23331+4556
- Unique Name: 23331+4556OSO 198AD
- RA: 23 33 03.23
- Dec: +45 56 26.3
- Discoverer: OSO
- Discoverer Number: 198
- Components: AD
- First year: 1994
- Last year: 1994
- Observations: 2
- First position angle: 111
- Last position angle: 111
- First separation: 18.3
- Last separation: 18.4
- Mag first component: 13.69
- Mag second component: 19.4
- Spectral type:
- Primary proper motion RA: -252
- Primary proper motion DEC: -97
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N