20310+2054
- Unique Name: 20310+2054GCB 55
- RA: 20 30 54.66
- Dec: +20 55 11.3
- Discoverer: GCB
- Discoverer Number: 55
- Components:
- First year: 1930
- Last year: 2004
- Observations: 7
- First position angle: 145
- Last position angle: 148
- First separation: 5.2
- Last separation: 6.7
- Mag first component: 11.8
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -4
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: N
