20556+3912
- Unique Name: 20556+3912SEI1319
- RA: 20 55 37.97
- Dec: +39 12 09.6
- Discoverer: SEI
- Discoverer Number: 1319
- Components:
- First year: 1895
- Last year: 2008
- Observations: 3
- First position angle: 72
- Last position angle: 70
- First separation: 29.6
- Last separation: 32.1
- Mag first component: 10.7
- Mag second component: 10.8
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: NX