The Seagull Nebula, GUM 1 in Monoceros February, 2012

The moon was either absent or at a very small phase located well away from the nebula in angular distance for all exposures.

Taking Camera SBIG ST-8300M Sun City Center, FL, Feb,2012 ~mag 4 - no moon @-20 and-25C
Imaging OTA Canon EF 300mm f2.8IS
Equivalent focal length and ratio 300mm f2.8
Mount Losmandy G11 Gemini 2
Guiding PHD with SSAG and 80mm/f5.0 Guidescope
Ha 23X15' unbinned-3nm Astrodon Filter
Calibration and Stacking Darks, Flats and Bias Frames - Deep Sky Stacker
Processed PixInsight and Adobe Photoshop CS4. False colour and diffraction spikes by Noel Carboni's Action

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