Keep the sky close

Add Celest to your Home Screen and open your astronomy calendar in one tap.

The automatic install prompt is not available right now. You can use your browser's menu instead.

  1. Look for Install in your browser

    In Chrome or Edge, use the install icon in the address bar or the browser menu. In Safari on Mac, choose File → Add to Dock.

  2. Confirm Add or Install

    If your browser does not offer installation, you can bookmark Celest instead.

Your astronomical calendar for the night sky

Open the calendarScroll for the story

From the city, a handful of stars.

From a dark place, the Milky Way.

Can you see the Milky Way tonight?

Bucharest, tonight

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Checking your sky…
  • Clouds—
  • Moonlight—
  • Light pollution—
Lower is betterSee tonight's full sky

When is the next full Moon?

See the Moon's phases

New Moon · 0% lit

See the Moon's phases

Can you find Orion tonight?

Open the live sky map
The Orion NebulaA nursery of new stars, 1,344 light-years away.Explore the deep sky

What's new in the night sky

Read all articles
  1. Spica: Two Hot Stars That Reflect Each Other’s Light3 Nov 2026 · 5 min read
  2. Stargazing Without a Telescope: Your First Clear Look3 Nov 2026 · 4 min read
  3. Camelopardalis Constellation: A Cascade of Stars3 Nov 2026 · 5 min read
  4. Milky Way: Our Galaxy Seen From Within3 Nov 2026 · 5 min read
  5. Equuleus Constellation: A Small Pattern With Stellar Rhythms3 Nov 2026 · 4 min read