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                Information about dailyim_19911220.jpg                      
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Original file name : sx2m_19911220_112158_131.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 : 1991-12-20  11:21:58.047
Exposure time (sec) : 1.0000000
Pixel Resolution (arcsec) : 4.91
Filter : AlMg
CCD temperature (C) : -20.99
Images used for compotite : 
20-DEC-91  11:17:44  QT/H  Open /AlMg  Half Norm C  13    78.0  512x512
20-DEC-91  11:21:58  QT/H  Open /AlMg  Half Norm C  23  2668.0  512x512

-------------------------- calibration history --------------------------
Dark Subtraction: (dark_sub,Ver: 3.280) Interp      20-DEC-91  11:26:14
      and 19-DEC-91  23:27:52
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: (sxt_composite.pro Ver: 6.000)  # Images Used: 2
      Img1:  20-DEC-91  11:17:44.047
      Img2:  20-DEC-91  11:21:58.047
Vignette Correction: Ver: 1.000               Technique: 1
Registration: Yes
Exposure Duration (millisec):   Original=       2689.5   New=       1000
Pixel Resolution:    Original= Half   New= Half
Intensity units:  Arbitrary logarithmic scale



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