Bright star
Arcturus
A bright point in the sky, with a position that changes as the Earth turns.
Explore Arcturus in Sky Timeline →Preview: Barcelona · 12 Nov · 22:00. Change your location in Sky Timeline.
Recognising Arcturus
Begin with its surrounding star pattern, then use Sky Timeline to check its direction and height. A star below the horizon cannot be brought into the real sky by zooming or changing the camera.
- Catalogue apparent magnitude
- -0.04
- Right ascension · J2000
- 14.261 hours
- Declination · J2000
- 19.183°
- Catalogue identifier
- HR 5340
Catalogue coordinates are reference values. The displayed sky adjusts for precession and nutation; proper motion is not modelled.
Yale Bright Star Catalogue data ↗Explore another night
Visibility changes with place, season and time. Move through the night to see the object rise, cross the sky and set, while weather remains a separate estimate.
Open this sky → · Calculations and limitations