20550+3929
- Unique Name: 20550+3929SEI1311
- RA: 20 55 03.26
- Dec: +39 28 48.9
- Discoverer: SEI
- Discoverer Number: 1311
- Components:
- First year: 1892
- Last year: 2008
- Observations: 6
- First position angle: 250
- Last position angle: 247
- First separation: 8.9
- Last separation: 8.9
- Mag first component: 11.04
- Mag second component: 11.1
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 0
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: N