30 Oph
30 Oph
30 Oph is a K-type (Orange) star. It carries the designation 30 Oph.
Located approximately 405.2 light-years from Earth, 30 Oph resides within the broader disk of our Milky Way galaxy.
30 Oph is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +4.82, 30 Oph 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 red hue, which corresponds to a B-V color index of +1.483.
Physical Properties
| Spectral Class | Class K — K-type (Orange) |
| Color Index (B−V) | 1.483 |
Observation
| Apparent Magnitude | +4.82 |
| Absolute Magnitude | -0.65 |
| Distance | 405 ly |
Position
| Right Ascension | 17h 1.06m |
| Declination | -4° 13.36′ |
Frequently Asked Questions
What type of star is 30 Oph?
30 Oph is a Class K — K-type (Orange) star.
How far is 30 Oph from Earth?
30 Oph is approximately 405.2 light-years from Earth.
Can you see 30 Oph with the naked eye?
With an apparent magnitude of 4.82, 30 Oph is visible to the naked eye.