Diffuse emission nebula "North America" (NGC 7000, LBN 373)

Constellation Cygnus
Diffuse emission nebula "North America" (NGC 7000, LBN 373)
H II regions of ionized hydrogen
Dark gas-dust region LDN 935 "Gulf of Mexico"

Equipment:
Camera Canon EOS 200 Da.
Telescope Synta SkyWatcher 150/750, F/5
Mount HEQ-5 Pro
Bahtinov mask
Polar finder camera iOptron iPolar
Coma corrector Baader MPCC Mark III
Guidescope SVBONY 60/240, F/4
Guide camera ZWO ASI 120 Mini
Flat panel Gemini 190 mm

Capture software:
Astrophotography Tool, SharpCap (polar alignment), EQ-Mode, ASCOM, Cartes Du Ciel, PHD2

Village Stepninskoye, Chelyabinsk Oblast
Blue light pollution zone. Class 4 on the Bortle scale.

Imaging on 14-15.08.2026
Total 173 light frames of 90 seconds each + 20 dark frames + 20 bias frames + 20 flat frames
ISO 3200

Total integration time Σ=4h19'30"

Post-processing software:
DeepSkyStacker, FITStacker, Lightroom, StraNet2GUI, Photoshop, Topaz Denoise AI