20566+4455
- Unique Name: 20566+4455TRN 30
- RA: 20 56 34.78
- Dec: +44 55 29.0
- Discoverer: TRN
- Discoverer Number: 30
- Components:
- First year: 2001
- Last year: 2001
- Observations: 2
- First position angle: 205
- Last position angle: 30
- First separation: 3.8
- Last separation: 3.8
- Mag first component: 5.97
- Mag second component: 16.0
- Spectral type: O6.5V+B1/
- Primary proper motion RA: 0
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +44 3639
- Notes: N