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[[18th Century|1773]] – The Whirlpool Galaxy is discovered by Charles Messier.<br />
[[19th Century|1892]] – Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means.
<noinclude>[[Category:On This Day|287]]</noinclude>
[[19th Century|1892]] – Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means.
<noinclude>[[Category:On This Day|287]]</noinclude>
