eso_eso0832b September 25th, 2008
Credit: ESO
Colour image of the Circinus Galaxy based on ESO SuSI New Technology Telescope data obtained in April 1993, that is, about three years before the supernova exploded. The observations were made through different narrow-band filters (ionised hydrogen, ionised oxygen, and ionised iron).
Provider: European Southern Observatory
Image Source: https://www.eso.org/public/images/eso0832b/
Curator: European Southern Observatory, Garching bei München, Germany
Image Use Policy: Creative Commons Attribution 4.0 International License
Detailed color mapping information coming soon...
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