INT OBSERVING LOG (ISAAC NEWTON GROUP, LA PALMA) TELESCOPE: INT DATE: 20010218 TAPE NR: OBSERVER: S. Hodgkin, P. Tzanavaris PROGRAMME: Wide Angle Survey PATT/CAT REF.: WFS9 TELESCOPE OPERATOR: none SUPPORT ASTRONOMER: none TELESCOPE FOCUS: 46.20 mm CALIBRATE RESULTS: not specified INSTRUMENT: WFC WFC FILTER WHEEL: U,g,r,i,Z,KPB WEATHER: (1st half) good (2nd half) good CLOUD COVER (%): (1st half) 0 (2nd half) 0 DUST (0-2): (1st half) 0 (2nd half) 0 SEEING (arcsec): (1st half) 1.7-1.4 (2nd half) 1.4-1.0 DOME OPENED (UT): 18:30 METEOROLOGICAL PARAMETERS LT AirT Hum% Wspd Gust Wdir Press LocT IntT Mirr LocRH IntRH 20:00 4.6 5 17.0 23.4 37 770.0 5.0 8.3 10.6 4 7 21:00 4.7 4 16.5 18.1 43 770.5 5.2 6.6 10.2 3 4 22:00 5.3 4 20.6 21.3 43 770.7 5.6 6.7 9.6 3 5 23:00 5.3 3 18.7 21.0 27 770.7 5.7 7.3 9.1 2 5 00:00 6.8 2 8.8 11.9 26 770.6 6.6 7.4 8.9 2 4 01:00 6.2 3 7.6 8.5 62 770.5 6.4 6.8 8.4 2 3 02:00 6.3 3 4.7 5.7 47 770.5 6.7 7.0 8.3 2 4 03:00 6.3 3 4.4 5.1 2 770.0 6.7 6.8 7.9 1 3 04:00 6.5 3 8.3 8.5 258 769.6 6.5 7.5 8.6 2 7 05:00 5.8 3 17.3 17.8 280 769.4 6.4 6.5 8.5 2 4 06:00 6.0 3 3.6 4.4 273 769.5 6.5 7.4 8.4 2 6 07:00 6.0 3 2.5 2.9 216 769.5 6.3 6.9 8.6 2 6 SUNSET(UT) 19:11 EVENING TWILIGHT(UT) 20:23 MORNING TWILIGHT(UT) 06:28 SUNRISE(UT) 07:39 MOON'S QUARTER (1-4) 4 DISK % OF ILLUM. 16 DARK TIME 10:05 TWILIGHT TIME 02:23 MOONRISE(UT) 05:08 MOONSET(UT) No moonset within sunset-sunrise TIME LOST(WEATHER): 00:00 TIME LOST(TECHNICAL): 00:00 TIME LOST(OTHER): 00:00 COMMENTS: Cirrus on horizon at start of night. Run no. Object name RA Dec. Equinox AM PA UT Exp. T. Filter Psys Channel Binning Comments 249539 test bias 22:34:12.00 +45:35:25.1 J2000.00 1.052 180.0 14:25:51.0 0.0 U RGO 1 x 1 249540 test flat 22:34:12.00 +45:35:24.9 J2000.00 1.053 180.0 14:27:40.9 6.1 U RGO 1 x 1 249541 Bias 0:00:00.00 +00:00:00.0 J2000.00 4.282 180.0 18:39:09.0 0.0 U RGO 1 x 1 249542 Bias 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:50:11.1 0.0 U RGO 1 x 1 249543 Bias 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:50:50.3 0.0 U RGO 1 x 1 249544 Bias 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:51:29.5 0.0 U RGO 1 x 1 249545 Bias 0:00:00.00 +00:00:00.0 J2000.00 1.000 180.0 18:52:08.5 0.0 U RGO 1 x 1 249546 Flat field 2:58:00.00 -00:06:00.0 J2000.00 1.179 180.0 19:12:41.6 2.1 U RGO 1 x 1 249547 Flat field 2:58:01.99 -00:05:29.9 J2000.00 1.187 180.0 19:17:55.3 2.1 U RGO 1 x 1 249548 Flat field 2:57:58.00 -00:06:30.0 J2000.00 1.189 