.0 32.1 V Harris 1 1 x 1 141274 Dome 24s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:20:01.7 23.6 V Harris 1 1 x 1 141278 Dome 18s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:23:20.4 18.1 V Harris 1 1 x 1 141282 Dome 12s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:26:33.8 12.1 V Harris 1 1 x 1 141286 Dome 10s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:29:40.6 9.1 V Harris 1 1 x 1 141290 Dome 8s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:32:45.4 8.1 V Harris 1 1 x 1 141294 Dome 6s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:35:48.6 5.6 V Harris 1 1 x 1 141298 Dome 4s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:38:50.9 4.1 V Harris 1 1 x 1 141302 Dome 3s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:41:49.0 3.1 V Harris 1 1 x 1 141306 Dome 2s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:44:47.3 2.1 V Harris 1 1 x 1 141310 Dome 1s 0:00:00.00 +00:00:00.0 A 1.780 179.8 21:47:44.4 1.1 V Harris 1 1 x 1