21576+3351
- Unique Name: 21576+3351GRV 523
- RA: 21 57 38.00
- Dec: +33 51 26.2
- Discoverer: GRV
- Discoverer Number: 523
- Components:
- First year: 1934
- Last year: 2002
- Observations: 7
- First position angle: 342
- Last position angle: 341
- First separation: 26.6
- Last separation: 26.9
- Mag first component: 11.01
- Mag second component: 11.47
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: -40
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -40
- Durchmusterung:
- Notes: