K-type star · orange

81 Aqr

495 lybrightness mag 6.23K5III

Also catalogued as HR 8757 · HD 217531 · HIP 113674

3,921 K

temperature

6.23

apparent magnitude

64.62× ☉

luminosity vs Sun

K5III

spectral type

Distance & comparison with our Sun

495 years

at light speed from Earth

0.68×

as hot as the Sun

64.62×

the Sun's light output

0.32

absolute magnitude

Explore from here · roam the neighborhood

81 AqrK-type

Sky regionAquariusthis direction

Nearest stars

HR 8645 →43 ly apart
HR 8951 →75 ly apart
HR 8530 →84 ly apart
HR 8751 →96 ly apart
50 Aqr →100 ly apart
93Psi2Aqr →100 ly apart

Bright stars in Aquarius

Sadalsuud →mag 2.9
Sadalmelik →mag 3.0
Skat →mag 3.3
55Zet1Aqr →mag 3.6
Safina →mag 3.7
73Lam Aqr →mag 3.7
Albali →mag 3.8
Sadachbia →mag 3.9

Can you see it tonight?

BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook toward Aquarius

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.