20489+3449
- Unique Name: 20489+3449SEI1258
- RA: 20 48 52.27
- Dec: +34 49 24.9
- Discoverer: SEI
- Discoverer Number: 1258
- Components:
- First year: 1896
- Last year: 2006
- Observations: 6
- First position angle: 351
- Last position angle: 351
- First separation: 24.3
- Last separation: 25.5
- Mag first component: 11.8
- Mag second component: 13.55
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -7
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: