Posts tagged with "2015-1Eng"

Gallery · 26. December 2015
It is interesting to see what a small telescope, a 90 mm Meade ETX, can produce with a Lumenera SKYnyx2-2M camera and AviStack2.

Gallery · 28. September 2015
Four photos of the September 28, 2015 lunar eclipse taken with a Nikon D750 and 800 mm f/5.6 Nikkor ED telephoto.

Gallery · 27. May 2015
Because of the complex rib geometry, the primary mirror is low mass (17 kg, - if it was monolithic it would be 50 kg). Six nylon lateral pressure pads prevent the mirror from shifting in the cell. In addition, each lateral pressure pad slides vertically on six ball bearings.