ClarkVision: Visual Astronomy: M51 and Telescope Aperture
Struggling with my new Altair Astrocam. 12 inch telescope. Open to suggestions. The histogram when at 100 percent I only get 40 percent in blue. No way to control color in raw. : r/Astronomy
White Metal 12 Inch Professional Dobsonian Telescope By Gso, 1520mm, | ID: 22268456133
Orion SkyQuest XT12g Go To Dobsonian Telescope
Planetary images made with the USNO's 12-inch refractor — Naval Oceanography Portal
Planetary images made with the USNO's 12-inch refractor — Naval Oceanography Portal
Company Seven | Meade 12 Inch f/5 Lightbridge™ Telescope
Dobsonian Telescope, 12 inch Telescope, GSO, Reflector Telescope, Astronomy, MADE IN TAIWAN Telescope