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Proper Name	None
Bayer Designation	None
Flamsteed Number	19 Cygni
HR (BSC)	7566
HD	187849
Variable Designation	V1509 Cygni
Constellation	Cygnus
Right Ascension	19h 50m 34s
Declination	+38° 43' 21"
Distance	714 light years 219 parsecs
Magnitude	Apparent: +5.19 Absolute: -1.51
Spectral Class	M2IIIa red giant
Optimum Visibility	July / August
Notes	A red giant star more than seven hundred light years from the Solar System, with a distant binary companion orbiting at some 12,000 AU from the primary star. 19 Cygni is a long-period variable, whose brightness can change by nearly a third of a magnitude as seen from Earth.

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