180.0 19:19:21.3 2.1 U RGO 1 x 1 249549 Flat field 2:58:00.00 -00:05:29.9 J2000.00 1.191 180.0 19:20:57.8 4.1 U RGO 1 x 1 249550 Flat field 2:58:00.00 -00:06:30.0 J2000.00 1.194 180.0 19:22:16.6 4.1 U RGO 1 x 1 249551 Flat field 2:57:57.99 -00:05:59.9 J2000.00 1.196 180.0 19:23:49.8 5.1 U RGO 1 x 1 249552 Flat field 2:57:59.99 -00:06:00.0 J2000.00 1.199 180.0 19:25:19.2 2.1 z Gunn 1 x 1 249553 Flat field 2:58:01.99 -00:05:30.0 J2000.00 1.201 180.0 19:26:51.4 12.1 z Gunn 1 x 1 249554 Flat field 2:57:58.00 -00:06:29.9 J2000.00 1.204 180.0 19:28:30.2 21.6 z Gunn 1 x 1 249555 Flat field 2:57:59.99 -00:05:59.9 J2000.00 1.211 180.0 19:31:53.0 51.1 z Gunn 1 x 1 249556 Flat field 2:58:00.00 -00:06:00.0 J2000.00 1.215 180.0 19:34:10.2 7.2 g Sloan 1 x 1 249557 Flat field 2:58:02.00 -00:05:30.0 J2000.00 1.217 180.0 19:35:42.1 10.8 g Sloan 1 x 1 249558 Flat field 2:57:58.00 -00:06:30.0 J2000.00 1.221 180.0 19:37:16.9 16.7 g Sloan 1 x 1 249559 Flat field 2:58:00.00 -00:06:00.0 J2000.00 1.226 180.0 19:39:13.7 71.5 r Sloan 1 x 1 249560 Flat field 2:58:01.99 -00:05:29.9 J2000.00 1.232 180.0 19:41:48.6 134.4 r Sloan 1 x 1 249561 Flat field 2:58:00.00 -00:06:00.0 J2000.00 1.244 180.0 19:45:37.7 286.9 i Sloan 1 x 1 249562 Focus run 3:54:30.99 +00:31:05.3 J2000.00 1.161 180.0 20:00:39.9 10.1 i Sloan 1 x 1 249563 sa95-330 g 3:54:31.00 +00:29:05.0 J2000.00 1.167 180.0 20:04:29.6 9.6 g Sloan 1 x 1 249564 sa95-330 r 3:54:31.00 +00:29:04.9 J2000.00 1.169 180.0 20:05:42.6 10.2 r Sloan 1 x 1 249565 sa95-330 i 3:54:30.99 +00:29:04.9 J2000.00 1.170 180.0 20:06:51.9 10.1 i Sloan 1 x 1 249566 sa95-330 Z 3:54:31.00 +00:29:04.9 J2000.00 1.172 180.0 20:07:60.1 20.1 z Gunn 1 x 1 249567 sa95-330 U 3:54:31.00 +00:29:05.0 J2000.00 1.174 180.0 20:09:23.7 60.1 U RGO 1 x 1 249568 sa98-670 g 6:52:12.00 -00:19:17.0 J2000.00 1.306 180.0 20:12:53.3 10.1 g Sloan 1 x 1 249569 sa98-670 r 6:52:12.00 -00:19:17.0 J2000.00 1.303 180.0 20:14:00.2 10.1 r Sloan 1 x 1 249570 sa98-670 i 6:52:12.00 -00:19:16.9 J2000.00 1.299 180.0 20:15:07.4 10.1 i Sloan 1 x 1 249571 sa98-670 Z 6:52:11.99 -00:19:16.9 J2000.00 1.295 180.0 20:16:33.6 19.6 z Gunn 1 x 1 249572 sa98-670 U 6:52:12.00 -00:19:17.0 J2000.00 1.289 180.0 20:17:56.9 60.1 U RGO 1 x 1 249573 wfsj0801+4019_025 8:00:22.50 +40:59:00.1 J2000.00 1.241 180.0 20:22:27.6 599.4 r Sloan 1 x 1 249574 wfsj0801+4019_025 8:00:22.50 +40:58:59.9 J2000.00 1.210 180.0 20:33:33.4 599.5 g Sloan 1 x 1 249575 wfsj0801+4019_025 8:00:22.50 +40:59:00.0 