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Categories

Ophiuchus
Principal Galaxies Catalogue objects
IC objects
NGC objects
UGC objects
Peculiar galaxies
Astronomical objects discovered in 1871
Discoveries by Édouard Stephan
Galaxy mergers
Irregular galaxies
Luminous infrared galaxies

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NGC 6240

Seyfert galaxy

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Timeline of black hole physics

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Ophiuchus

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Starfish galaxy

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