I picked up this remnant from reading this paper and ended up taking 7 hours of data across several nights - as you can see it hardly shows up , and my field of view was a little cramped.
Taken with the Sky90 and the Atik 490ex with the astrodon 3nm Ha filter.
View full sized image of G156.2+5.7 Supernova Remnant
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This image contains the optical counterpart of a supernova remnant
This image was autoguided using my homemade off axis guider with Lodestar.
Imaged with my homemade telescope mount
Exposure Details :
Astrodon 3nm Ha 14x1800s on 90 @ F4 f.l. 409 with Atik 490 camera
Equipment:
Curdridge Observatory, Southampton,UK