Saturn Section: August 13, 1999

1999”N 8ŒŽ13“ϊ‚Μ“y―

VμŸm
M.Niikawa



Condition:
1999/08/13 17h53m44s(UT) 
I= 49.9 III=259.5
15 frames composite

1999/08/13 18h51m26s(UT) 
I= 83.8 III=291.9
7 frames composite

Seeing = 7-4/10 Trans.= 3/6
All images are taken with ;
Telescope : C11 (SC) D=280mm fl=2800mm
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
Effective F No.: 25 (XP24mm Eyepiece Projection)
Filter: IR cut & Low-pass built-in the camera
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1/4 sec
Analog gain: 6dB
Image Processing;
The Maximum Entropy Method deconvolution after composite of the original taking images. And enhanced with the unsharp masking method.

Remark;
Seeing was fairy good at the begininng.but became worse.
A division in the B ring was observed..
Does 18h51m26s UT image show IKEMURA's Jul.30 white spot at the right rim of the Saturn body ??.


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