21555+1053
- Unique Name: 21555+1053BU 75AB,C
- RA: 21 55 31.42
- Dec: +10 52 49.5
- Discoverer: BU
- Discoverer Number: 75
- Components: AB,C
- First year: 1907
- Last year: 2012
- Observations: 10
- First position angle: 213
- Last position angle: 211
- First separation: 49.7
- Last separation: 35.3
- Mag first component: 7.72
- Mag second component: 12.5
- Spectral type: G5
- Primary proper motion RA: -75
- Primary proper motion DEC: -115
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: N
