andytaber

400mm Sand Dune Eruption

400mm shot of the Horsehead Nebula and the Flame Nebula rising over the crest of a sand dune in the Great Sand Dunes National Park in Colorado. Sky and land wer...
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400mm shot of the Horsehead Nebula and the Flame Nebula rising over the crest of a sand dune in the Great Sand Dunes National Park in Colorado. Sky and land were processed separately. Taken with a Canon 6D using a 400 mm F5.6. 5 foreground shots were taken using 10 sec exposures at ISO 3200 then median stacked in PS CC. Then 25 sky shots were taken at 400mm using 45 sec exposures and 12800 ISO at f5.6 on the ioptron skytracker and median stacked in PS CC then processed in Pixinsight. The land and sky were then blended back together in PS CC.
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