金星 ALPO-Japan Latest

Venus Image 2022/05/28(UT)

Antonio Cidadao,Siegfried Gonzi
A.Cidadao,S.Gonzi

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ear sirs, triplicate independent Sloan z'-s' band images to show mid-altitude cloud boundaries
 (today linear and mostly latitude-oriented) and a dark feature reminiscent to that observed on may 26
 (see Venus planisphere attached).
Gif animation (between first and last z'-s' images) shows atmosphere rotation. 
The left side of the animation (using the last z'-s' image and the UV image obtained at a similar time) 
shoes little correspondence between high and mid-altitude cloud layers.
All images obtained in daylight, something that (together with the fact that the color IMX464 sensor is not particularly good in UV) 
made the UV image difficult to obtain. However, the good performance of the IDAS UV filter (300nm-380nm) saved the day.



≪アントニオ  シダダオ  ポルトガル≫
[Antonio Cidadao  Oeiras - Portugal]

[Siegfried Gonzi : Exeter,United Kingdom]

ALPO-Japan Latest Venus Section	2022/05/29
	2022/05/27