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Dust and Gas of Comet Hale-Bopp

The left red coloured image is a pure continuum image taken at a wavelength of 443nm. It shows the dust distribution in the inner 7' x 7' area around the nucleus. In contrast to this, the right image is taken at a wavelength of 360nm, where line emission of OH+ is placed. Strong plasma activity is visible around this already known dusty shells.
Both images are processed with an unsharp mask and logarithmically scaled, to show the bright and faint structures simultaneously.

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Max Planck Institut fuer Aeronomie