Triangulum Galaxy (M33) — 2 Hours in Bortle 1

Camera Settings: 200mm f/5.6, ISO 400, 60 second lights, 2 Hours Total Exposure

Gear: Nikon D7200, Nikon 80-200mm f/2.8, Sky-Watcher Star Adventurer GTI

Light Pollution: Bortle 1 (Scottish Highlands)

Target: Triangulum Galaxy (M33)

Processing: 114 lights @ 60 seconds with darks and bias

Description: Captured under pristine Bortle 1 skies in the Scottish Highlands on 25 September 2025. Two hours of integration on the Triangulum Galaxy (M33) using a Nikon D7200 and 80-200mm at 200mm f/5.6, ISO 400. 114 one-minute subexposures with darks and bias reveal fine spiral detail.