20505+3635
- Unique Name: 20505+3635SEI1271AB
- RA: 20 50 27.35
- Dec: +36 35 06.6
- Discoverer: SEI
- Discoverer Number: 1271
- Components: AB
- First year: 1896
- Last year: 2002
- Observations: 6
- First position angle: 30
- Last position angle: 27
- First separation: 14.4
- Last separation: 14.5
- Mag first component: 10.59
- Mag second component: 11.1
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -7
- Durchmusterung: +36 4270
- Notes: