The Messier 6 star cluster: An optical image of the Messier 6 star cluster, also known as the "Butterfly cluster", from ...University of Vienna
The IC 2391 star cluster: An optical image of the IC 2391 star cluster, also known as the "Omicron Velorum cluster", fro...University of Vienna
The Collinder 135 star cluster: An optical image of the Collinder 135 star cluster from the second Digitized Sky Survey ...University of Vienna
The NGC 2547 star cluster: An optical image of the NGC 2547 star cluster from the second Digitized Sky Survey (DSS-II). ...University of Vienna
The IC 2602 star cluster: An optical image of the IC 2602 star cluster, also known as the "Southern Pleiades", from the ...University of Vienna
