Comet C/2004 Q2 Machholz Comet C/2004 Q2 Machholz

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3.12.2004 22:20 UT at altitude of four degrees

Imaged with a Canon EOS 20D and EF-S 17-85mm IS USM lens. Exposure time was 17 seconds at f/5.6, focal length 85mm. Camera setting were manual exposure, 1600ISO, daylight white balance. Image enhancements used were manual dark frame subtraction, curves, unsharp masking, brightness and contrast. Image was cut and made smaller for the Web.

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All material Copyright © Jorma Koski, Anno Mundi 2004