Has Jupiter been hit, or does it have a new storm?
From Anthony Wesley, Australia: "Yes, believe it or not, it seems that Jupiter has been hit by something and there is a jet black impact mark near its south pole. Here is an image I captured a couple of hours ago - if you have the chance to get out and see this longitude yourself then you should do it! This sort of thing doesn't happen very often. The last one I remember was the Shoemaker-Levy impacts in 1994."
Link to the Irish Astronomy blog.
"... Or it could be a storm, like the one seen on 23 October 2003", says Dr Apostolos Christou from Armagh Observatory; "it's definitely not a shadow."
Have a look yourselves!!!