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                Information about dailyim_19910915.jpg                      
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Original file name : sx2m_19910915_173432_121.fts
Category : SXT Scientific Composite,
           made from 2 images (with short and long exposures),
           registrated and byte-scaled for movie (sx2mov)
Image size : 512 x 512
Bit per pixel : 8
Date of observation : 1991-09-15  17:34:32.033
Exposure time (sec) : 0.47619000
Pixel Resolution (arcsec) : 4.91
Filter : Al.1
CCD temperature (C) :  -2.19
Images used for compotite : 
15-SEP-91  17:34:32  QT/H  Open /Al.1  Half Norm C  18   468.0  512x512
*** shorter exposure not needed due to no saturation. ***

-------------------------- calibration history --------------------------
Dark Subtraction: (dark_sub,Ver: 3.280) Interp      15-SEP-91  20:52:34
      and 28-SEP-91  11:11:33
DC Orbit Correction: Enabled
Despiked: (sxt_clean.pro) & Destreaked: (sxt_xsaa.pro Level/N_Sigma =
Leak Subtraction:  NONE PERFORMED
Image Deconvolution?    YES (sxt_decon.pro Ver:  2.2 ) Delta +  Wings
Composite Creation:NONE PERFORMED
Vignette Correction: Ver: 1.000               Technique: 1
Registration: Yes
Exposure Duration (millisec):   Original=        469.7   New=        476
Pixel Resolution:    Original= Half   New= Half
Intensity units:  Arbitrary logarithmic scale





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