One of my favourite objects - which I often use as a test after major changes. The obejct was approaching zenith, and the star shapes are a little distorted by a tracking error. Perhaps I should have selected shorter exposures.
Captured in k3ccdtools. Stack in registax. No Dark. Curves in photoshop.
Exposure Details :
23x60s on 200mm @ F5 with SC3.5
Curdridge Observatory, Southampton,UK