Download Barn Door Tracker Tangent Error Gif. Submitted 3 years ago by benrules2. Most of this error can be eliminated by adding a second hinged arm to the standard arrangement.
It's called the tangent error — and here's how some of our favorite diy barn door trackers solved it. But i have designed with stepper. Build your own barn door tracker mount and take fantastic long exposure photos of the night sky without the star trails.
How to make a simple and inexpensive camera tracker for astrophotography.
While this article discusses building a simple single. emvilza spent a ton of time designing the tracker using sketchup. It is a simple alternative to attaching a camera to a motorized equatorial mount. 2 pcs floor guide for barn door hardware plastic powder coated black with screw.