: Sony a9 (unmodified) with Sony 200-600mm G Tracker: iOptron Skyguider Pro with William Optics high latitude base
Settings:
-83 light frames at f/6.3, iso 5000, 45”
-25 dark frames at same settings
-30 bias frames at f/6.3, iso 5000, 1/8000”
-Astronomik CLS filter
-Unguided