Disk Detective Talk
by 1garyjeff
At the bottom of the DSS2 IR (1.15 μm) image. What could that be?
Posted January 31, 2014 10:52 PM
by planetaryscience
nothing, probably just an artifact
Posted January 31, 2014 10:59 PM
by lrebull scientist, translator, admin
a piece of dust on the original photographic plate when they scanned it in!
