Galaxy Zoo Talk

Whats this?

  • woutcool1 by woutcool1

    What is this?

    Posted

  • Yveskallaert by Yveskallaert

    Satellite passing by overhead as the telescope is observing and reflect light in a streak across the image as they pass by. They move quickly so their trails are always a single color: red, green, or blue.

    Posted