ultracam observing log      Very Large Telescope, UT3 (Melipal)
file object date  utc start   utc end    num     mode     exp     cycle     filter     size1     x1l, x1r     y1s     size2     x2l, x2r     y2s     size3     x3l, x3r     y3s     bin     gain   vclock id pi observers   file   comments
run023   Sky flat   16/05/2005   10:38:50 10:51:03 103 FFCLR 1000.5 7613.4 u'g'r' 1024 x 1024 1 x 1 CDD 8C0000 Calib Calib sl,trm   run023  
run022   HU Aqr   16/05/2005   09:25:52 10:36:39 8503 DRIFT 301.5 502.1 u'g'r' 234 x 234 169, 617 5 2 x 2 CDD 8C0000 D349 Schwope sl,trm   run022   Must be cirrusy. Transmission variable by about 20%
run021   HU Aqr   16/05/2005   07:44:26 09:25:50 12181 DRIFT 301.5 496.7 u'g'r' 234 x 234 169, 617 5 2 x 2 CDD 8C0000 D349 Schwope sl,trm   run021   Possibly some clouds creeping in 20 mins into this run
run020   HU Aqr   16/05/2005   06:03:14 07:44:22 12150 DRIFT 301.5 498.7 u'HeIIr' 234 x 234 169, 617 5 2 x 2 CDD 8C0000 D349 Schwope sl,trm   run020   Very nice conditions. Still in very low state.
run019   V834 Cen   16/05/2005   04:54:31 05:51:45 67032 DRIFT 8.5 50.9 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run019   More of the same. Excellent data.
run018   V834 Cen   16/05/2005   03:29:37 04:54:29 99429 DRIFT 8.5 51.2 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run018  
run017   V834 Cen   16/05/2005   02:05:53 03:29:35 98035 DRIFT 8.5 51.5 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run017   Very good data. QPO obvious in the r' and detectable in HeII.
run016     16/05/2005   02:05:49 02:05:49 POWON   run016  
run015   V834 Cen   16/05/2005   02:05:16 02:05:44 541 DRIFT 8.5 -18.0 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run015  
run014   V834 Cen   16/05/2005   01:38:09 02:05:14 31718 DRIFT 8.5 51.0 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run014   Trying to diagnose bias problems. Seems that BOTH run013 and our 4x4 bias suffer from a high red bias and therefore more noise as well unfortunately, but it may not be that bad a problem in the end.
run013   V834 Cen   16/05/2005   00:16:55 01:38:07 95121 DRIFT 8.5 51.6 u'HeIIr' 172 x 156 185, 569 13 4 x 4 CDD 8C0000 D646 Bonnet-Bidaud sl,trm   run013   4x4 binning and slow readout to reduce readout noise. Suspect high bias problem in red. Trying to diagnose bias problems. Seems that BOTH run013 and our 4x4 bias suffer from a high red bias and therefore more noise as well unfortunately, but it may not be that bad a problem in the end.
run012   V834 Cen acq   16/05/2005   00:11:28 00:16:53 4706 DRIFT .5 60.4 u'HeIIr' 166 x 150 187, 569 15 2 x 2 FBB 8C0000 D646 Bonnet-Bidaud sl,trm   run012   NOT acquisition - this is science. First few frames have slide in wrong position.
run011   V834 Cen acq   16/05/2005   00:04:47 00:11:25 2167 DRIFT .5 197.7 u'HeIIr' 512 x 200 1, 513 1 2 x 2 FBB 8C0000 D646 Bonnet-Bidaud sl,trm   run011   acquisition
run010   Z Cha   15/05/2005   22:56:47 23:55:11 7007 2-WIN 283.5 506.6 u'g'r' 300 x 200 65, 675 19 2 x 2 CDD 8C0000 D738 Wheatley sl,trm,pk   run010   Z Cha taking data. Good conditions at start
run009   Z Cha   15/05/2005   22:55:06 22:56:44 199 2-WIN 283.5 434.3 u'g'r' 300 x 200 65, 675 1 2 x 2 CDD 8C0000 D738 Wheatley sl,trm,pk   run009   Z Cha acquisition. Slightly low in windows. Useful science data here.
run008   Sky flat   15/05/2005   22:38:38 22:47:52 26 FFCLR 16000.5 21978.0 u'g'r' 1024 x 1024 1 x 1 CDD 8C0000 Calib Calib Dhillon   run008   Upped exposure time to 16secs. Will need dark subtracting.
run007   Sky flat   15/05/2005   22:36:54 22:38:20 7 FFCLR 8000.5 24981.0 u'g'r' 1024 x 1024 1 x 1 CDD 8C0000 Calib Calib Dhillon   run007   Late onto sky as day astronomer had closed down observing system. Sky too faint.
run006   Bias   15/05/2005   20:58:01 20:58:20 100 DRIFT .5 124.7 u'g'r' 234 x 234 169, 617 5 2 x 2 CDD 8C0000 Calib Calib sl,trm,pk   run006   Bias for HU Aqr (runs 34-41).
run005   Bias   15/05/2005   20:55:44 20:55:48 100 DRIFT .5 12.7 u'g'r' 134 x 134 35, 819 17 2 x 2 FBB 8C0000 Calib Calib sl,trm,pk   run005   Bias for WX Cen (runs 22-23).
run004   Bias   15/05/2005   20:49:42 20:52:47 100 2-WIN-CLR .5 1781.6 u'g'r' 512 x 300 1, 513 1 1 x 1 CDD 8C0000 Calib Calib sl,trm   run004   Bias for M4WD (run 33).
run003   Bias   15/05/2005   20:44:55 20:48:06 100 4-WIN .5 2377.7 u'g'r' 440 x 250 1, 570 20 250 x 200 200, 560 740 1 x 1 CDD 8C0000 Calib Calib sl,trm   run003   Bias for GW Lib (runs 29-32). As always this has a finite exposure time. Darks taken last night tell us that shouldn't be a problem. Bias levels nominal.
run002   Bias   15/05/2005   20:43:48 20:43:52 100 DRIFT .5 12.7 u'g'r' 134 x 134 35, 819 17 2 x 2 FBB 8C0000 Calib Calib sl,trm   run002   Bias for WX Cen (runs 22-23). Has low red bias problem.
run001     15/05/2005   20:36:41 20:36:41 POWON   run001   Power ON