21566+3500
- Unique Name: 21566+3500CBL 97
- RA: 21 56 36.23
- Dec: +34 59 53.3
- Discoverer: CBL
- Discoverer Number: 97
- Components:
- First year: 2000
- Last year: 2002
- Observations: 2
- First position angle: 62
- Last position angle: 62
- First separation: 20.6
- Last separation: 20.6
- Mag first component: 13.1
- Mag second component: 14.5
- Spectral type:
- Primary proper motion RA: 80
- Primary proper motion DEC: 34
- Secondary proper motion RA: 84
- Secondary proper motion DEC: 35
- Durchmusterung:
- Notes: V