Newtonian, SCT & Ritchey-Chrétien Optical Collimation Concentricity Analyzer

Deterministic Sub-pixel Canny-Taubin concentric annulus fitting + fast-Newtonian secondary mirror geometrical offset model D_offset = d/(4·F#) engine (.fits, .jpg, .png, .ser) built for Celestron EdgeHD, Sky-Watcher Quattro, GSO RC, Starlight Instruments — zero-upload ephemeral Wasm RAM execution.

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