Al Paslow Astronomy Collection
Images and events of personal interest.
Ball bearings are looked at by an amateur on the 6.3 inch refractors focuser assembly. The focuser could rotate to prove the most comfortable viewing position.
Ball bearings are looked at by an amateur on the 6.3 inch refractors focuser assembly. The focuser could rotate to prove the most comfortable viewing position.
See photo in original gallery.
This site features some great images.
