23017+2821
- Unique Name: 23017+2821MLB 547
- RA: 23 01 49.75
- Dec: +28 20 41.6
- Discoverer: MLB
- Discoverer Number: 547
- Components:
- First year: 1927
- Last year: 2010
- Observations: 5
- First position angle: 268
- Last position angle: 269
- First separation: 3.7
- Last separation: 4.8
- Mag first component: 10.0
- Mag second component: 10.5
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: -6
- Secondary proper motion RA: -6
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: