Using C8 and EOS350D.
Did some test photos at prime focus.
Stars (Jewelbox): 1" slight trailing. 2" obvious trailing.
Moon (approx 6 days old) 0.004 (1/200) or 0.005" quite good (iso 800).
I usually write a blog post about once a week. The latest post can be viewed here: But is it Science?: Ask yourself this: is it really science? (posted 2024-10-04 at 12:30:35). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..