
M81 Bode's Galaxy nebula) spiral galaxy in Ursa Major
M82 The Cigar Galaxy irregular galaxy in Ursa Major
Date: 6/10/2006
Location: Bryce Canyon
Conditions: 93% full moon, seeing 8/10, transparency
8/10, temperature 65-46 F.
Telescope: Televue 85mm refractor, 600mm focal length, prime focus no
diagonal.
Mount: Losmandy G11, Gemini goto, polar scope used to align,.
Camera: Canon Rebel 300d
Focusing: Manual on star using right
angle Canon 2.5 magnifying view finder.
Exposures: (2) 3 min raw, 800 ISO
Processing: IP- convert raw to FITS, dark frame
calibrate, align-rotate-scale, combine average,. digital
development, convert to 16 bit TIFF, PS CS- curves, levels, color saturation, cropped,
unsharp mask, convert to 8 bit JPEG.
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