M81 Galaxy This was imaged while the first quarter moon was at zenith and I was fooling around with making adjustments on the focuser and mount. Had to darken background due to the moon casting a gradient across the image.
OPTICS: Televue NP-127 f/5.2
MOUNT: Mountain Instruments 250
CAMERA: ST-10XME
GUIDING: ST-402 on TMB80 f/6
FILTERS: Astrodon "E" Series TruBalance
EXPOSURE: Single (1)20min H-alpha
DATE(S): 02/13/2008
LOCATION: Horizontal Heavens Observatory, Texas USA
ACQUISITION: CCDSoft v5
PROCESSING: ImagesPlus, CCDSoft, PhotoshopCS2
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