
A widefield shot of the famous Double Cluster from Sept 17th 2014 at Cherry Springs State Park. The Double Cluster is in Perseus but is in close proximity to Cassiopeia.


A widefield shot of the famous Double Cluster from Sept 17th 2014 at Cherry Springs State Park. The Double Cluster is in Perseus but is in close proximity to Cassiopeia.

Imaged from my backyard outside Pittsburgh, PA.
Telescope: Tak FSQ-106ED
CCD: Apogee U16
Mount: AP900GTO3
Exposure Time: H-Alpha = 14x20min, O[III] = 9x20min, S[II] = 10x20min
Total Exposure Time = 11 Hours