M81, M82 and the Integrated Flux Nebula



Click on image for full-size version

Date: 18/20 May 2015
Location: High Halden, Kent
Exposure: 160 x 90sec at ISO 2000 (Total 4 hours)
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: SQM reading was 20.8 which is not really dark enough to do justice to the IFN