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NGC 4910 may possibly be NGC 4845. There is nothing in WH's place, and Dreyer quotes WH's note in the Scientific Papers: "The place of this neb. is not determined with accuracy." Dreyer adds, "No modern observations known."
WH refered two other nebulae -- NGC 4420 and NGC 4772 -- to the same comparison star (75 Leo). For N4772, Dreyer notes, "RA 40 seconds too great." This suggests that WH's RA for N4910 might also be too large. In that case, NGC 4845 would be a candidate for WH's object. It is a large galaxy at about the right declination. However, WH describes his nebula as "eF, vL, er, R. 7 or 8 arcmin d[iameter]." N4845 is not quite that large, nor is it round. It is, however, the only reasonable candidate, so I've adopted the identity, though with a query.
Synonyms: H V-003
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF DC.
Lacaille's catalogue
The Messier objects
Dunlop's catalogue
The Bennett objects
The Caldwell list
Named DSOs
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