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