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Rich Maruzzi | all galleries >> Astrophotography >> Open Clusters > Alpha Persei_150mm
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Nov-13-04, 21:55 EST

Alpha Persei_150mm

Alpha Persei Moving Cluster (Mel 20)
Size:185' Mag:1.2 Dist:601 ly


Camera: Canon EOS 300D Digital Rebel
Lens: Sigma 70-300mm APO @ 150mm, f/5
Exposure: 7x4s=28s @ ISO1600
Mount: Tripod
Processing: Dark, flat and bias calibration, alignment, stacking and digital development in IP 2.0.
Levels, curves, skyglow and noise removal in Photoshop CS with Neat Image.


other sizes: small medium large original auto
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