South African Astronomical Experience

M42 - Pat Kuehn

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M42 - Pat Kuehn
Pretoria 06/12/2010 - Home made tracking Barn Door drive, Canon 30D, 200mm f/2.8 lens. Composite of two sets of stacked images (30sec exposure but at ISO100 and ISO640). Combined using the Gimp to provide a much higher dynamic range than with a single set.
Posted by Doug on December 8, 2010 Full Size|

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