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Rich Maruzzi | all galleries >> Astrophotography >> Galaxies > M31_378mm
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Oct-01-05, 23:23 EDT

M31_378mm

M31 Andromeda Galaxy (NGC 224)
Size:178'x63'(250,000 ly dia.) Mag:3.4 Dist:2.9 mly
with M110 (left) & M32 (right)

Camera: Canon EOS 300D Digital Rebel
Telescope: Orion ED80 w/0.63X reducer, 378mm @ f/4.7
Exposure: (4x20)+(2x30)+(17x60)= 19.3 min @ ISO1600
Mount: Celestron ASGT
Processing: Dark, flat and bias calibration, alignment, stacking and digital development in IP 2.5. Alignment in Registar.
Levels, curves, skyglow & noise removal and shapening in Photoshop CS with Neat Image & Gradient exterminator.


other sizes: small medium large original auto
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