K-type star · orange

HR 2303

HR 2303 is an orange in the constellation Canis Major 1,463 ly from Earth. Its surface is about 3,743 K, about 0.6 times the Sun's surface temperature, and it shines at 544× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,463 years ago.

1,463 lybrightness mag 6.27K2/K3III

Also catalogued as HD 44891 · HIP 30420

3,743 K
temperature
6.27
apparent magnitude
544× ☉
luminosity vs Sun
K2/K3III
spectral type
Distance & comparison with our Sun
1,463 years
at light speed from Earth
0.65×
as hot as the Sun
544×
the Sun's light output
-1.99
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Canis Major

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.