Experimental Processing - Horsehead nebula

A

Andy Nowlen

Well-Known Member
Hi,
Online I caught a glimpse of the nebula done in OOH style combination. I decided to give it a try.
There are some aspects of it that I like compared to the traditional version.
This one assigns O3 to red, blue channel to green, and red channel to blue to created the OOH image.
The stars were removed from each channel, before recombining and refining the colors.
I was using the Altair quad channel filter. I think that is what contributed to the star shapes and halos.
Of course, not many filters that I can afford do very much better on this set of bright stars. :>)

Asi071mc cool
Sharpstar 76mm @ 335
CEM26 mount
Asiair
~6.5 hours integration
Astropixel processor
Pixinsight
Starxterminator
Photoshop

Horsehead nebula in OOH.jpg
 
Last edited:
JimFox

JimFox

Moderator
Staff member
Very cool Andy! I like your experiment a lot. Seeing it in a different color palette then we normally do actually let's different shapes and patterns stand out. I would say your experiment was a success. Perhaps that wouldn't work on every target, but I think it works here.

The halo's on the stars is why I have decided I won't get the L-Extreme when I do order my Astro camera (hopefully soon), but will instead get the L-Enhance. But I know a lot of people do use those filters like your quad band. It's just when I first jump up from the DSLR to the OSC, I want to keep things as simple and easy as I can to start out. Better filters is something for down the road for me.
 
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