[AZ-Observing] M31

  • From: Albert Barr <ajbarr@xxxxxx>
  • To: "az-astroimaging@xxxxxxxxxxxxx" <az-astroimaging@xxxxxxxxxxxxx>, az-observing@xxxxxxxxxxxxx
  • Date: Wed, 02 Dec 2015 15:04:18 -0700

Last night, at my home in Phoenix, I added 4 hours of 900 second Ha exposures
to this image I took remotely in New Mexico over the last 6 weeks. I now have a
total of 16 hours on this version. If you look carefully you can see some of
the hydrogen, particularly on the upper bands. Stars are still color and this
final version is now an HaLRGB. The full size JPEG is 17.7 megabytes and looks
amazing on my IMAC 24 inch screen. The tiff I used is 221 megabytes :)

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