Contains:  Solar system body or event
Getting plate-solving status, please wait...
Comet C/2013 A1 (Siding Spring) 2014-08-15, Roger Groom
Getting plate-solving status, please wait...
Comet C/2013 A1 (Siding Spring) 2014-08-15, Roger Groom

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Description

Comet C/2013 A1 (Siding Spring), 10x300s combined using sum. You can see a defined edge on the comet which is likely real. I see the edge in the individual exposures and don't believe it is from the reduction process or post-processing. Only subsequent images may confirm, but that requires good weather.

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Histogram

Comet C/2013 A1 (Siding Spring) 2014-08-15, Roger Groom