Veil Nebula, supernova remnant in Cygnus image

Veil Nebula, supernova remnant in Cygnus

Contains: Deep sky object
Acquisition Details
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Description

This image combines about 3 hours each of Ha and OIII exposures, plus several hours RGB for background stars. Nikkor 300mm f/2.8 lens, ASI6200MM camera for narrowband, Nikon D750 RGB.