20434+1712
- Unique Name: 20434+1712J 845
- RA: 20 43 21.98
- Dec: +17 12 28.5
- Discoverer: J
- Discoverer Number: 845
- Components:
- First year: 1912
- Last year: 2009
- Observations: 8
- First position angle: 216
- Last position angle: 224
- First separation: 2.9
- Last separation: 4.0
- Mag first component: 11.99
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -4
- Secondary proper motion RA: -24
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: