Bahtinov Mask Generator Site Is Down.. - Equipment (No astrophotography) - Cloudy Nights
How To: Design a Bahtinov Mask | Inner City Astronomy
How To: Design a Bahtinov Mask | Inner City Astronomy
The Bahtinov Mask
GitHub - cytan299/tribahtinov: A Tri-Bahtinov Mask for Aiding Collimation and Focusing of Schmidt Cassegrain, Ritchey-Chretien, and Newtonian Telescopes