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Description:
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NGC 4631 is a huge edge-on spiral galaxy, which is apparently distorted by its small elliptical companion, NGC 4627. This pair has been included in Arp's Catalog of Peculiar Galaxies as Arp 281. Rich field telescopes show it in one field with its large, heavily distorted companion, NGC 4656; this galaxy seems to have interacted massively with NGC 4631: there's a bridge of hydrogene gas connecting both galaxies.
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