• How I Built a Star Tracker for DSLRs

    6 days ago - By Peta Pixel

    My name is Gerald Gattringer , and I'm a photographer based in Austria. I recently built myself a custom star tracker for DSLRs, and it works pretty well! In this article, I'll share how I did it.
    The photo above is the finished product. You are looking at an Arduino-powered self-made device that tracks the stars as they move across the sky. This is necessary because otherwise you can only expose for a limited amount of time and still have spot stars .
    The concept I used is called a “barn door tracker”.
    I am a university student who really enjoys astrophotography, but I didn't want to...
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