Saturn Section: August 29, 1999

1999”N 8ŒŽ29“ϊ‚Μ“y―

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M.Niikawa

Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Still Camera Minolta Dimage EX1500)
Condition:
1999/08/29
16h29m20s(UT), I=190.2 III=225.6
         9 frames composite
17h51m42s(UT), I=238.5 III=272.0
         15 frames composite
18h28m45s(UT), I=260.2 III=292.8
         8 frames composite
Seeing = 7/10 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 : 1/3 sec
Analog gain: 6dB
Image Processing;
the Maximum Entropy Method deconvolution after composite of the original taking images (the left images)
Enhanced the leftmost images with the unsharp masking method (the right images)
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