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Type: galaxy, S0
Mag: B=12.9, V=12
Size: 2.3′ x 1.7′
NGC 5869. See NGC 5871.
Synonyms: H II-545
Discovered on February 24, 1785 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pB, S, iE, lbM." The Notes to the Second Catalogue read: "In Sweep 727, April 11, 1787, H. saw two nebulae, both described as pB, S, iE, . . . noting one was = II.545. This agrees with d'Arrest and Bigourdan, but the north one is not pB but eF. Perhaps the description of the south one was by a mistake given twice. NGC 5865 = NGC 5868. Only one seen at Birr Castle and by h."
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads =5865 S.
The Messier objects
The Bennett objects
The Caldwell list
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