20510+3717
- Unique Name: 20510+3717SEI1277
- RA: 20 50 56.31
- Dec: +37 16 54.1
- Discoverer: SEI
- Discoverer Number: 1277
- Components:
- First year: 1896
- Last year: 2010
- Observations: 8
- First position angle: 22
- Last position angle: 32
- First separation: 9.3
- Last separation: 8.0
- Mag first component: 10.7
- Mag second component: 10.9
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: 0
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: N