Sadr (Gamma Cygni) (Apr 25, 2004)
Type:
Super giant star (Class F8)
Brightness:
2.26 mag (var. 2.15 - 2.26)
Distance:
1500 ly
Colour:
yellow-white
Luminosity (Sun = 1):
65,000 x
Mass (Sun = 1):
12 x
Temperature:
6,300 degrees approx.
Diameter:
-
Notes:
Sadr is one of the rare white giant stars in the Milky Way.

Celestron Newton 200/1000, Nikon Coolpix 4500

You can take a look at the real relations
between the sizes of selected stars by clicking here.

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