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One of Jupiter's moon transit planet.


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I know I am a few hours ahead of you, but there one of Jupiter's moons travelling across the disc and it is not one of the big four. Does anyone know which one it is? From Riyadh, it is over the red band with the GRS in.

I did try and google but could not find it.


Mike MS.

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Hello. I resized it too much. It was not Io, do any of the other 58 moons cast a shadow when they transit? Kind regards, Mike.

Hi MikeMS,

The others are to small to cast a shadow, (well they are in my scopes), unless you have this...


Edited by Philip R
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