20558+3905
- Unique Name: 20558+3905MLB 956
- RA: 20 55 50.47
- Dec: +39 05 11.2
- Discoverer: MLB
- Discoverer Number: 956
- Components:
- First year: 1934
- Last year: 2008
- Observations: 3
- First position angle: 114
- Last position angle: 115
- First separation: 4.6
- Last separation: 4.9
- Mag first component: 10.2
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA: 18
- Secondary proper motion DEC: -14
- Durchmusterung:
- Notes:
