I'm fairly sure this is a real comet. The green coloration would be expected given the color of the aurora, which is in the foreground.
I agree it's very odd that no mention of this is made in the explanation.
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- Mon Nov 19, 2007 1:47 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Aurora in the Distance (APOD 19 Nov 2007)
- Replies: 38
- Views: 13481