Born in Loscoe, Derbyshire, I was raised as an inner city child in Nottingham. Like my ancestors did, I escaped the noise and grime of industrial city life to the fresh air and space of the Peak District national park regularly. 845 more words
Tags » Sphere
I continue to try to determine the foci of the apparent hyperbolic primary on the Hopewell Ealing 12inch cassegrain, which has serious optical problems.
My two given pieces of information are that the mirror has a radius of curvature (R) of 95 inches by my direct measurement, and its Schwarzschild constant of best fit,(generally indicated by the letter K) according to FigureXP using my six sets of Couder-mask Foucault readings, is -1.112. 381 more words