66Ups Cyg
66Ups Cyg
66Ups Cyg is a B-type (Blue-White) star located in the constellation Cygnus. It carries the designation 66Ups Cyg.
Located approximately 642.0 light-years from Earth, 66Ups Cyg resides within the broader disk of our Milky Way galaxy.
66Ups Cyg is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.41, 66Ups 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 hue, which corresponds to a B-V color index of -0.103.
Physical Properties
| Spectral Class | Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.103 |
Observation
| Apparent Magnitude | +4.41 |
| Absolute Magnitude | -2.06 |
| Distance | 642 ly |
| Constellation | Cygnus |
Position
| Right Ascension | 21h 17.92m |
| Declination | 34° 53.81′ |
Frequently Asked Questions
What type of star is 66Ups Cyg?
66Ups Cyg is a Class B — B-type (Blue-White) star.
How far is 66Ups Cyg from Earth?
66Ups Cyg is approximately 642.0 light-years from Earth.
Can you see 66Ups Cyg with the naked eye?
With an apparent magnitude of 4.41, 66Ups Cyg is visible to the naked eye.
What constellation is 66Ups Cyg in?
66Ups Cyg is located in the constellation Cygnus.