金星 ALPO-Japan Latest
Venus Image 2023/04/26(UT)
Moises Portillo Leon,Frank Weitzmann,Carsten Bauer,Antonio Cidadao,Manos Kardasis,Detlev Niechoy
M.P.Leon,F.Weitzmann,C.Bauer,A.Cidadao,Kardasis,D.Niechoy
[Moises Portillo Leon,Andujar:Spain)]
Seeing 7/10,after rain,very windy,clouds,Baader Bessel U Filter,CCD Red,CCD blue
[Frank Weitzmann : Berlin,Germany]
At first,some clouds hovered around for a long time exactly in that region of the sky where Venus should be visible. After they finally moved on,there was a phase of very calm air,even down to moderate altitudes,providing nearly perfect conditions which occur only a few times a year in my location.
Actually,the B channel exhibits some impressive cloud pattern,G appears similar to a great extend,but not completely. And in the southern half,all 3 channels exhibit some local similarity. Contrast in IR however is much lover than in B and G.
In the final images,some manual editing was done to reduce a bit the intensity of the inevitable ring artifact.
[Carsten Bauer : Frankfurt,Germany]
another short session due to seeing conditions and transparency. IR markings are seen.
≪アントニオ シダダオ ポルトガル≫
[Antonio Cidadao Oeiras - Portugal]
[Manos Kardasis,Glyfada-Athens;Greece]
《カーダシス マノス:ギリシャ アテネ》
[Detlev Niechoy : Goettingen,Germany]
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