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RA: 22h 31m 44.5s
Dec: +30° 58′ 46″
Ch: MSA:1165, U2:123, SA:9
Ref: Corwin (2004)
Type: not exist
Mag: B=?, V=?
NGC 7304 does not exist. It was seen only once by d'A who put it 137 arcsec away from NGC 7303. He looked for it the second time that he observed N7303, but could not find it again. There are no objects, not even single stars, in the area where d'A put it that one night.
For a while, I thought that the asterism of three stars 168 arcsec northeast of N7303 might be d'A's object, but these are very faint stars. Observing the area with a telescope larger than d'A's, Bigourdan tried and failed on three nights to find N7304. Dreyer, using the largest telescope in the world, could not find N7304 in spite of having "... looked most attentively for..." it. All the observers had no problems with NGC 7303 (which see for more).
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF S.
The Messier objects
The Bennett objects
The Caldwell list
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