20257+2258
- Unique Name: 20257+2258BRT2474
- RA: 20 25 40.95
- Dec: +22 57 42.7
- Discoverer: BRT
- Discoverer Number: 2474
- Components:
- First year: 1892
- Last year: 1892
- Observations: 1
- First position angle: 103
- Last position angle: 103
- First separation: 3.3
- Last separation: 3.3
- Mag first component: 11.4
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: NX