09212+2728
- Unique Name: 09212+2728HJ 810AC
- RA: 09 21 12.70
- Dec: +27 27 59.6
- Discoverer: HJ
- Discoverer Number: 810
- Components: AC
- First year: 1827
- Last year: 2009
- Observations: 17
- First position angle: 45
- Last position angle: 26
- First separation: 20.0
- Last separation: 22.2
- Mag first component: 10.47
- Mag second component: 10.7
- Spectral type: K0
- Primary proper motion RA: -36
- Primary proper motion DEC: -41
- Secondary proper motion RA: -48
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: