12102+1858
- Unique Name: 12102+1858A 2057
- RA: 12 10 13.32
- Dec: +18 58 06.8
- Discoverer: A
- Discoverer Number: 2057
- Components:
- First year: 1909
- Last year: 1931
- Observations: 3
- First position angle: 291
- Last position angle: 293
- First separation: 1.7
- Last separation: 2.0
- Mag first component: 9.85
- Mag second component: 15.4
- Spectral type: F8
- Primary proper motion RA: -11
- Primary proper motion DEC: 12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +19 2537
- Notes: