金星 ALPO-Japan Latest
Venus Image 2009/01/03(UT)
尾崎公一,齋藤 強,小澤徳仁郎
Christophe Pellier,Jean Jacques Poupeau,Carl Roussell
K.Ozaki,Christophe.P,J.J.Poupeau,T.Saitou,T.Kozawa,C.Roussell
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Kimikazu Ozaki(420mm Rfd) |
１月３日夕刻の金星像です。明け方の土星との光度差が
あまりにも激しいために露出を修正するのに手間取って
おります。
[Ki.Ozaki,Sobue Inazawa Aichi JAPAN]
≪愛知県稲沢市祖父江町 尾崎公一≫
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Christophe Pellier (250mm Cassegrain) |
seeing was better ; indeed the true limit was the still low altitude of the planet.
The UV filter suffers quite a lot from the low altitude,being scattered and absorbed much more than visible light. In this situation,the W47 filter did a much better job,so I do think that every Venus observer should possess and use this filter as well,as it provides a good level of contrast with a higher probability of getting sharper images...
Details are also present in visible light,as in 2007.
[Christophe Pellier Bruz City,France]
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Jean Jacques Poupeau (350mm Cassegrain) |
[Jean Jacques Poupeau : Pecqueuse France]
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Tsuyoshi Saitou(200mm catadioptric) |
コメント：シーイングが悪く強風でモニタから像が飛び出ていたので
いつもより拡大率を落として撮影しました。
(Tsuyoshi Saitou : Shibukawa-City Gumma-Prefecture Japan)
≪齋藤 強:群馬県 渋川市≫
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Kozawa Tokujiro(250mm Newtonian) |
(Kozawa Tokujiro : Hachiouji-City Tokyo Japan)
≪小澤徳仁郎:東京都八王子市≫
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Carl Roussell(150mm F8 refractor) |
2009/01/03 20:17UT
15cm f/8 Refractor, 200x - 400x
IL, W25, W58, W47
See: 4/10 Trans: Clear
Dia: 21.8" Phase: 0.57
CM1: 182 CM2: 137
[ Carl Roussell : Cambray Canada]
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