green line ??
-
by Jas4uChess
picture error perhaps ?
Posted
-
by Jas4uChess
only this one or more ?
Posted
-
by Mjtbarrett
Hello jas4uchess,
The green line is a common artifact. It is a satellite trail. They can be red or blue as well. This is a really useful link for explaining about artifacts http://talk.galaxyzoo.org/help/discussions/DGZ1006byhPosted