20089+3905
- Unique Name: 20089+3905MLB 770
- RA: 20 08 54.46
- Dec: +39 04 58.8
- Discoverer: MLB
- Discoverer Number: 770
- Components:
- First year: 1932
- Last year: 2002
- Observations: 2
- First position angle: 289
- Last position angle: 284
- First separation: 4.5
- Last separation: 6.0
- Mag first component: 10.49
- Mag second component: 13.5
- Spectral type: A
- Primary proper motion RA: 3
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 3920
- Notes: