20390+2456
- Unique Name: 20390+2456POU4798
- RA: 20 39 03.15
- Dec: +24 56 03.4
- Discoverer: POU
- Discoverer Number: 4798
- Components:
- First year: 1893
- Last year: 2001
- Observations: 5
- First position angle: 324
- Last position angle: 293
- First separation: 17.0
- Last separation: 19.7
- Mag first component: 11.23
- Mag second component: 12.69
- Spectral type:
- Primary proper motion RA: 71
- Primary proper motion DEC: 55
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: