M27 Dumbbell Nebula



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Date: 11 June 2018
Location: High Halden, Kent
Exposure: 100 x 30sec at ISO 10000
Telescope: Celestron C11 with 0.7x 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: Stacked in PixInsight and stretched with Arcsinh Stretch
Comments: Annotated in PixInsight (AnnotateImage script) using data from the ESA Gaia mission - specifically red and blue magnitudes from the Gaia DR2 catalogue. I've only annotated stars of magnitude 14.5 and brighter otherwise the image would be totally cluttered