21496+2431
- Unique Name: 21496+2431POU5520
- RA: 21 49 33.53
- Dec: +24 30 45.2
- Discoverer: POU
- Discoverer Number: 5520
- Components:
- First year: 1898
- Last year: 2009
- Observations: 4
- First position angle: 314
- Last position angle: 307
- First separation: 18.0
- Last separation: 19.2
- Mag first component: 13.2
- Mag second component: 14.5
- Spectral type:
- Primary proper motion RA: 12
- Primary proper motion DEC: -7
- Secondary proper motion RA: -13
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes:
