Altair

What this is

Altair is a fixed star the chart engine carries, at magnitude 0.76.

What it governs

The catalogue holds this star's position and its own motion, not a body of lore about it — a star's apparent place is its J2000 position carried forward and referred to the ecliptic of the date, exactly as a planet's is.

Correspondences

magnitude

0.76

right ascension

297.6958°

declination

8.8683°

proper motion

+536.82, +385.54 mas, yr