20531+2909
- Unique Name: 20531+2909STT 417AB,C
- RA: 20 53 04.23
- Dec: +29 08 43.7
- Discoverer: STT
- Discoverer Number: 417
- Components: AB,C
- First year: 1843
- Last year: 2009
- Observations: 24
- First position angle: 110
- Last position angle: 108
- First separation: 31.5
- Last separation: 30.6
- Mag first component: 8.24
- Mag second component: 10.5
- Spectral type: A0
- Primary proper motion RA: 12
- Primary proper motion DEC: -5
- Secondary proper motion RA: 16
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: