Ephemeris

Definition

An ephemeris is a table or data set of calculated celestial positions at specified times. Traditionally it was printed; Lunaire computes the same reference live, and every current-sky reading begins there.

A real example

From the computed sky

The astronomy is being calculated now.

See today’s sky

The ephemeris is Lunaire’s ledger of the real sky — the quiet arithmetic beneath every painted sentence.

You’re exploring the glossary. The example follows the real sky.