Talking about the design of a large short focal length dob during the OSP2023 telescope walkabout
Talking about the design of a large short focal length dob during the OSP2023 telescope walkabout
Telescope Walkabout
When you want to see the stars, find someplace dark
Talking about the design of a large short focal length dob during the OSP2023 telescope walkabout
Talking about the design of a large short focal length dob during the OSP2023 telescope walkabout