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Arp 178 is the last of the class Narrow Counter-Tails. Dr. Arp's Atlas
note was "ring off center, broad ejected plume from condensation in ring".
I assume the star-like object at the base of the plume is the condensation he
meant. The primary is NGC 5614 and the plume got an NGC number, 5615.
The beautiful double-ring galaxy north of the plume is NGC 5613. The
negative and especially the false color images show the full extent of the plume
and the detail of the faint outer ring. Also note the spirals of
absorption around the core of the primary. The very small galaxy about 4 minutes west of Arp
178 is NGC 5609. There are three Mitchell Anonymous galaxies at the top of
the field. The little galaxy about 6 minutes east of Arp 178 has a 2MASX
number but is not in any other catalog. Notice the chain of tiny galaxies
about 4 minutes east of Arp 178. One, maybe two, could be foreground
stars. The largest seems to have a 2MASX number but none of the others do,
and the group appears to be completely anonymous.
Atlas Image
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