Cocoon Nebula, a WF photo(crop), composed as a L-RHa,G,B picture

Photographer
Niels V. Christensen
Email
nvcchr@mail.dk
Location of photo
Copenhagen, Denmark
Date/Time of photo
22 and 23 Aug-2017. Cocoon centerpart 50% opacity taken in Nov-2015 & Aug-2014, earlier submission.
Equipment
Mount TTS-160 Panther. TV NP127is F5.2 scope. ZWO asi1600mm camera. Baader L,R,G,B,Ha 36mm filters.
Description
As said above. This is a crop due to the 1000pix/150k limitation. Total exposure time ~10hours. The centerpart is partly taken from a 16" SCT picture. Here is a link to a bigger picture, https://www.dropbox.com/s/fvr9mdo5c02l9y2/CocoonNebLRHaGB-9-8hoursMixCenter16inc40pct.jpg?dl=0
Website
http://www.astro-hp.dk
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