Revision history of "Telescopes"

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• (cur) (prev) 04:52, 9 August 2019 Ana (Talk | contribs) m (1,005 bytes) (Created page with '== Basic geometry == Plate scale of a telescope is 1 radian in the sky (measured in arcsec) "seen" in the focal plane of the telescope at the focal length (measured in millimete…')

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