21280+4305
- Unique Name: 21280+4305HO 160
- RA: 21 28 01.34
- Dec: +43 04 43.3
- Discoverer: HO
- Discoverer Number: 160
- Components:
- First year: 1886
- Last year: 2011
- Observations: 35
- First position angle: 171
- Last position angle: 182
- First separation: 1.9
- Last separation: 2.0
- Mag first component: 9.02
- Mag second component: 9.89
- Spectral type: F8
- Primary proper motion RA: 22
- Primary proper motion DEC: 0
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +42 4107
- Notes: