20540+3459
- Unique Name: 20540+3459SEI1303
- RA: 20 53 59.14
- Dec: +34 58 55.0
- Discoverer: SEI
- Discoverer Number: 1303
- Components:
- First year: 1896
- Last year: 2010
- Observations: 8
- First position angle: 136
- Last position angle: 139
- First separation: 21.2
- Last separation: 20.8
- Mag first component: 10.68
- Mag second component: 11.13
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -21
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -22
- Durchmusterung: +34 4202
- Notes: