ACO 3341

Cluster of Galaxies RXCJ0937.9-2020

Cluster of Galaxies RXCJ1131.9-1955

Distant Cluster MS 1008.1-1224

Deep Image of a Region in Fornax

Zoom-in on the Einstein Ring on a Region in Fornax

Massive Cluster of Galaxies RXCJ1206.2-0848

XMM-Newton Contour Map Overlaid on a CFHT I-band image

Intracluster Nebulae in Virgo Cluster of Galaxies

Sky Field in Virgo Cluster of Galaxies

Zoom-in on a Possible Cluster of Galaxies (in box)

False Colour Image of XMMU J2235.3-2557

Discovery X-Ray Image of the Distant Cluster

Faint, Distant Cluster of Galxies

Galaxy Cluster Abell 370

Galaxy Cluster Abell 370

Cluster of Galaxies-1ESO657-55 (g-band)

ESO Imaging Survey Provides Targets for the VLT

FORS1 First Light - Distant cluster of galaxies

FORS1 First Light - Distant cluster of galaxies

Galaxy Cluster CL2244-02 with Gravitational Arcs

Centre of Galaxy Cluster MS1008.1-1224

Cluster of Galaxies-1ESO657-55

Galaxy Cluster MS1008.1-1224

Cluster of galaxies CL0053-37 in NGC 300 field

Very Distant Galaxy Cluster EIS0046-2930

View Towards the Great Attractor

Cluster of Galaxies Abell 496

Detail of a View Towards the Great Attractor

Detail of the Cluster of Galaxies Abell 496

Cluster of Galaxies Abell 548

Celestial Objects in the Capodimonte Deep Field

Galaxy Cluster in the Capodimonte Deep Field

Galaxy Cluster in the Capodimonte Deep Field

Messier 87 in the Virgo Cluster

Planetary Nebulae in and around Messier 87

The Virgo Cluster

Gigantic structure of galaxies

Gigantic structure of galaxies