J2000.00 1.182 180.0 20:44:37.0 599.4 i Sloan 1 x 1 249576 wfsj0801+4019_025 8:00:22.50 +40:59:00.0 J2000.00 1.156 180.0 20:55:38.6 599.5 z Gunn 1 x 1 249577 wfsj0801+4019_026 8:00:22.10 +41:19:00.1 J2000.00 1.131 180.0 21:08:46.5 598.9 r Sloan 1 x 1 249578 wfsj0801+4019_026 8:00:22.09 +41:18:59.9 J2000.00 1.111 180.0 21:19:48.4 599.4 g Sloan 1 x 1 249579 wfsj0801+4019_026 8:00:22.10 +41:18:59.9 J2000.00 1.094 180.0 21:30:48.8 599.6 i Sloan 1 x 1 249580 wfsj0801+4019_026 8:00:22.10 +41:19:00.0 J2000.00 1.079 180.0 21:41:50.3 599.5 z Gunn 1 x 1 249581 WFSJ0801+4019_026 8:00:22.10 +41:19:00.0 J2000.00 1.064 180.0 21:54:28.0 599.4 U RGO 1 x 1 249582 WFSJ0801+4019_025 8:00:22.49 +40:58:59.9 J2000.00 1.051 180.0 22:06:48.0 599.6 U RGO 1 x 1 249583 LB227 4:09:39.49 +17:09:55.1 J2000.00 1.392 180.0 22:21:33.4 1198.7 U RGO 1 x 1 249584 0738+313 7:41:22.27 +31:14:00.4 J2000.00 1.001 180.0 22:48:30.3 1198.8 U RGO 1 x 1 249585 U_GEM 7:55:16.60 +22:02:04.8 J2000.00 1.008 180.0 23:12:31.7 1198.8 U RGO 1 x 1 249586 wfsj0801+4019_027 8:00:21.69 +41:39:00.0 J2000.00 1.031 180.0 23:38:14.3 599.3 r Sloan 1 x 1 249587 wfsj0801+4019_027 8:00:21.70 +41:39:00.2 J2000.00 1.036 180.0 23:49:14.9 599.5 g Sloan 1 x 1 249588 wfsj0801+4019_027 8:00:21.70 +41:39:00.0 J2000.00 1.042 180.0 00:00:16.3 599.4 i Sloan 1 x 1 249589 wfsj0801+4019_027 8:00:21.70 +41:39:00.0 J2000.00 1.050 180.0 00:11:16.9 599.5 z Gunn 1 x 1 249590 wfsj0801+4019_028 8:02:59.20 +38:58:59.9 J2000.00 1.052 180.0 00:25:42.4 599.4 r Sloan 1 x 1 249591 wfsj0801+4019_028 8:02:59.20 +38:59:00.0 J2000.00 1.064 180.0 00:36:42.6 599.0 i Sloan 1 x 1 249592 wfsj0801+4019_028 8:02:59.19 +38:59:00.0 J2000.00 1.078 180.0 00:47:43.6 599.5 z Gunn 1 x 1 249593 WFSJ0801+4019_028 8:02:59.20 +38:59:00.0 J2000.00 1.095 180.0 00:58:57.4 599.2 g Sloan 1 x 1 249594 sa101-427 g 9:57:26.00 -00:17:16.0 J2000.00 1.144 180.0 01:11:33.8 10.1 g Sloan 1 x 1 249595 sa101-427 r 9:57:26.00 -00:17:16.0 J2000.00 1.144 180.0 01:12:40.8 10.1 r Sloan 1 x 1 249596 sa101-427 i 9:57:26.00 -00:17:16.0 J2000.00 1.144 180.0 01:13:52.1 10.1 i Sloan 1 x 1 249597 sa101-427 Z 9:57:26.00 -00:17:16.0 J2000.00 1.144 180.0 01:14:59.1 20.1 z Gunn 1 x 1 249598 sa101-427 U 9:57:26.00 -00:17:16.1 J2000.00 1.144 180.0 01:16:17.9 60.1 U RGO 1 x 1 249599 sa104-334 g 12:42:21.00 -00:40:28.0 J2000.00 1.492 180.0 01:19:04.3 10.1 g Sloan 1 x 1 249600 sa104-334 r 12:42:21.00 -00:40:27.9 J2000.00 1.486 180.0 01:20:15.0 10.1 r Sloan 1 x 1 249601 sa104-334 