21576+4938
- Unique Name: 21576+4938HU 772
- RA: 21 57 36.58
- Dec: +49 37 49.2
- Discoverer: HU
- Discoverer Number: 772
- Components:
- First year: 1904
- Last year: 2008
- Observations: 13
- First position angle: 319
- Last position angle: 330
- First separation: 0.2
- Last separation: 0.4
- Mag first component: 9.7
- Mag second component: 10.2
- Spectral type: F5
- Primary proper motion RA: 23
- Primary proper motion DEC: 34
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +48 3558
- Notes: