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RA: 16h 05m 37.95s
Dec: +17° 46′ 2.2″
Ch: MSA:1230, U2:155, SA:15
Ref: SIMBAD, NGC/IC
Type: galaxy (in cluster), E
Mag: B=15.3, V=14.3
Size: 0.8′ x 0.4′
NGC 6054 = IC 1183. Swift notes that the neighboring star is south preceding, not south following. This points at IC 1183 as the galaxy that received the number 6054 in the NGC. In support of this, IC 1183 is considerably brighter and has a higher surface brightness than the spiral that is usually taken as NGC 6054. Bigourdan did not see the spiral, either, so the identity is virtually certain.
Listed as No. 272 in Arp's "Atlas of Peculiar Galaxies" (Astrophysical Journal Supplement, vol. 14, 1966.) He remarks "arms join at dense knot or nucleus. Hercules cluster."
The RNGC (Sulentic and Tifft 1973) notes that this is a 15.5 mag galaxy. Their coded description reads SB,R,MBBAR,FDIFWDAMS.
Buta & Corwin (1986, Ap.J.Supp 62, p255-281) lists NGC 6054 as a member of the Hercules Supercluster (CGCG Field 108).
Corwin (1971, Pub. Astron. Soc. Pacific, Vol 83) gives the dimensions as 40x23 arcseconds. He notes: "The NGC notes a star south preceding. The star is actually one minute of arc south following. The NGC note is, therefore, either a misprint or the object may be identical with IC 1183 (which has a short jet to the preceding) for which the star is south preceding."
The Messier objects
The Bennett objects
The Caldwell list
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