02091+5104
- Unique Name: 02091+5104STF 213AB
- RA: 02 09 08.84
- Dec: +51 04 24.1
- Discoverer: STF
- Discoverer Number: 213
- Components: AB
- First year: 1832
- Last year: 2012
- Observations: 23
- First position angle: 320
- Last position angle: 324
- First separation: 2.0
- Last separation: 1.8
- Mag first component: 9.06
- Mag second component: 9.5
- Spectral type: B9
- Primary proper motion RA: 2
- Primary proper motion DEC: -3
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -3
- Durchmusterung: +50 459
- Notes: N