DIY Open-Source Star Tracker Gets You Those Great Night Shots
1 min read
Summary
Star trackers are used in astrophotography to counteract the rotation of the Earth and enable long-exposure photographs without stars becoming distorted lines across images.
An individual going by the name of OG-star-tech has designed their own open-source star tracker, the OG Star Tracker, which uses a stepper motor to rotate an astro photo camera in the opposite direction to the Earth’s rotation and thereby stabilise the image.
The OG Star Tracker is claimed to be more affordable and have more modular features than commercial offerings, and the design can be accessed via the GitHub repository, along with a bill of materials, a 3D-printable parts list, and an assembly guide.
There are also links on the repository to where the tracker can be purchased as a kit or an assembled unit.
