20560+3643
- Unique Name: 20560+3643SEI1320
- RA: 20 56 00.27
- Dec: +36 42 49.8
- Discoverer: SEI
- Discoverer Number: 1320
- Components:
- First year: 1896
- Last year: 2002
- Observations: 6
- First position angle: 69
- Last position angle: 64
- First separation: 12.6
- Last separation: 13.8
- Mag first component: 11.34
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -9
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: