21041-0549
- Unique Name: 21041-0549MCA 66Aa,Ab
- RA: 21 04 04.71
- Dec: -05 49 23.0
- Discoverer: MCA
- Discoverer Number: 66
- Components: Aa,Ab
- First year: 1978
- Last year: 2009
- Observations: 11
- First position angle: 171
- Last position angle: 62
- First separation: 0.1
- Last separation: 0.3
- Mag first component: 5.9
- Mag second component: 8.3
- Spectral type: G4III
- Primary proper motion RA: 23
- Primary proper motion DEC: -18
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -06 5664
- Notes: N
