21166+2341
- Unique Name: 21166+2341POU5306
- RA: 21 16 32.13
- Dec: +23 40 57.5
- Discoverer: POU
- Discoverer Number: 5306
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 88
- Last position angle: 89
- First separation: 13.6
- Last separation: 14.5
- Mag first component: 12.0
- Mag second component: 14.3
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -22
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -12
- Durchmusterung:
- Notes: