Weird blue line going trough the screen.

• by ExoSaw

  What is the weird blue line?

  Posted August 11, 2017 9:33 AM

• by ElisabethB moderator

  Hi ExoSaw and welcome to the Zoo

  The blue line is a satellite trail. The satellite reflects the sunlight and because of its speed it gets imaged in only one filter. Satellite trails can also be red or green in de SDSS images.

  Hope this helps and happy hunting !😄

  Posted August 11, 2017 1:41 PM