What is this?

• by Robthompson

  I marked this as a star. Is this correct?

  Posted July 8, 2014 6:27 AM

• by JeanTate in response to Robthompson's comment.

  Yes, it's a star. Actually an #artifact, caused by it being a #poorqualityimage.

  Here's what a star more typically looks like:

  

  I thought these had all been removed, as they're part of a the sky imaged by SDSS which has been known for some time to be full of artifacts.

  Posted July 8, 2014 6:42 AM