northern skyBest Jun
Boötes
The Herdsmangen. Boötis
- Brightest
- Arcturus
- Stars
- 150
- Best viewed
- June
- Sky center
- 217.5°, +30.0°
Alpha Boötis
in catalog
from mid-latitudes
RA / Dec
Live 3D view
150 stars
pinch · drag
α · Brightest
Arcturus
Mythology
The herdsman driving the Great Bear around the pole. Arcturus — 'bear guardian' in Greek — is the brightest star in the northern celestial hemisphere and moves toward us at 140 km/s, crossing the sky in a few thousand years.
Brightest stars
top 8 of 150| Star | Bayer | Magnitude | B−V |
|---|---|---|---|
Arcturus | 16Alp Boo | -0.05 | 1.24 |
Izar | 36Eps Boo | 2.35 | 0.97 |
Muphrid | 8Eta Boo | 2.68 | 0.58 |
Seginus | 27Gam Boo | 3.04 | 0.19 |
49Del Boo | — | 3.46 | 0.96 |
Nekkar | 42Bet Boo | 3.49 | 0.96 |
25Rho Boo | — | 3.57 | 1.30 |
30Zet Boo | — | 3.78 | 0.04 |
- Arcturus16Alp Boo-0.05mag
- Izar36Eps Boo2.35mag
- Muphrid8Eta Boo2.68mag
- Seginus27Gam Boo3.04mag
- 49Del Boo3.46mag
- Nekkar42Bet Boo3.49mag
- 25Rho Boo3.57mag
- 30Zet Boo3.78mag
Lower magnitude = brighter. B−V color index maps to star color (bluer cooler, redder warmer).