[APML] Blue in Packman nebula, real or not?

["Joe & Leslie Schaefer" <schaefer@htva.net>]

Hi

  I finished processing my images of the Packman nebula and I was wondering if anyone knows if this nebula has blue in its core area? The image link below is a result of three images (60/90/75 minute exposures). Stacked in PW and processed in PS.  Did I over process this image or is it real?

Thanks, Joe  

 

www.starfillednights.com/image_data/ngc281_image_data.htm

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