20493+3923
- Unique Name: 20493+3923SEI1263
- RA: 20 49 19.21
- Dec: +39 23 11.3
- Discoverer: SEI
- Discoverer Number: 1263
- Components:
- First year: 1892
- Last year: 2002
- Observations: 9
- First position angle: 102
- Last position angle: 98
- First separation: 20.8
- Last separation: 23.3
- Mag first component: 11.48
- Mag second component: 11.56
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 5
- Secondary proper motion RA: 28
- Secondary proper motion DEC: 8
- Durchmusterung:
- Notes: L