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Constellations

All 88 official constellations: their stories, their brightest stars, and real star maps for every one.

Best placed this month (October): Piscis AustrinusGrusPegasusCepheusAquariusOctans
All skies Northern Southern
Best month: Any Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

8 constellations shown. “Best month” = when it sits highest around 9 pm; zodiac constellations are marked ☉ (and see the note below on astronomy vs astrology).

The sky around Antlia
Antlia The Air Pump Southern · best April · Alpha Antliae
The sky around Chamaeleon
Chamaeleon The Chameleon Southern · best April · Alpha Chamaeleontis
Star map of Crater
Crater The Cup Southern · best April · Delta Crateris
Star map of Hydra
Hydra The Water Snake Southern · best April · Alphard
Star map of Leo
Leo ☉ The Lion Both · best April · Regulus
Star map of Leo Minor
Leo Minor The Little Lion Northern · best April · Praecipua
Star map of Sextans
Sextans The Sextant Both · best April · Alpha Sextantis
Star map of Ursa Major
Ursa Major The Great Bear Northern · best April · Alioth

Photographs show each constellation’s own patch of sky. Where no free photograph exists, the map is drawn from real star positions and magnitudes.

Photo credits

Antlia, Chamaeleon: Till Credner (CC BY-SA 3.0, via Wikimedia Commons).

☉ Astronomy vs astrology: constellations are real regions of sky, mapped and measured. Astrology (predicting personality or events from them) is a belief system, not a science; the Atlas covers the zodiac constellations as astronomy and history only.