Star profile
27 Cygni
Variable starWhat is 27 Cygni
27 Cygni lies surprisingly close, 78 light-years away, in the heart of the Northern Cross. It is an orange K-type variable: its brightness shifts slowly, in subtle rhythms that only modern instruments like Hipparcos managed to characterize. Its light set out around the founding of ESA. A cosmic neighbor with its own breathing, hidden in the luminous current of the Milky Way.
Where it is and when to see it
27 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 20° above the horizon.
It can be seen from anywhere north of 54° S.
It ranks no. 67 in brightness among the 137 stars of Cygnus in our catalogue. To find it, start from Deneb, the brightest: it lies about 11° away (a fist at arm's length covers about 10°).
The light you see today left it about 78 years ago.
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Astronomical data for 27 Cygni
- Constellation
- Cygnus
- Apparent magnitude
- 5.38
- Distance
- 78.1 light years
- Coordinates (J2000)
- RA 301.591° · Dec 35.972°
- Catalogue
- HIP 99031 · HD 191026
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Other stars in Cygnus
Cygnus has 137 stars in Stelvia's catalogue. Here are a few of them.
- DenebAlpha Cygni1.25
- SadrGamma Cygni2.23
- AljanahEpsilon Cygni2.48
- 70 Cygni5.30
- HIP 962885.34
- 60 Cygni5.38
- 9 Cygni5.39
- 51 Cygni5.41