21087+1717
- Unique Name: 21087+1717HEI 184
- RA: 21 08 37.95
- Dec: +17 17 20.8
- Discoverer: HEI
- Discoverer Number: 184
- Components:
- First year: 1980
- Last year: 2001
- Observations: 3
- First position angle: 66
- Last position angle: 62
- First separation: 2.5
- Last separation: 3.0
- Mag first component: 12.47
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes:
