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by crodom
Wed May 21, 2008 11:04 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Perseus Cluster of Galaxies, green stars? (APOD 20 May 2008)
Replies: 13
Views: 5574

Green foreground stars in APOD 080520 (Perseus Cluster)

Several of the foreground stars in the photo are green (have green halos). I'm familiar with the general explanation of why we do not see green stars. Are the green stars the result of too much green level in the composite?