M-type star · red

20Nu 1CrB

641 lybrightness mag 5.20M2III

Also catalogued as HR 6107 · HD 147749 · HIP 80197

3,607 K

temperature

5.20

apparent magnitude

280× ☉

luminosity vs Sun

M2III

spectral type

Distance & comparison with our Sun

641 years

at light speed from Earth

0.62×

as hot as the Sun

280×

the Sun's light output

-1.27

absolute magnitude

Explore from here · roam the neighborhood

20Nu 1CrBM-type

Sky regionCorona Borealisthis direction

Nearest stars

21Nu 2CrB →47 ly apart
HR 6046 →52 ly apart
HR 5983 →56 ly apart
HR 6110 →57 ly apart
18Ups CrB →61 ly apart
HD 145957 →88 ly apart

Bright stars in Corona Borealis

Alphecca →mag 2.2
Nusakan →mag 3.7
8Gam CrB →mag 3.8
4The CrB →mag 4.1
13Eps CrB →mag 4.1
10Del CrB →mag 4.6
7Zet1CrB →mag 4.6
16Tau CrB →mag 4.7

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.2To see it no equipment neededLook toward Corona Borealis

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.