Horsehead Nebula



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Date: Taken over 2 nights: 28/30 January 2019
Location: High Halden, Kent
Exposure: 420 x 30sec exposures at ISO 10000 (3.5 hours of data)
Telescope: Celestron C11 with 0.72x Starizona LF corrector on Skywatcher EQ6 mount
Camera: H-alpha modified Sony A7S
Guiding: Nikkor 300mm lens with QHY5 camera.
Filters: IR/UV cut filter
Processing: Bayer drizzle stacked in PixInsight. PhotometricColorCalibration. Color Correction Matrix. Gamma and Arcsinh Stretch
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