X-Ray view of cluster of galaxies A1367	Optical A1367 with X-Ray contours	Optical view of the Perseus cluster of galaxies	Wide-Angle X-Ray view of Perseus cluster
FIG. e-48	FIG. e-49	FIG. e-50	FIG. e-51
by: Smithsonian Institution	by: Smithsonian Institution	by: Smithsonian Institution	by: Smithsonian Institution
NGC 1275 in Perseus	NGC 1275 and A2199 in X-Rays	X-Ray deep survey in Draco	X-Ray deep survey in Eridanus
FIG. e-52	FIG. e-53	FIG. e-54	FIG. e-55
by: Smithsonian Institution	by: Smithsonian Institution	by: Smithsonian Institution	by: Smithsonian Institution
Optical counterparts of three Eridanus sources	Quasar 3C 273	End	.
FIG. e-56	FIG. e-57	FIG. e-58	.
by: Smithsonian Institution	by: Smithsonian Institution	by: Smithsonian Institution	.