Since I can already achieve very good results with Image Averaging I rather keep my equipment minimal.
I will not go into the technicalities of how star trackers work, because I have never used one myself. Since I can already achieve very good results with Image Averaging I rather keep my equipment minimal. Although there are some portable star trackers out there, they will still add a few hundred grams to your equipment and they will also make you less flexible during your Astrophotography shoot, because you need to set them up properly before starting your exposure.