21209+6117
- Unique Name: 21209+6117MLR 508
- RA: .
- Dec: .
- Discoverer: MLR
- Discoverer Number: 508
- Components:
- First year: 1974
- Last year: 2008
- Observations: 4
- First position angle: 235
- Last position angle: 241
- First separation: 0.3
- Last separation: 0.5
- Mag first component: 11.4
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA:
- Primary proper motion DEC:
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: