30 Cyg
30 Cyg
30 Cyg is a A-type (White) star located in the constellation Cygnus. It carries the designation 30 Cyg.
Located approximately 610.8 light-years from Earth, 30 Cyg resides within the broader disk of our Milky Way galaxy.
30 Cyg is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.80, 30 Cyg sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.100.
Physical Properties
| Spectral Class | Class A — A-type (White) |
| Color Index (B−V) | 0.100 |
Observation
| Apparent Magnitude | +4.80 |
| Absolute Magnitude | -1.56 |
| Distance | 611 ly |
| Constellation | Cygnus |
Position
| Right Ascension | 20h 13.30m |
| Declination | 46° 48.94′ |
Frequently Asked Questions
What type of star is 30 Cyg?
30 Cyg is a Class A — A-type (White) star.
How far is 30 Cyg from Earth?
30 Cyg is approximately 610.8 light-years from Earth.
Can you see 30 Cyg with the naked eye?
With an apparent magnitude of 4.80, 30 Cyg is visible to the naked eye.
What constellation is 30 Cyg in?
30 Cyg is located in the constellation Cygnus.