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How I Built a Star Tracker for DSLRs

3 monthes 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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