21580+3434
- Unique Name: 21580+3434J 3154
- RA: 21 57 53.64
- Dec: +34 32 44.5
- Discoverer: J
- Discoverer Number: 3154
- Components:
- First year: 1944
- Last year: 2007
- Observations: 4
- First position angle: 205
- Last position angle: 200
- First separation: 5.0
- Last separation: 6.9
- Mag first component: 10.4
- Mag second component: 10.8
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: 4
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: