18221+4821
- Unique Name: 18221+4821HU 582
- RA: 18 22 08.96
- Dec: +48 21 27.1
- Discoverer: HU
- Discoverer Number: 582
- Components:
- First year: 1902
- Last year: 2002
- Observations: 8
- First position angle: 195
- Last position angle: 192
- First separation: 2.2
- Last separation: 2.3
- Mag first component: 8.46
- Mag second component: 11.18
- Spectral type: G5
- Primary proper motion RA: -11
- Primary proper motion DEC: 22
- Secondary proper motion RA: -9
- Secondary proper motion DEC: 16
- Durchmusterung: +48 2683
- Notes: