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Saturday, December 31, 2016

Horsehead Nebula in Hydrogen-alpha emissions [OC][5333x3000] via...



Horsehead Nebula in Hydrogen-alpha emissions [OC][5333x3000] via /r/spaceporn http://ift.tt/2iPdBYL



via Tumblr http://ift.tt/2iswOD1

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