20242+2900
- Unique Name: 20242+2900BU 443AB
- RA: 20 24 09.01
- Dec: +29 00 07.6
- Discoverer: BU
- Discoverer Number: 443
- Components: AB
- First year: 1878
- Last year: 2013
- Observations: 9
- First position angle: 134
- Last position angle: 151
- First separation: 13.0
- Last separation: 16.4
- Mag first component: 7.31
- Mag second component: 10.97
- Spectral type: A9IV
- Primary proper motion RA: 10
- Primary proper motion DEC: 42
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -5
- Durchmusterung: +28 3735
- Notes: