Strange ring

• by sara_hipolito

  There's a very strange green ring below the central galaxy. Could anyone tell me what it is?

  Posted January 16, 2014 2:56 PM

• by JeanTate in response to sara_hipolito's comment.

  It's a kind of artifact, perhaps a ghost (a reflection of a bright source - a star - elsewhere in the field, within the camera).

  Posted January 16, 2014 5:03 PM