Comet Catalina

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Date: 9 December 2015
Location: High Halden, Kent
Exposure: 20 x 30sec
Telescope: Takahashi Epsilon 180ED on Skywatcher EQ6 mount
Camera: H-alpha modified Sony A7S
Guiding: Nikkor 300mm lens with QHY5 camera.
Filters: IR/UV cut filter
Processing: Stacked in PixInsight and stretched with Arcsinh Stretch
Comments: Stacked without calibration frames - hence the dust doughnut.