Part 1, Object 4: 2026 September 18 UT: M33, the Triangulum Galaxy

Object: M33, Triangulum Galaxy
Date: September 18, 2026 UT
Telescope: Askar 71F, 490 mm focal length, f/6.9
Camera: Canon Rebel XSi (450D)
Mount: iOptron SkyHunter
Exposures: Approximately 214 light frames, 20 seconds each
Dark frames: 30
Registration: 212 successful, 2 failed
Stacking: 176 light frames
Integrated exposure: 58 minutes 40 seconds
Image scale: 2.189 arcseconds/pixel
Plate-solved focal length: 489.96 mm
Processing: Siril, including photometric color calibration

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