Thread: Happy birthday … Kepler’s Supernova
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Old 17-10-2007, 03:27 PM
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okiscopey (Mike)
Rocky Peak Observatory

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Location: Kandos NSW
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Happy birthday … Kepler’s Supernova
407 years old today! Well, the discovery date anyway, the real thing was 20,000 years ago.

http://www.seds.org/~spider/spider/Vars/sn1604.html
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