[AZ-Observing] Question about M17's color

  • From: Paul Lind <pulind@xxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Thu, 4 Jul 2013 00:23:07 -0400 (EDT)

Having nothing better to do, I've been reprocessing an image of M17 taken last 
summer.  It has the usual red color but there's a blue haze to the East (left) 
of the bright part of the nebula. Can someone tell me if that's really there?  
The image can be found at:

http://www.pbase.com/paullind/image/151133825

Paul
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