Alkaid

What this is

Alkaid is a fixed star the chart engine carries, at magnitude 1.85.

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

1.85

right ascension

206.8852°

declination

49.3133°

proper motion

-121.23, -15.56 mas, yr