Another processing of M27

Final version of M27, in total 18.5 hrs of imaging were used, spread over multiple nights end of August and beginning of September 2019. Transparency in Meldert was often bad with high cloud layers, and an sqm not going above 20. This is my first Narrow-Band image! Based on processing from Marc Verhoeven All details on Astrobin

And this is a processing from Marc Verhoeven

Baader O-III filter
Baader Red filter

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