20457+0430
- Unique Name: 20457+0430A 2285AC
- RA: 20 45 42.18
- Dec: +04 30 10.2
- Discoverer: A
- Discoverer Number: 2285
- Components: AC
- First year: 1918
- Last year: 2006
- Observations: 5
- First position angle: 114
- Last position angle: 116
- First separation: 34.5
- Last separation: 33.5
- Mag first component: 9.84
- Mag second component: 12.4
- Spectral type: G0
- Primary proper motion RA: 31
- Primary proper motion DEC: 21
- Secondary proper motion RA: 16
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: