05489+2101
- Unique Name: 05489+2101BU 93AB
- RA: 05 48 54.03
- Dec: +21 01 15.7
- Discoverer: BU
- Discoverer Number: 93
- Components: AB
- First year: 1873
- Last year: 2010
- Observations: 16
- First position angle: 125
- Last position angle: 122
- First separation: 60.0
- Last separation: 60.2
- Mag first component: 9.0
- Mag second component: 10.3
- Spectral type: A0
- Primary proper motion RA: -3
- Primary proper motion DEC: -8
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -6
- Durchmusterung: +20 1111
- Notes: N
