21503+2754
- Unique Name: 21503+2754MLB 576
- RA: 21 50 18.63
- Dec: +27 53 37.1
- Discoverer: MLB
- Discoverer Number: 576
- Components:
- First year: 1928
- Last year: 2007
- Observations: 4
- First position angle: 285
- Last position angle: 269
- First separation: 9.5
- Last separation: 12.9
- Mag first component: 10.27
- Mag second component: 13.97
- Spectral type: F8
- Primary proper motion RA: 34
- Primary proper motion DEC: 34
- Secondary proper motion RA: -17
- Secondary proper motion DEC: 0
- Durchmusterung: +27 4178
- Notes: