20010+3742
- Unique Name: 20010+3742BU 1289AB
- RA: 20 00 59.61
- Dec: +37 41 56.1
- Discoverer: BU
- Discoverer Number: 1289
- Components: AB
- First year: 1899
- Last year: 2007
- Observations: 18
- First position angle: 58
- Last position angle: 55
- First separation: 0.8
- Last separation: 0.6
- Mag first component: 8.15
- Mag second component: 9.2
- Spectral type: B5
- Primary proper motion RA: 0
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +37 3723
- Notes: