INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20000430 TAPE NR: INTD4373 OBSERVER: X. Barcons PROGRAMME: AXIS PATT/CAT REF.: ITP3 TELESCOPE OPERATOR: J. Rey SUPPORT ASTRONOMER: P. Erwin TELESCOPE FOCUS: 45.90 mm CALIBRATE RESULTS: HI 26.46 +/- 4.06, DI -58.29 +/- 1.34, HC 55.31 +/- 2.94, Sky sigma 3.54 INSTRUMENT: WFC WFC FILTER WHEEL: U, g, B, i, Z, r 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) 1.7 (2nd half) 1.5 DOME OPENED (UT): 19:20 METEOROLOGICAL PARAMETERS UT AirT Hum% Wspd Gust Wdir Press LocT IntT Mirr LocRH IntRH 20:00 1.7 48 27.1 31.8 347 764.6 2.0 3.9 7.1 41 36 21:00 1.9 22 29.5 33.4 270 764.5 2.3 3.4 6.9 31 26 22:00 3.2 20 39.2 43.3 290 765.1 2.8 4.1 6.8 30 27 23:00 2.1 23 47.6 54.4 254 765.3 4.3 2.5 6.9 9 27 00:00 2.1 24 42.8 53.2 283 765.7 2.3 4.7 6.5 31 28 01:00 2.0 38 43.9 48.8 322 765.9 2.3 4.5 6.6 40 32 02:00 2.4 13 44.2 50.5 325 765.6 2.8 4.4 6.5 14 18 03:00 2.3 26 50.2 57.4 318 765.0 2.4 4.0 6.6 34 30 04:00 2.8 9 34.2 40.4 315 764.9 3.2 5.0 6.4 7 12 05:00 1.8 18 37.4 39.5 298 764.6 2.7 4.3 6.3 16 16 06:00 1.4 22 52.5 56.9 331 764.3 2.2 4.0 6.2 24 22 SUNSET(UT) 19:54 EVENING TWILIGHT(UT) 21:11 MORNING TWILIGHT(UT) 05:05 SUNRISE(UT) 06:23 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 7 DARK TIME 07:54 TWILIGHT TIME 02:35 MOONRISE(UT) 04:50 MOONSET(UT) No moonset within sunset-sunrise TIME LOST(WEATHER): 00:53 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 216579 Bias 0:00:00.00 +00:00:00.0 A 4.534 180.1 13:51:12.3 0.0 r Sloan 216580 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 19:18:03.3 0.0 z Gunn 216581 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 19:18:49.5 0.0 z Gunn 216582 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 19:19:38.2 0.0 z Gunn 216583 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 19:20:27.7 0.0 z Gunn 216584 Bias frame 0:00:00.00 +00:00:00.0 A 1.000 180.1 19:21:14.2 0.0 z Gunn 216586 Flat field 13:04:32.99 +29:50:48.9 B1950.00 1.474 180.1 20:03:17.4 1.1 U RGO 216588 Flat field 13:04:32.99 +29:50:48.9 B1950.00 1.438 180.1 20:09:24.7 11.8 U RGO 216589 Flat field 13:04:35.30 +29:51:19.0 B1950.00 1.429 180.1 20:11:10.2 17.9 U RGO 216590 Flat field 13:04:37.61 +29:51:48.9 B1950.00 1.419 180.1 20:12:51.4 27.6 U RGO 216591 Flat field 13:04:30.69 +29:50:19.0 B1950.00 1.409 180.1 20:14:36.3 43.8 U RGO 216592 Flat field 13:04:28.39 +29:49:49.0 B1950.00 1.397 180.1 20:16:36.8 72.2 U RGO 216593 Focus run 9:21:28.29 +02:48:34.0 J2000.00 1.154 180.1 21:01:10.7 10.1 r Sloan 216594 Focus run 9:21:28.30 +02:48:33.9 J2000.00 1.167 180.1 21:09:44.8 10.1 r Sloan 216595 Focus run 9:21:28.29 +02:48:34.0 J2000.00 1.338 180.1 22:15:28.9 10.1 i Sloan 216596 Focus run 9:21:28.30 +02:47:34.0 J2000.00 1.368 180.1 22:21:30.7 10.1 i Sloan 216597 Focus run 9:21:28.30 +02:47:34.0 J2000.00 1.394 180.1 22:27:27.6 10.1 i Sloan 216598 LOCKMAN 10:53:23.10 +57:32:57.2 J2000.00 1.181 180.1 22:40:02.4 1198.6 i Sloan 216599 LOCKMAN 10:53:23.10 +57:32:57.1 J2000.00 1.203 180.1 23:04:24.8 599.4 g Sloan 216600 LOCKMAN 