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ALPO-Japan
Venus Image 2004/04/25(UT)

柚木健吉,忍穂井幸夫,新川勝仁

K.Yunoki,Y.Oshihoi,M.Niikawa

Kenkichi.Yunoki (200mm Newtonian, ToUcam Pro) 
[Kenkichi Yunoki  (Sakai City  Japan)]
≪大阪府  堺市  柚木健吉≫

Yukio Oshihoi (250mm refractor, Philips ToUcam Pro)
風がとても強くてシーイングは最悪でした。
[Yukio Oshihoi  (Hirakata-City Oosaka-Prefecture  Japan)]
≪大阪府 枚方市　忍穂井幸夫≫

大阪Masahito Niikawa (280mm SC, Hand-made PC camera (CCD:ICX424AL)) 
Venus on Apr.25, 2004
k = 0.33, Dia = 33.1"
IDAS-U filter (340nm - 390nm) with IR Blocker
Exposure 0.04 sec
Effective Fno. = 10 (Prime focus)
09:50 (UT)
631 frames composite

IR96 filter (960nm - 1000nm)
Exposure 0.04 sec
Effective Fno. = 10 (Prime focus)
10:05 (UT)
92 frames composite

Telescope:C11(D=280mmm fl=2800mm)
Camera:Hand-made PC camera (CCD:ICX424AL)
Seeing = 2/10, Transparency = 3/6
Observer:Masahito Niikawa Sakai Osaka JAPAN
Processed with CRoPP, Registax and Photoshop

≪大阪府  堺市  新川勝仁≫

ALPO-Japan Latest Venus Section
2004/04/28
2004/04/24