Obsession 18 Feb 17 Written By David Hoover Diameter: 18in | 457mmFocal Length: 1900F-ratio: 4.2Focal Length: 1900Type: NewtonianDonor: Shasta AstronomyManufacturer: ObsessionFirst Light: 2017 TelescopeDobsonian Mounted Newtonians David Hoover
Obsession 18 Feb 17 Written By David Hoover Diameter: 18in | 457mmFocal Length: 1900F-ratio: 4.2Focal Length: 1900Type: NewtonianDonor: Shasta AstronomyManufacturer: ObsessionFirst Light: 2017 TelescopeDobsonian Mounted Newtonians David Hoover
