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                Information about dailyim_19910916.jpg                      
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Original file name : sxtf_19910916_182053_021.fts
                     sxtf_19910916_194047_021.fts
Category : SXT level_1 product (not a Scientific Composite).
Image size : 512 x 512
Bit per pixel : 8
Date of observation : 1991-09-16  18:20:53 & 19:40:47
Exposure time (sec) : 0.468
Pixel Resolution (arcsec) : 4.91
Filter : Al.1
CCD temperature (C) :  -2.7856
Images used for compotite : -

-------------------------- calibration history --------------------------
Two half-hemisphere images were combined to get a whole Sun image. 
Shifted so that the solar disk is centered at (256,280)

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