Facts and figures

Stars (totals)

Double stars

Variable stars

Stars with exoplanets

Deep sky objects altogether

Open clusters

Globular clusters


Star clouds

Planetary nebulae

Galactic nebulae

Dark nebulae


Groups of galaxies

Clusters of galaxies

117 clusters of galaxies

consist of at least 10 members

contains all Abell clusters with members brighter 13 mag

includes a selection of more difficult clusters