Facts and figures

Stars (totals)

Double stars

Variable stars

Stars with exoplanets

Deep sky objects altogether

Open clusters

Globular clusters

Asterisms

536 asterisms

these are not physical objects but are perceptible visually

their size must exceed 5'

recent data from Deep Sky Hunters' list

Star clouds

Planetary nebulae

Galactic nebulae

Dark nebulae

Galaxies

Groups of galaxies

Clusters of galaxies

Quasars