Spiral galaxy Triangulum (Messier 33, NGC 598) of type Sc.

Spiral galaxy Triangulum (Messier 33, NGC 598), type Sc
A neighbor of our galaxy in the "community" of the Local Group: Triangulum Galaxy, Milky Way, Andromeda Galaxy
The red spots in the galaxy's arms are regions of ionized hydrogen H II

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
Guider SVBONY 60/240, F/4
Guide camera ZWO ASI 120 Mini
Flat panel Gemini 190 mm

Software for imaging:
Astrophotography Tool, SharpCap (polar alignment), EQ-Mode, ASCOM, Cartes Du Ciel, PHD2

Suburb of Chelyabinsk, Starokamyshinsk area
Red light pollution zone. Class 7 on the Bortle scale.

Imaging on 11-12.08.2026
Total 154 light frames of 90 seconds each + 20 dark frames + 20 bias frames + 20 flat frames
ISO 800

Total integration time Σ=3h51'00"

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