2020 12 15 DAS Meeting - "Large Aperture Dobsonian Telescopes" by Bob Jorgenson скачать в хорошем качестве

2020 12 15 DAS Meeting - "Large Aperture Dobsonian Telescopes" by Bob Jorgenson

This is the December 2020 DAS Meeting, held on 12/15/20. Bob Jorgenson presented on "Large Aperture Dobsonian Telescopes." Bob is a member of two local area astronomy clubs - Bux Mont Astronomical Association and Chestmont Astronomical Society. He is a dedicated and avid observational astronomer who pushes the limits of DSO visibility each observation opportunity. The presentation focuses on large aperture telescopes that bridges into Bob’s 20" Obsession Telescope while explaining the value of a large aperture telescope for observing deep sky objects, the setup process for a large dobsonian telescope, and the technical aspects of the ServoCAT drive mechanism and Nexus DSC operation.