(meteorobs) meteors in photos - start green then end red - color question

Leo S l.stachowicz at btinternet.com
Wed Dec 9 13:19:40 EST 2009

Green is due to atmospheric oxygen emitting light, and red due to 
nitrogen since there is more of it at low altitude than oxygen. Only 
faster meteors have the necessary energy to excite the air in this way 
though. Ed Majden posted a link to a paper about it a few weeks back I 


Thomas Ashcraft wrote:
> Often meteors in photographs start green and then end up being reddish 
> or pink in color at termination.  I cite for example: Pierre Martin's 
> beautiful Leonid photos:
> http://www.flickr.com/photos/13845235@N03/4116625652/sizes/o/
> Is this true meteor coloration or is this a camera bias or artifact?
> Thanks in advance for replies.
> Thomas
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