Mizar

What this is

Mizar is a fixed star the chart engine carries, at magnitude 2.23.

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

2.23

right ascension

200.9814°

declination

54.9254°

proper motion

+121.23, -22.01 mas, yr