Quote:
Originally Posted by h0ughy
so your lrgb were taken with the light polution filter in place - did you or have you used narrowband filters?
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Yes, just one but I think it came out pretty nice (Astronomik Ha 12 mm filter). If I were doing this again I'd use the TEC flattener and I'd do longer subs and longer total time!:
http://www.pbase.com/prejto/horsehead_nebula
and yes, all the other photos posted at PBase are with the Hutech in front of the LRGB filters.
Peter