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
run024   Hen 2-428   21/05/2015   04:21:26 05:23:51 1091 data 2-WIN 3001.0 3435.9 u' g' r' 4 356 x 380 111, 533 61 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run024   Science. Claimed DD central star. Seeing flaring to 3.0". Not sure how much use these data will be, but they are worth a bit of effort. Killed by twilight.
run023   Hen 2-428   21/05/2015   04:20:12 04:21:15 20 data caution 2-WIN 3001.0 3329.0 u' g' r' 4 356 x 380 111, 533 61 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run023   Acquisition - trying a short exposure time.
run022   Hen 2-428   21/05/2015   04:17:11 04:19:46 20 data caution 2-WIN 8000.0 8170.8 u' g' r' 4 356 x 380 111, 533 61 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run022   Acquisition
run021   HU Aqr   21/05/2015   03:56:09 04:14:47 559 data 4-WIN 1730.0 2004.3 u' g' r' 2 180 x 260 171, 527 29 160 x 150 181, 559 389 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run021   Science. Started a bit late; failed to account for O-C? Egress good. Seeing 2 to 3.5"
run020   HU Aqr   21/05/2015   03:52:47 03:55:39 87 data caution 4-WIN 1730.0 1999.3 u' g' r' 2 180 x 260 171, 527 29 160 x 150 181, 559 389 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run020   Acquisition.
run019   SDSS J161145.89+010327.8   21/05/2015   02:29:33 03:47:58 472 data 2-WIN-CLR 9206.0 9990.3 u' g' r' 3 512 x 490 1, 513 1 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run019   Science. Seeing getting worse. Around 2.2"
run018   SDSS J161145.89+010327.8   21/05/2015   02:27:52 02:29:21 10 data caution 2-WIN-CLR 9206.0 9929.8 u' g' r' 3 512 x 490 1, 513 1 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run018   Acquisition.
run017   SDSS J145611.68+592138.3   21/05/2015   00:22:33 02:24:52 735 data 2-WIN-CLR 9206.0 9998.4 u' g' r' 2 512 x 490 1, 513 1 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run017   Science. WD+dM. Looks like pulsations in g. Seeing 1.6 to 1.8". Clouds have thinned a bit.
run016   SDSS J145611.68+592138.3   21/05/2015   00:13:37 00:22:07 52 data caution 2-WIN-CLR 9206.0 9996.9 u' g' r' 2 512 x 490 1, 513 1 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run016   Acquisition. Switched i filter to r filter. Other filters: u and g unchanged.
run015   WD 1233+026   20/05/2015   22:52:58 00:04:50 432 data FFCLR 8416.0 10005.1 u' g' i' 2 1024 x 1024 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run015   Science. Potential pulsator in upcoming K2 field. Thin waves of cloud rolling by.
run014   WD 1233+026   20/05/2015   22:50:00 22:52:42 18 data caution FFCLR 8416.0 9522.0 u' g' i' 2 1024 x 1024 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run014   Acquisition.
run013   SDSS J102102.25+174439.9   20/05/2015   21:11:18 22:48:15 1160 data caution 4-WIN 4447.0 5019.1 u' g' i' 4 360 x 350 1, 659 21 260 x 210 99, 513 549 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run013   Science. Going to try covering dips. Seeing 1.7", but flary, thin cloud everywhere. Dark time and binning should help, but its not great, and dips are weak.
run012   SDSS J102102.25+174439.9   20/05/2015   21:04:31 21:09:56 32 data caution 4-WIN 10000.0 10482.6 u' g' i' 1 360 x 350 1, 659 21 260 x 210 99, 513 549 2 x 2 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run012   Acqusition run. Moved, started in eclipse.
run011   Feige 34   20/05/2015   20:42:44 21:01:30 335 data 2-WIN-CLR 500.0 3372.4 u' g' i' 1 512 x 500 1, 513 251 1 x 1 CDD 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run011   Flux standard and focus run. 97.85 focus setting. Seeing flaring from 1.5 - 3.0.
run010   Twilight   20/05/2015   20:20:24 20:40:07 241 technical FFNOC 2000.0 4929.1 u' g' i' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 1100 W/2015A/21 Marsh trm,djab,rpa 100222   run010   Twilight flats. Telescope spiralling. RA 09 13, Dec +46 13, blank field CAblank2. Good flat.
run009   Twilight   20/05/2015   20:18:51 20:18:58 3 technical FFCLR 500.0 3486.0 u' g' i' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 -99 W/2015A/21 Marsh trm,djab,rpa 100222   run009   JUNK. Flats test. Windy 60kmph from ENE. Cirrus around.
run008   Bias   20/05/2015   16:30:48 16:34:12 101 bias 4-WIN .5 2039.7 u' g' i' 1 360 x 350 1, 660 21 260 x 210 100, 513 550 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run008   Bias for run017 from last night. SDSS1021.
run007   Bias   20/05/2015   16:20:09 16:21:39 101 bias FFCLR .5 893.4 u' g' i' 1 1024 x 1024 2 x 2 FBB 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run007   Fast 2x2 bias. R/O noise 3.4 - 4.5
run006   Bias   20/05/2015   16:14:12 16:16:52 101 bias FFCLR .5 1601.4 u' g' i' 1 1024 x 1024 2 x 2 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run006   Slow 2x2 bias. R/O noise 2.6 - 3.1
run005   Bias   20/05/2015   16:08:09 16:13:08 101 bias FFCLR .5 2986.5 u' g' i' 1 1024 x 1024 1 x 1 FBB 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run005   Fast 1x1 bias. R/O noise 3.2 - 4.4
run004   Bias   20/05/2015   15:46:57 15:56:38 101 bias FFCLR .5 5807.7 u' g' i' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 Calib Calib trm,djab,rpa 100222   run004   Slow 1x1 bias. Dome lights off, small amount of daylight leaking in through the dome. Focal plane slide in. Compmirror in. R/O noise 2.4 - 2.9
run003   Bias   20/05/2015   15:39:45 15:40:08 5 technical FFCLR .5 5807.7 u' g' i' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 W/2015A/21 Marsh trm,djab,rpa 100222   run003   Test bias after fiddling with cables. Hardly any difference.
run002   Bias   20/05/2015   15:19:44 15:20:08 5 technical FFCLR .5 5807.7 u' g' i' 1 1024 x 1024 1 x 1 CDD 8C0000 -40,-40,-40 -99 W/2015A/21 Marsh trm,djab,rpa 100222   run002   Test bias. Readout noise on blue +0.2 over historical average.
run001       POWON   run001   Afternoon looks poor. Murky with dust and a 5/8 cirrus. Filter z changed to i. Left the others as u and g.