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29P/Schwassmann-Wachmann outburst

Image

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About this observation
Observer
Nick James
Time of observation
22/11/2020 - 17:26
Object
29P/Schwassmann-Wachmann
Observing location
Chelmsford, UK
Equipment
Celestron HD11 + FLI6303
Exposure
10x60s
Tags

Here is an image of 29P almost exactly 3 days after its big outburst. The expanding coma has reached a diameter of around 24 arcsec. The comet is currently 4.90 au away so 1 arcsec is around 3,500km at the comet. This implies an expansion velocity of 160 m/s which seems rather a lot.

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