21563+7321
- Unique Name: 21563+7321MLB 427
- RA: 21 56 15.13
- Dec: +73 20 22.8
- Discoverer: MLB
- Discoverer Number: 427
- Components:
- First year: 1895
- Last year: 2003
- Observations: 5
- First position angle: 151
- Last position angle: 162
- First separation: 2.3
- Last separation: 2.5
- Mag first component: 12.2
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: -138
- Primary proper motion DEC: -174
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
