05489+2101
- Unique Name: 05489+2101BU 93BC
- RA: 05 48 57.66
- Dec: +21 00 43.7
- Discoverer: BU
- Discoverer Number: 93
- Components: BC
- First year: 1873
- Last year: 2001
- Observations: 10
- First position angle: 160
- Last position angle: 162
- First separation: 2.0
- Last separation: 6.1
- Mag first component: 10.3
- Mag second component: 12.1
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -6
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: N