i 12:42:21.00 -00:40:28.0 J2000.00 1.480 180.0 01:21:22.2 10.1 i Sloan 1 x 1 249602 sa104-334 Z 12:42:20.99 -00:40:28.0 J2000.00 1.473 180.0 01:22:29.9 20.1 z Gunn 1 x 1 249603 sa104-334 U 12:42:21.00 -00:40:27.9 J2000.00 1.465 180.0 01:23:47.6 60.1 U RGO 1 x 1 249604 sn1999gi 10:18:16.65 +41:26:28.2 J2000.00 1.025 180.0 01:30:30.3 299.8 r Sloan 1 x 1 249605 sn1999gi 10:18:16.66 +41:26:28.1 J2000.00 1.025 180.0 01:36:43.9 299.8 g Sloan 1 x 1 249606 sn1999gi 10:18:16.66 +41:26:28.1 J2000.00 1.026 180.0 01:42:51.8 299.8 i Sloan 1 x 1 249607 wfsj0801+4019_029 8:02:59.59 +39:18:59.9 J2000.00 1.208 180.0 01:51:28.0 599.4 r Sloan 1 x 1 249608 wfsj0801+4019_029 8:02:59.59 +39:18:59.9 J2000.00 1.240 180.0 02:02:30.0 599.4 g Sloan 1 x 1 249609 wfsj0801+4019_029 8:02:59.60 +39:19:00.0 J2000.00 1.275 180.0 02:13:31.3 599.5 i Sloan 1 x 1 249610 wfsj0801+4019_029 8:02:59.60 +39:19:00.0 J2000.00 1.315 180.0 02:24:32.0 599.5 z Gunn 1 x 1 249612 WFSJ0801+4019_030 8:02:59.90 +39:38:59.9 J2000.00 1.375 180.0 02:39:22.7 599.0 r Sloan 1 x 1 249613 WFSJ0801+4019_030 8:02:59.90 +39:38:59.9 J2000.00 1.428 180.0 02:50:52.5 599.5 g Sloan 1 x 1 249614 WFSJ0801+4019_030 8:02:59.89 +39:39:00.0 J2000.00 1.487 180.0 03:02:10.3 599.5 i Sloan 1 x 1 249615 WFSJ0801+4019_030 8:02:59.90 +39:38:59.9 J2000.00 1.552 180.0 03:13:27.3 599.4 z Gunn 1 x 1 249616 WFSNGC091 13:00:06.99 -00:00:00.2 J2000.00 1.158 180.0 03:29:52.8 599.4 i Sloan 1 x 1 249618 wfsngc092 13:02:00.00 -00:00:00.0 J2000.00 1.147 180.0 03:47:17.3 599.4 i Sloan 1 x 1 249619 wfsngc092 13:02:00.00 -00:00:00.0 J2000.00 1.143 180.0 03:58:18.3 599.5 z Gunn 1 x 1 249620 wfsngc093 13:04:00.00 +00:00:00.0 J2000.00 1.141 180.0 04:12:38.8 599.6 i Sloan 1 x 1 249621 wfsngc093 13:04:00.00 -00:00:00.0 J2000.00 1.142 180.0 04:23:38.6 598.9 z Gunn 1 x 1 249622 wfsngc094 13:05:59.99 -00:00:00.0 J2000.00 1.146 180.0 04:38:31.3 599.5 i Sloan 1 x 1 249623 wfsngc094 13:06:00.00 -00:00:00.0 J2000.00 1.153 180.0 04:49:31.3 599.4 z Gunn 1 x 1 249624 sa57 g 13:08:36.00 +29:23:06.0 J2000.00 1.011 180.0 05:01:54.3 10.1 g Sloan 1 x 1 249625 sa57 r 13:08:36.00 +29:23:06.0 J2000.00 1.012 180.0 05:03:02.1 10.1 r Sloan 1 x 1 249626 sa57 i 13:08:36.00 +29:23:06.0 J2000.00 1.012 180.0 05:04:08.6 9.6 i Sloan 1 x 1 249627 sa57 Z 13:08:36.00 +29:23:05.9 J2000.00 1.013 180.0 05:05:16.2 20.1 z Gunn 1 x 1 249628 sa57 U 13:08:36.00 +29:23:05.9 J2000.00 1.014 180.0 05:06:33.4 60.0 U RGO 1 x 1 249629 wfsngc095 13:07:59.99 -00:00:00.1 