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RA: 14h 27m 49.7s
Dec: +08° 14′ 29″
Ch: MSA:743, U2:197, SA:14
Ref: NGC/IC, Corwin (2004)
Type: stars (two)
Mag: B=?, V=?
NGC 5621 is two 16th magnitude stars with a 19th magnitude star just to the north. There is nothing in WH's position, but JH's position -- used in the GC and NGC -- is within his usual errors of the double star.
Synonyms: H III-014
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "eF, vL, not verified ... I suspect an almost imperceptible cluster of stars or nebulosity. ... or large faint nebula or nebulosity." Dreyer notes that it was not found by Bigourdan twice, and this is now assumed to be h 1807, described by Bigourdan as "suspected eF neby. 3' in diam."
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NF TOMATCH DESCRIP S.
The Messier objects
The Bennett objects
The Caldwell list
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