black hole

• by Dillic

  In the right corner at the bottom, is that a black hole?

  Posted March 30, 2014 10:20 PM

• by mcgalaxy

  i don't think so.

  Posted March 30, 2014 10:30 PM

• by ElisabethB moderator

  The green ring in the bottom right corner is an optical artifact.

  Posted March 31, 2014 9:31 AM

• by Dillic

  and what's an optical artifact if I may ask? 😃

  Posted March 31, 2014 6:19 PM

• by Capella05 moderator

  You can get many different types of optical artifacts. They are not real - they are fake 'objects' that can be generated by imaging or processing problems 😃

  Have a look at this thread here more more info.

  Posted April 1, 2014 5:53 PM