Sep 3/4, 1980
The many HII-region candidates in NGC 255
are unresolved at the 1" level. Individual
brightest stars may begin to resolve at about
B = 22.5. The redshift is v_o = 1726 km/s.
Sand - Sc
vdB - Sb^+^nII:
Morg - gS3(B)
deV - SAB(rs)bc
Pet - SBbc
Photo: P.A.S.P., 43, 371.
Redshift = +1,978 km/sec
Cp' = 0.53.
Small, very bright elongated nucleus.
Many branching, extremely faint outer arms
0.75 arcmin x 0.55 arcmin.
P.A.S.P., 43, 351, 1931.
HMS Note No. 008
Absorption lines broad and indistinct.
Nearly round; 1' in diameter; sharp nucleus; a rather compact spiral.