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RA: 17h 55m 59.7823s
Dec: +18° 20′ 17.669″
Ch: MSA:1225, U2:159, SA:15
Type: galaxy (AGN LINER-type), Sa
Mag: B=13.4, V=?
Size: 2.187′ x 1.412′
Synonyms: H III-957
Discovered in 1799 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "Two [NGC 6500 & NGC 6501] both vF, vS; place that of the following one, preceding one about 4' more south and 5 or 6 seconds preceding."
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.5 mag galaxy. Their coded description reads SLEL,DKPCHS,FDIFHALO RI *FLD.
15cm - SWrn & fntr of two w/-01 in same fld as ADS10905. elong NE-SW, 2'x0'.6,
the halo spindly. core oval and much brtr than halo. core is uniformly
br but contains *ar nuc. * at threshold at NE tip. BS, 27Jun1989,
The Messier objects
The Bennett objects
The Caldwell list
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