Star profile

47 Cygni

Highly luminous star

3D likeness based on its real data · class K · ~4,200 K

What is 47 Cygni

47 Cygni is an orange supergiant lost among the Swan's feathers, about 2,760 light-years away. Its light, already ancient by the time it reaches our telescopes, travelled for centuries before crossing paths with Earth. A luminous K-type star —vast, cool at the surface, yet able to outshine hundreds of suns when measured by sheer power.

Where it is and when to see it

47 Cygni lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is August, when it culminates around midnight.

From London it culminates about 74° above the horizon.
From New York it culminates about 85° above the horizon.
From Sydney it culminates about 21° above the horizon.

It can be seen from anywhere north of 55° S.

It ranks no. 27 in brightness among the 137 stars of Cygnus in our catalogue. To find it, start from Deneb, the brightest: it lies about 10° away (a fist at arm's length covers about 10°).

The light you see today left it about 2,800 years ago.

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Astronomical data for 47 Cygni

Constellation: Cygnus
Apparent magnitude: 4.61
Distance: 2764.4 light years
Coordinates (J2000): RA 308.476° · Dec 35.251°
Catalogue: HIP 101474 · HD 196093

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Other stars in Cygnus

Cygnus has 137 stars in Stelvia's catalogue. Here are a few of them.

See all 137 stars in Cygnus