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Image is of The Propeller Nebula (DWB 111). This S-like formation is part of the much large area of emission nebula in constellation Cygnus.This is a little studied object and so distance and origin are unknown.

Imaged with Atik 383 Mono on 10 inch R-C at F5.3 on NEQ6.Image is bi-colour (almost no O3) Narrowband using 5hrs Ha/S2 Integration time.

[Ian Smith]