Sub-Pixel Bahtinov Diffraction Spike Micrometer & Critical Focus Zone Checker

Deterministic Radon transform sub-pixel diffraction line-angle & intercept solver + Bahtinov sensitivity factor (9/32 · f/D) + Airy CFZ = 4.88·λ·(F#)² engine (.fits, .jpg, .dng, .png) built for Pegasus Astro, ZWO EAF, Baader Planetarium, Takahashi — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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