20129+2238
- Unique Name: 20129+2238J 2305
- RA: 20 12 56.25
- Dec: +22 36 38.3
- Discoverer: J
- Discoverer Number: 2305
- Components:
- First year: 1942
- Last year: 2008
- Observations: 2
- First position angle: 190
- Last position angle: 178
- First separation: 4.0
- Last separation: 2.3
- Mag first component: 9.7
- Mag second component: 10.2
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: X