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CTB1 supernova remnant in Ha

Tom How

By Tom How
in Observing - Deep Sky

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Tom How

Tom How

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My first post here so be nice, ok!

A very faint supernova remnant in Cassiopeia lurking in a lovely field stuffed with Ha emission and little obscure open clusters. Very faint and very low contrast, I've chucked 10 hours of exposure with an Artemis 285 camera, Astrodon 6nm ha filter and a £10 135mm focal length SLR lens (Yay for Ebay) at this target, and it still looks rather faint!

Full image and details etc can be found here:

Astrophotography Blog » CTB1 Super nova remnant in Cassiopeia

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