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RA: 21h 56m 9.72s
Dec: −49° 31′ 17.2″
Ch: MSA:1468, U2:413, SA:23
Ref: SIMBAD, Corwin
Type: galaxy, SB0
Mag: B=12.83, V=11.83
Size: 1.995′ x 1.584′
NGC 7155 = IC 5143, which see.
Discovered by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "pB, S, R, gbM, 15 arcseconds." On a second occassion he called it "pB, S, lE, psmbM, 20 arcseconds."
"Survey of bright galaxies south of -35° declination", Mem. Mount Stromlo, No. 13. (photographic study, plates taken with the 30-inch Reynolds reflector, 20-inch diaphragm).
Sandage (1975(Astrophysical Journal, 202, 563-582) notes that this galaxy is a member of the NGC 7144 Triplet. Members include NGC 7144, NGC 7145 & NGC 7155.
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy.
15cm - mod f & sm @ 80x. 140x: circ, 30" diam w/mod-strong even concen to f
*ar nuc. BS, 10Nov1993, LCO.
16-inch f/10 SCT (127x, 290x, 462x)
Round, faint between stringy 11 magnitude stars, which form a nice round sling to the north. A 7.5 magnitude yellow star 14' to the SE.
The Messier objects
The Bennett objects
The Caldwell list
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