I've take 25x300s frames in 2x2 binning and you can only just see the delightful structure of this low surface brightness planetary.
There is a much larger and fainter outer halo - a good target for those with a wider field and darker skies.
View full sized image of PUWE1 Planetary Nebula in Lynx
cCaptured in Maxim and processed in PHotoshop
This image was autoguided using my homemade off axis guider with Lodestar.
Imaged with my homemade telescope mount
Exposure Details :
Astrodon 6nm Ha 25x30s on 200 @ F5 f.l. 1000 with Artemis 285 camera
Equipment:
Curdridge Observatory, Southampton,UK