ultracam observing log      William Herschel Telescope
file object date  utc start   utc end    num     flag     mode     exp     cycle     filter   nblue   size1     x1l, x1r     y1s     size2     x2l, x2r     y2s     size3     x3l, x3r     y3s     bin     gain   vclock  temps  slide  id pi observers  revision   file   comments
run029   Dark   23/05/2015   05:20:17 05:29:14 22 dark FFNOC 20001.0 25572.8 u' g' r' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run029   Dark frames. Dome open (early twilight) lookout for increasing background. Focal plane mask in. Compmirror in.
run028   BD+35 3659   23/05/2015   05:15:29 05:17:28 40 data 2-WIN-CLR 200.0 3068.7 u' g' r' 1 512 x 500 1, 513 251 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run028   Flux standard. End of night. Clear throughout. Seeing 1.0 to 2.0"
run027   SDSS J171233.38+434017.4   23/05/2015   03:56:51 05:08:03 312 data FFNOC 8001.0 13735.8 u' g' r' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run027   Science, Another possible pulsator. Seeing 1.2". Yet more hopes dashed as it flat-lines its way to oblivion.
run026   SDSS J171233.38+434017.4   23/05/2015   03:54:47 03:56:07 13 data caution FFNOC 1000.0 6675.1 u' g' r' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run026   Acquisition. Changed the z' filter to r'. u' and g' unchanged.
run025   KIC 12557548   22/05/2015   23:42:12 03:49:47 1618 data FFNOC 3430.0 9186.3 u' g' z' 6 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/10 Haswell trm,djab,rpa 100222   run025   Science. Seeing at 1.3". Photometric. Guiding in z'-band to keep the fringing effects constant. Definite dip observed!
run024   KIC 12557548   22/05/2015   23:35:28 23:41:19 62 data caution FFNOC .5 5758.9 u' g' z' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/10 Haswell trm,djab,rpa 100222   run024   Acquisition. Changed filter from r' to z' prior to this run.
run023   SDSS J131058.93+355532.63   22/05/2015   22:06:11 23:29:55 337 data FFNOC 9220.0 14953.1 u' g' r' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run023   Science. Fiddled with the focus quite a lot at the beginning. Light curve looks pretty flat.
run022   SDSS J131058.93+355532.63   22/05/2015   22:02:30 22:04:42 24 data caution FFNOC .5 5758.9 u' g' r' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run022   Acquisition.
run021   LB 567   22/05/2015   21:01:42 21:58:00 839 data 6-WIN 1473.0 4031.4 u' g' r' 3 270 x 280 59, 750 3 380 x 257 130, 620 411 200 x 260 50, 600 671 1 x 1 CDD -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run021   Science. Elme's WD+dM/BD with reflection. Looking for possible eclipse. Seeing 1.6" flaring to 3.0" at times.
run020   LB 567   22/05/2015   20:55:02 21:01:12 122 data caution 6-WIN 500.0 3055.3 u' g' r' 3 270 x 280 59, 750 3 380 x 257 130, 620 411 200 x 260 50, 600 671 1 x 1 CDD -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run020   Acqusition. Changed position a lot. Switched z filter to r filter. u and g filters remain unchanged.
run019   Feige 34   22/05/2015   20:43:34 20:50:01 116 data 2-WIN-CLR 500.0 3369.5 u' g' z' 1 512 x 500 1, 513 251 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run019   Flux standard. Out of focus at the start.
run018   Flat   22/05/2015   20:33:39 20:42:15 113 flat FFNOC 1681.0 4603.4 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 Calib Calib trm,djab,rpa 100222   run018   Telescope spiralling. Returned to same blank field to boost g' and z'.
run017   Flat   22/05/2015   20:20:16 20:32:45 256 flat FFNOC .5 2937.9 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 Calib Calib trm,djab,rpa 100222   run017   Telescope spiralling. Good flat at the start. Ignore frames > 226 because telescope slewed off to flux standard (TO error)
run016   Twilight   22/05/2015   20:19:16 20:19:28 5 technical FFNOC .5 2938.0 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run016   JUNK. Checking flat exposure times.
run015   Twilight   22/05/2015   20:14:51 20:15:02 5 technical FFNOC .5 2938.0 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run015   JUNK. Checking flat exposure times.
run014   Twilight   22/05/2015   20:13:45 20:13:57 5 technical FFNOC .5 2938.0 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run014   JUNK. Checking flat exposure times.
run013   Twilight   22/05/2015   20:12:05 20:12:17 5 technical FFNOC .5 2937.7 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run013   JUNK. Checking flat exposure times.
run012   Dark   22/05/2015   19:13:57 19:26:45 52 dark FFNOC 9301.0 15059.5 u' g' z' 3 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run012   Dark frames for comparison with the ones taken at the end of last night. Comp mirror in. Focal mask in. Dome closed.
run011   Bias   22/05/2015   15:47:48 15:52:36 101 bias 2-WIN-CLR .5 2874.4 u' g' z' 1 512 x 500 1, 513 251 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run011   Bias for Feige 34 from last night.
run010   Bias   22/05/2015   15:43:43 15:47:40 101 bias 2-WIN-CLR .5 2372.9 u' g' z' 1 470 x 446 43, 555 1 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run010   Bias for NN Ser from last night.
run009   Bias   22/05/2015   15:37:38 15:42:31 101 bias 2-WIN-CLR .5 2935.1 u' g' z' 1 512 x 512 1, 513 1 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run009   Bias for PB 4166 from last night.
run008   Bias   22/05/2015   15:31:40 15:33:09 101 bias FFCLR .5 893.4 u' g' z' 1 1024 x 1024 2 x 2 FBB 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run008   Fast 2x2 bias. R/O noise 3.0 - 4.6
run007   Bias   22/05/2015   15:26:56 15:29:36 101 bias FFCLR .5 1601.4 u' g' z' 1 1024 x 1024 2 x 2 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run007   Slow 2x2 bias. R/O noise 2.4 - 3.1
run006   Bias   22/05/2015   15:20:56 15:25:55 101 bias FFCLR .5 2986.5 u' g' z' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run006   Fast 1x1 bias. R/O noise 2.8 - 4.7
run005   Bias   22/05/2015   15:10:42 15:20:22 101 bias FFCLR .5 5807.7 u' g' z' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run005   Slow 1x1 bias. Dome lights off, no obvious daylight leakage. Focal plane slide in. R/O noise 2.3 - 2.9
run004   Bias   22/05/2015   15:08:15 15:08:44 6 bias FFCLR .5 5807.6 u' g' z' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run004   JUNK. Aborted because dome lights were still on.
run003   Bias   22/05/2015   15:01:29 15:01:52 5 technical FFCLR .5 5807.5 u' g' z' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run003   Test bias. Means look better.
run002   Bias   22/05/2015   14:54:32 14:54:55 5 technical FFCLR .5 5807.7 u' g' z' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run002   Test bias. CCD 1 looked low . Mean of 630 counts. Others looked reasonably ok. Trying again.
run001       POWON   run001   Afternoon looks good. Small amount of dust around, no visible cirrus. Changed r filter to z. Other filters left as u and g.