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NGC 6064 = NGC 6052. Dreyer's note in the Scientific Papers includes the following comment: "H did not observe the nebula in the centre of the field, but applied a correction of -0.7 minutes of time, which appears to have been too small." In the 1912 Monthly Notices list of corrections, he adds, "The identity with 6052 is certain." WH's declination is the same as Marth's, whose RA is very good, too.
Synonyms: H III-140
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "vF, vS, r, verified with 240 power, N.p. a pretty bright star." Dreyer notes: "Not found by Bigourdan. Is no doubt = NGC 6052. H. did not observe the neb. in the centre of the field but applied a correction .. which appears to have been too small."
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads =6052 DC.
The Messier objects
The Bennett objects
The Caldwell list
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