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Walter MacDonald

Comet Siding Spring

Comet Siding Spring near M92.

C/2013 A1 (Star Trail)

Comet Siding Spring C/2013 A1. 18x30s exposure, stack aligned on comet (which trails the stars--this comet is moving right along!). SXV-H9 camera binned 4x4. Johnson V filter. Winchester Observatory image.

C/2013 A1 (Comet Trail)

Comet Siding Spring C/2013 A1. 20x30s exposure. SXV-H9 camera binned 4x4. Johnson V filter. Stretched with medium DDP in MaxIm DL. Winchester Observatory image.  There is a hot pixel below the comet.

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