21176+2453
- Unique Name: 21176+2453POU5317
- RA: 21 17 40.15
- Dec: +24 52 40.5
- Discoverer: POU
- Discoverer Number: 5317
- Components:
- First year: 1898
- Last year: 2009
- Observations: 4
- First position angle: 338
- Last position angle: 337
- First separation: 15.2
- Last separation: 14.6
- Mag first component: 12.4
- Mag second component: 14.0
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: