Today, 03.07.2010 at about 3:18 GMT +1 (2:18 local summer time) in Poland / Warszawa I was imaging Jupiter. The seeing and results are as usuall... except that I've spotted a shadow on Jupiter where no moon was in the right spot to make a shadow (Io and Calisto on the back of Jupiter). Looking more I think I've spotted something bright and round-like that also moves with the shadow:
I've marked those things on:
http://i48.tinypic.com/2czeb9t.jpg
Animation:
http://i46.tinypic.com/ncmjye.jpg
Is this is one of small moons, flyby of something or just such "strange" things in Jupiter atmosphere?
And standard images:
f/20:
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image 1
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image 2
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image 3
f/15:
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image 1
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image 2
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image 3
DMK21/SCT8 and filter threaded focal reducer:
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image