Canon EOS 6Da at Canon Tele 200mm (step down to F3.3): 42 x 3m RGB
ISO 1600
June 2019 in
Ostfriesland/Germany I took another 3h narrow band image with my
ASI1600MMpro of this area, where M27 is visible too. For
comparison I put both images together. A "mouse over" will show a few
annotations.