J2000.00 1.176 180.0 05:14:15.9 599.4 i Sloan 1 x 1 249631 WFSNGC095 13:08:00.00 -00:00:00.0 J2000.00 1.199 180.0 05:29:19.1 599.4 z Gunn 1 x 1 249632 WFSNGC095 13:07:59.99 +00:00:00.0 J2000.00 1.220 180.0 05:40:59.8 599.5 U RGO 1 x 1 249633 NGC5907 15:16:00.00 +56:20:00.1 J2000.00 1.132 180.0 05:56:23.4 899.0 i Sloan 1 x 1 249634 NGC5907 15:16:00.00 +56:20:00.0 J2000.00 1.128 180.0 06:13:29.8 899.1 g Sloan 1 x 1 249635 NGC5907 15:16:00.00 +56:20:00.1 J2000.00 1.128 180.0 06:29:37.4 799.3 r Sloan 1 x 1 249636 sa107-602 g 15:39:18.99 -00:15:29.0 J2000.00 1.144 180.0 06:45:57.4 10.1 g Sloan 1 x 1 249637 sa107-602 r 15:39:18.99 -00:15:28.9 J2000.00 1.144 180.0 06:47:05.2 10.1 r Sloan 1 x 1 249638 sa107-602 i 15:39:19.00 -00:15:28.9 J2000.00 1.144 180.0 06:48:12.5 10.1 i Sloan 1 x 1 249639 sa107-602 Z 15:39:19.00 -00:15:29.0 J2000.00 1.143 180.0 06:49:21.9 20.1 z Gunn 1 x 1 249640 sa107-602 U 15:39:18.99 -00:15:29.0 J2000.00 1.143 180.0 06:50:39.9 60.1 U RGO 1 x 1 249641 Flat field 15:02:00.00 +29:54:59.9 J2000.00 1.021 180.0 07:08:47.5 120.0 i Sloan 1 1 x 1 249642 Flat field 15:02:02.30 +29:55:29.8 J2000.00 1.024 180.0 07:12:30.0 60.0 i Sloan 1 1 x 1 249643 Flat field 15:01:57.69 +29:54:29.9 J2000.00 1.026 180.0 07:14:44.2 35.0 i Sloan 1 1 x 1 249644 Flat field 15:02:00.00 +29:54:59.9 J2000.00 1.027 180.0 07:16:35.9 30.1 r Sloan 1 1 x 1 249645 Flat field 15:02:02.30 +29:55:30.0 J2000.00 1.028 180.0 07:18:03.9 18.1 r Sloan 1 1 x 1 249646 Flat field 15:01:57.69 +29:54:30.0 J2000.00 1.030 180.0 07:19:17.9 10.1 r Sloan 1 1 x 1 249647 Flat field 15:02:00.00 +29:54:59.9 J2000.00 1.031 180.0 07:20:40.0 5.1 g Sloan 1 1 x 1 249648 Flat field 15:02:02.30 +29:55:30.0 J2000.00 1.032 180.0 07:21:46.2 2.1 g Sloan 1 1 x 1 249649 Flat field 15:01:57.69 +29:54:29.9 J2000.00 1.033 180.0 07:22:53.2 2.1 g Sloan 1 1 x 1 249650 Flat field 15:02:00.00 +29:54:59.9 J2000.00 1.035 180.0 07:24:20.0 10.1 z Gunn 1 1 x 1 249651 Flat field 15:02:02.30 +29:55:30.0 J2000.00 1.036 180.0 07:25:31.2 6.1 z Gunn 1 1 x 1 249652 Flat field 15:01:57.69 +29:54:29.9 J2000.00 1.038 180.0 07:27:17.8 3.1 z Gunn 1 1 x 1 249653 Flat field 15:02:00.00 +29:55:00.0 J2000.00 1.039 180.0 07:28:38.9 9.1 U RGO 1 1 x 1 249654 Flat field 15:02:02.30 +29:55:30.0 J2000.00 1.040 180.0 07:29:50.9 2.1 U RGO 1 1 x 1 249655 Flat field 15:01:57.69 +29:54:30.0 J2000.00 1.042 180.0 07:31:05.4 2.1 U RGO 1 1 x 1 249656 Flat field 15:02:00.00 +29:55:30.0 J2000.00 1.043 180.0 07:32:11.7 2.1 U RGO 1 1 x 1