Galaxies 2 Galaxies: groups: generals All-sky 1 Catalog 1 Clustering algorithms 1 Clusterings 1 Cosmology 1 Galactic latitude 1 Galaxies active 1 Galaxies jets 1 Galaxies: active 1 Galaxies: groups: general 1 Galaxies: jets 1 Galaxy clustering 1 Intergalactic medium 1 Large-scale structure 1 Methods. Data analysis 1 Methods:statistical 1 Morphology 1 Near-IR 1 Radio astronomy 1 Radio continuum: galaxies 1 Radio galaxies 1 Structure (composition) 1 Surface brightness 1 Symmetrics 1 Voronoi tessellations 1 Wide strips 1 catalogues 1 galaxies: groups: general 1