I've been noticing a few "mystery objects" while browsing around with WorldWide Telescope, most look like they're aircraft trails and similar things. The most unusual (well, the most attention-grabbing, for me) seems to be a bunch of these:br /br /centerimg src="http://www.astronomer.me.uk/weblog/images/WWTMO.png" //centerbr /I'm guessing it's some sort of "reflection" within the telescope?