10:53:23.10 +57:32:56.9 J2000.00 1.231 180.1 23:19:11.6 1198.8 z Gunn 216601 LOCKMAN 10:53:23.10 +57:32:57.0 J2000.00 1.262 180.1 23:42:24.9 599.2 r Sloan 216602 LOCKMAN 10:53:23.09 +57:32:56.9 J2000.00 1.289 180.1 23:56:13.5 599.4 U RGO 216603 104-334 12:42:20.50 -00:40:29.0 J2000.00 1.183 180.1 00:11:24.7 120.0 U RGO 216604 104-334 12:42:20.50 -00:40:28.9 J2000.00 1.186 180.1 00:14:41.9 30.1 r Sloan 216605 104-334 12:42:20.50 -00:40:29.0 J2000.00 1.189 180.1 00:17:05.5 30.1 z Gunn 216606 104-334 12:42:20.49 -00:40:28.9 J2000.00 1.194 180.1 00:20:32.7 30.1 g Sloan 216607 104-306 12:41:03.59 -00:37:13.0 J2000.00 1.204 180.1 00:25:41.0 30.1 i Sloan 216608 S12+00 11:50:41.73 +01:45:52.8 J2000.00 1.317 180.1 00:32:47.8 3.1 i Sloan 216609 S12+00 11:50:41.73 +01:45:52.8 J2000.00 1.332 180.1 00:36:58.2 3.1 i Sloan 216610 104-334 12:42:20.49 -00:40:28.9 J2000.00 1.243 180.1 00:46:49.7 30.1 i Sloan 216611 MRK205 12:23:08.90 +75:22:45.9 J2000.00 1.532 180.1 01:05:26.9 299.8 i Sloan 216612 A1795 13:49:19.29 +26:38:14.9 J2000.00 1.061 180.1 01:41:13.8 1198.9 i Sloan 216614 MRK205 12:23:08.90 +75:22:45.9 J2000.00 1.639 180.1 02:05:28.2 1198.8 i Sloan 216615 MRK205 12:23:08.89 +75:22:46.0 J2000.00 1.674 180.1 02:27:45.2 599.5 g Sloan 216616 MRK205 12:23:08.90 +75:22:45.9 J2000.00 1.711 180.1 02:38:49.4 1198.8 z Gunn 216617 MRK205 12:23:08.90 +75:22:46.0 J2000.00 1.753 180.1 03:00:23.9 599.5 r Sloan 216618 MRK205 12:23:08.89 +75:22:46.1 J2000.00 1.783 180.1 03:11:30.3 599.3 U RGO 216619 A1835 14:02:18.60 +02:59:53.2 J2000.00 1.544 180.1 03:25:12.7 1198.8 i Sloan 216620 A2199 16:28:53.69 +39:32:30.0 J2000.00 1.042 180.1 03:52:33.6 1198.3 i Sloan 216621 107-602 15:39:18.80 -00:15:30.0 J2000.00 1.327 180.1 04:15:09.5 29.6 i Sloan 216622 107-602 15:39:18.80 -00:15:30.0 J2000.00 1.334 180.1 04:16:57.7 30.1 g Sloan 216623 107-602 15:39:18.80 -00:15:30.0 J2000.00 1.348 180.1 04:20:53.7 30.1 z Gunn 216624 107-602 15:39:18.80 -00:15:30.0 J2000.00 1.354 180.1 04:22:38.6 30.1 r Sloan 216625 107-602 15:39:18.79 -00:15:29.9 J2000.00 1.363 180.1 04:24:14.0 120.0 U RGO 216626 RTSER 17:40:14.00 -11:52:33.1 J2000.00 1.327 180.1 04:29:51.9 1198.8 g Sloan Filter i Sloan 216627 RTSER 17:40:13.99 -11:52:32.9 J2000.00 1.342 180.1 04:50:59.5 599.4 g Sloan 216628 G21.5-09 18:33:54.89 -10:29:57.9 J2000.00 1.292 180.1 05:04:26.6 1198.8 i Sloan 216629 G21.5-09 18:33:54.90 -10:29:58.0 J2000.00 1.298 180.1 05:25:46.5 599.4 g Sloan 216630 Flat field 21:26:54.39 -08:51:40.9 B1950.00 1.500 180.1 05:55:48.6 116.6 z Gunn 216631 Flat field 21:26:56.42 -08:51:10.9 B1950.00 1.488 180.1 05:59:01.5 52.4 z Gunn 216632 Flat field 21:26:58.44 -08:50:41.0 B1950.00 1.480 180.1 06:01:11.6 30.1 z Gunn 216633 Flat field 21:26:52.37 -08:52:11.0 B1950.00 1.473 180.1 06:02:57.8 19.1 z Gunn 216634 Flat field 21:26:50.35 -08:52:41.0 B1950.00 1.467 180.1 06:04:32.9 12.1 z Gunn 216635 Flat field 19:19:09.00 +12:22:05.0 B1950.00 1.043 180.1 06:07:22.3 2.7 i Sloan 216636 Flat field 19:19:11.04 +12:22:35.0 B1950.00 1.043 180.1 06:09:07.5 3.1 g Sloan