Alpha UMi – α UMi – Polaris – Double star in Ursa Minor

| Object | Alpha Ursae Minoris |
|---|---|
| Observed at | Dunaharaszti, HU, 2025-08-18 |
| NELM | ~ 4.5 |
| Aperture | 127 mm |
| Magnification | 103x |
| FOV | 0.66° |
| Objects | Alpha UMi A | Alpha UMi B |
|---|---|---|
| Fetched as | HD 8890 | |
| Desc. | Binary with a yellow main sequence supergiant primary | Main sequence star |
| RA | 02h 31m 47s † | |
| Dec | 89° 15’ 51” † | |
| Magnitude | 2.0 | 8.7 |
| Spectral class | F7Ib + F6V | F3V |
† fetched from astronomyapi.com