Part of the Cygnus Loop, or Veil nebula, in Cygnus, a supernova remnant. Very photogenic with well-delineated Oiii and Ha emissions.
Acquisition and Processing:
6 hours of HaOiiiRGB data over three nights, Jun 25-29, 2020
ES 127ED apo refractor @f/5/5
ZWO ASI180MM Pro cooled to -20C
Voyager acquisition software
CEM60 Equatorial mount
PHD2 guiding
Processed in Pixinsight and Phtoshop CS4