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Blair MacDonald | all galleries >> Galleries >> astrophotos > Rosette Nebula
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Rosette Nebula

SCO

Sixty minute exposure (30*2 minute subs) at ISO 1600.
Stacked using Deep Sky Stacker. SIM processed in Paint Shop Pro.

Seeing was poor resulting in a soft image and light polution produced a gradient across the picture.

The gradient was removed with a masked brightness and contrast adjustment layer. A custom deconvolution routine was run in MathCAD on each of the red, green and blue channels. The channels were recombined and a final sharpening was done in Paint Shop Pro.

Canon EOS 350D ,Meade SN8 8

other sizes: small medium large original auto
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chuck kimball 14-Dec-2007 00:37
wonderful image Blair, I really like what a little bad seeing can do!
Bryan Murahashi13-Dec-2007 05:46
Superb photo of this nebula.
carol j. phipps13-Dec-2007 03:30
Amazing sight! Wonderful.
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