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


122 quasars

4 visible with 4-inch telescopes

23 visible with 8-inch telescopes

78 visible with 12-inch telescopes

44 additional objects

objects have been selected according to their maximum magnitudes

contains only stellar objects; nonstellar objects are shown as galaxies