Strange Green Lantern Ring-Like Object!

• by DistantSent

  This brings to mind Hanny's Voorwerp, but is much brighter. Possible star or planetary nebula at an extreme distance within our galaxy? I have no idea! (And yes, I'm a layman at Galaxy Zoo!)

  Posted October 2, 2013 5:48 AM

• by DistantSent

  ...Or could it be a distant quasar?

  Posted October 2, 2013 5:49 AM

• by JeanTate

  It's an #artifact, due to a failure in at least one of the color filters. There are quite a few other 'green stars' in the same field:

  

  Posted October 2, 2013 5:56 AM