M31, The Great Andromeda Galaxy

large  |  with moon
Date   09/25/2006
Conditions   20.42 mags/sq arcsec at zenith
Scope   Orion ED80 @ f/6
Optics   William Optics 0.8X Focal Reducer, Baader UV-IR Cut Filter
Camera   Canon 350D (IR modified)
Exposure   28 x 5 min, ISO 800
Processing   ImagesPlus 2.8 dark/flat/bias calibration, stacking, DDP; PS CS2, levels, curves, USM, Hi-pass, saturation; Noel's Actions, grain reduction; Gradient Exterminator
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