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19 Cygni

V1509 Cygni

Proper NameNone
Bayer DesignationNone
Flamsteed Number19 Cygni
HR (BSC)7566
HD187849
Other designationsV1509 Cygni
ConstellationCygnus
Right Ascension19h 50m 34s
Declination+38° 43' 21"
Distance714 light years
219 parsecs
MagnitudeApparent: +5.2
Absolute: -1.4
Spectral ClassM2IIIa Red Giant
Optimum VisibilityJuly / August
NotesA 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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