source - https://www.reddit.com/r/space/comments/4dize1/lucky_photo_of_a_meteor_over_new_zealand_4516/
ThaiKarma wrote : Colours of meteors depend on the relative influence of the metallic content of the meteoroid versus the superheated air plasma, which its passage engenders: Orange-yellow (sodium) Yellow (iron) Blue-green (magnesium) Violet (calcium) Red (atmospheric nitrogen and oxygen)
SilentEchoes found : 
origin - http://www.pipiscrew.com/?p=4780 meteor-over-new-zealand