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

508 groups of galaxies

consist of at least 2 (Arp), 3 or 4 (Hickson) objects

contains complete Arp, Hickson, Klemola catalogs

contains a selection of Shakhbazian groups within reach of visual observation

Clusters of galaxies