02289+7721
- Unique Name: 02289+7721HJ 2129
- RA: 02 28 57.37
- Dec: +77 19 18.2
- Discoverer: HJ
- Discoverer Number: 2129
- Components:
- First year: 1831
- Last year: 2003
- Observations: 6
- First position angle: 159
- Last position angle: 156
- First separation: 10.0
- Last separation: 17.3
- Mag first component: 9.92
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: 3
- Secondary proper motion RA: 9
- Secondary proper motion DEC: 1
- Durchmusterung: +76 79
- Notes: