20104+2439
- Unique Name: 20104+2439A 384
- RA: 20 10 25.62
- Dec: +24 39 23.0
- Discoverer: A
- Discoverer Number: 384
- Components:
- First year: 1902
- Last year: 2008
- Observations: 19
- First position angle: 356
- Last position angle: 357
- First separation: 1.2
- Last separation: 1.3
- Mag first component: 9.91
- Mag second component: 10.78
- Spectral type: A0
- Primary proper motion RA: -1
- Primary proper motion DEC: 1
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 1
- Durchmusterung: +24 4028
- Notes: