Quote:
Originally Posted by Bassnut
Hi Guys
I went a bit longer with exposure time on this, was worth the effort I think
Big version here
Taken on my RCOS 10" RC Scope at f9, SBIG STXL6303E Camera and PME mount at itelescopes Siding Spring Observatory.
Processed with CCDstack, Star Tools and Photoshop. . Over 120 hrs Total exposure time with 3nm Narrowband filters. Ha, OIII and SII all 60min subs. RGB stars.
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That's one I haven't seen before. Very interesting Fred and very nicely done!

With 120 hours of NB I'd expect to see some
green though.