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qMasahito Niikawa (C8(D=200mmm fl=2000mm), Hand-made PC camera (CCD:ICX424AL))
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Venus on Feb.21, 2004
k = 0.68, Dia = 16.9"
IR96 filter (960nm - 1000nm)
09:54 (UT)
Exposure 0.04sec
929 frames composite
Effective Fno. = 16 (Tele-plus Extender projection)
Telescope:C8(D=200mmm fl=2000mm)
Camera:Hand-made PC camera (CCD:ICX424AL)
Seeing = 7/10, Transparency = 2/6
Observer:Masahito Niikawa Hachiouji Tokyo JAPAN
Processed with CRoPP, Registax and Photoshop
Some dark pattern along the equator is observed
which is different from Feb. 07, Feb. 08, and Feb. 15 image
ᓌs qs V쏟m
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