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NGC 6191
NGC 6191
History and Accurate Positions for the NGC/IC Objects (Corwin 2004)
NGC 6191 is not to be found at its nominal place. There are several other bright galaxies in the area, however, that Swift might have picked up. Possibilities include NGC 6187, N6189, or N6190. N6187 has the two stars preceding that Swift noted in his description, but it is the faintest and smallest galaxy of the candidates. In addition, it has a bright star (SAO 29975) 3.5 arcmin north that Swift surely would have noted.
N6189 fits Swift's description best -- though the two stars are following rather than preceding as Swift notes them -- but is 50 arcmin north of his position. N6190 is 20 arcmin south, and forms a rather large equilateral triangle with two stars west and northwest.
Another possibility is UGC 10271. That is 20 min 30 sec preceding Swift's position, matches his declination and description, and has the two stars preceding. If that is the galaxy Swift saw, he clearly made a transcription error in his RA.
All in all, several candidates, but no clear winner.
Published comments
Sulentic & Tifft (1973)
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF S.
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Favourite lists
Lacaille's catalogue
The Messier objects
Dunlop's catalogue
The Bennett objects
The Caldwell list
Named DSOs
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