Astro Tutorial #1.11: Telescope Mounts - ALT/AZ vs EQ
6:03
Astro Tutorial #1.12: What is "seeing"?
11:54
Astro Tutorial #1.15: Barlow Lens and Focal Reducer
12:39
How Equatorial Mounts follow the stars, for Beginners
9:23
Astro Tutorial #1.4: Coordinate Systems of the night sky - ALT/AZ vs RA/DEC - V2.0
18:05
How to use setting circles on a small telescope (and why they don't work!)
18:19
Comment configurer et utiliser une monture de télescope équatorial pour les débutants
9:22
Astro-Tutorial #1.14: Attaching the Camera - Afocal Projection vs Prime Focus
21:59