Descriptions are found by the pictures.
AtroTrac TT320X and Nikon D800 DSLR Configuration Example
An overview of this very compact configuration, driven by a 12 V battery and controlled by a Windows PC.
AtroTrac TT320X and Nikon D800 DSLR Configuration Example
The AstroTrac TT320X astrotracker is a very precise instrument which unfortunataley is not available on the market any longer It has a typical unguided tracking error of around 5 arcseconds peak-to-peak or better over a 5 minute period, which allows for use of up to 200 mm telephoto lenses at exposures of several minutes.
The astrotracker is mounted on a sturdy photographic mount and can easily carry weights of up to 10 kg.
AtroTrac TT320X and Nikon D800 DSLR Configuration Example
I use the astrotracker together with an unmodified Nikon D800 full frame DSLR camera, controlled from a Windows PC over USB.
Using lenses from 14 mm to 85 mm I can capture both meteor showers and starscapes, and using telephoto lenses I can take wide field images of nebulas and open star clusters.
AtroTrac TT320X and Nikon D800 DSLR Configuration Example
The star tracker is driven by 12V DC from either a car battery or from 8 AA battery cells.