[AZ-Observing] Re: M16 - Hubble Palette

  • From: Albert Barr <ajbarr@xxxxxx>
  • To: "az-observing@xxxxxxxxxxxxx" <az-observing@xxxxxxxxxxxxx>
  • Date: Mon, 22 Jul 2013 16:39:31 -0700

Gorgeous image Mike and awesome job processing too. 

On Jul 22, 2013, at 3:59 PM, Mike Wiles <mikewilesaz@xxxxxxxxx> wrote:

> With a portable imaging rig and the difficulties that come with deep sky
> imaging during the monsoon season - M16 had always been at the top of my
> list of things to image.  Until this year, I'd not been able to do it.  Now
> that I have my equipment set up remotely, I was able to start imaging this
> target as soon as it was getting high enough above the horizon as far back
> as early May - even if it was just one frame per night.  I was able to
> finish the image in mid-June and started processing.
> This image is a total of 37 hours of exposure time shot in the standard
> Hubble palette:
> 
> Red = Sulfur II filter (3nm) - 12 exposures @ 60 minutes each
> Green = Hydrogen Alpha filter (3nm) - 13 exposures @ 60 minutes each
> Blue = Oxygen III filter (3nm) - 12 exposures @ 60 minutes each
> 
> All images were captured with an Explore Scientific ED152CF f/8 triplet and
> an SBIG ST-8300 CCD camera in Benson, AZ.  All image processing from
> calibration to final post-processing was done in PixInsight v1.8 RC7.  I
> was really happy with the end result considering that by the time I took
> the last few frames, thermal noise was becoming an issue with the
> encroaching summer temperatures.
> 
> Comments and criticisms are always welcomed.  Thanks for looking.
> 
> M16 - Small Image w/capture details <http://www.astrobin.com/46647/>
> 
> M16 - Full Screen Sized Image <http://www.astrobin.com/full/46647/?mod=none>
> 
> M16 - Full 8 megapixel resolution
> image<http://www.astrobin.com/full/46647/0/?mod=none&real=>
> 
> Mike
> 
> 
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