Markarian's Chain

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Date: 21-28 March 2012
Location: High Halden, Kent
Exposure: 600 x 5 min at ISO 800 (A total of 50 hours!)
Telescope: Takahashi Epsilon 180ED on Skywatcher EQ6 mount.
Camera: H-alpha modified Canon EOS 350D
Guiding: Nikkor 300mm lens with QHY5 camera.
Filters: IR/UV filter and CLS filter
Processing: Stacked in IRIS and asinh range compression applied. Scaled by 2/3
Comments: Annotation done by plate solve and annotation scripts in PixInsight. 400 galaxies in the background!