20555+3940
- Unique Name: 20555+3940MLB 783
- RA: 20 55 33.12
- Dec: +39 40 40.0
- Discoverer: MLB
- Discoverer Number: 783
- Components:
- First year: 1933
- Last year: 2008
- Observations: 4
- First position angle: 302
- Last position angle: 287
- First separation: 4.6
- Last separation: 5.6
- Mag first component: 10.0
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: 17
- Primary proper motion DEC: 3
- Secondary proper motion RA: -15
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: