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GSO200F4 set to a 160F5 telescope, Paulo Nunes

GSO200F4 set to a 160F5 telescope

GSO200F4 set to a 160F5 telescope, Paulo Nunes

GSO200F4 set to a 160F5 telescope

Description

Telescope interior flocked with adhesive paper and 200mm mirror diaphragmed to 160mm to reduce vignetting on the G2-1600 CCD. I used Newt 2.5 to calculate the maximal diaphragm diameter for my telescope+camera.

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GSO200F4 set to a 160F5 telescope, Paulo Nunes