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[[17th Century|1604]] – German astronomer Johannes Kepler observes that an exceptionally bright star had suddenly appeared in the constellation. Ophiuchus, which turned out to be the last supernova to have been observed in our own galaxy, the Milky Way.
<noinclude>[[Category:On This Day|291]]</noinclude>
<noinclude>[[Category:On This Day|291]]</noinclude>
