20310+3656
- Unique Name: 20310+3656AC 18AD
- RA: 20 30 59.23
- Dec: +36 56 09.1
- Discoverer: AC
- Discoverer Number: 18
- Components: AD
- First year: 1913
- Last year: 2002
- Observations: 3
- First position angle: 166
- Last position angle: 165
- First separation: 63.1
- Last separation: 62.4
- Mag first component: 6.32
- Mag second component: 12.3
- Spectral type: F5Iab
- Primary proper motion RA: 0
- Primary proper motion DEC: -4
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: N