587731911500562550   52641-0901-209  -- a starforming spiral 587731681733640336 Mz=-20.4 720kpc away, much fainter SF dIrr (Mz=-17.6, 587731911500562780) 220kpc away, some even fainter objects around (400-500kpc)
587731185123918068   51792-0380-087  -- a spiral Mz=-20.1 (not in SDSS, 587731185123983492) 110kpc away; another spiral Mz=-20.0 (587731185123917977) 210kpc away; a fainter SF dwarf even closer; faint [NII] lines in the target
588017625085706416   53084-1375-219  -- in a group with the brightest member having M_z=-21.6 (4.4 arcmin = 150kpc)
587724649255665930   52056-0329-175  -- a SF spiral of comparable luminosity Mz=-19.4 nearby (50kpc); faint emission lines [OIII], [NII] -- probably not a cE
587733081347653709   52734-1015-582  -- NO HOST nearby
588017116664234081   53108-1394-524  -- a brighter spiral companion, Mz=-20.3 (3.8 arcmin = 145kpc); faint envelope visible in SDSS images -- not a cE
587729158982861117   52026-0593-372  -- a group with 2 massive Es: Mz=-23.0 (587726101491613906) 340kpc away and Mz=-23.2 (587726101491679322) 460kpc, vr in between the two (+/-200km/s); a bit fainter E Mz=-21.8 (587729158982861073) 130kpc away; kinda extended and rather bright object
588015507664273553   51913-0394-206  -- a late type spiral nearby (not in SDSS, Mz=-21, 7.3 arcmin=280kpc, dV=-250km/s); low metallicity (-0.43)
588017721188090057   53091-1464-483  -- NO HOST, on the top of a rich distant cluster, weak emission lines, star formation, intermediate age, no companions
587726032244179090   52381-0510-034  -- a giant E Mz=-22.6 1.9Mpc away dvr=-810km/s
587732577239761118   52723-1004-016  -- a giant E Mz=-23.3 240kpc away
587732135915094290   52338-0874-439  -- a giant S with recent merger traces (dust, asymmetry) Mz=-22.9 1.5Mpc away; a close satellite or a FG star nearby
587736523762696346   53499-1826-130  -- a late type spiral nearby, Mz=-20.7 (4.6arcmin = 300kpc); kinda extended

587734691426795641   52724-1195-587  -- NO HOST, stong emissions, not a cE