JacobvonChorus
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Drift alignment or flexure?
in Imaging - Discussion
Posted
I once managed to take an image at a pristine dark location with my dslr consisting of two 30 minute exposures at ISO 800. I polar aligned with a polar scope and imaged at 500mm. Guiding was done through a separate scope at 800mm using the SSAG. The image was good enough to get published in a magazine: http://celestialwondersphotography.com/ImagePages/M45Page.php
Jacob von Chorus