17129+4220
- Unique Name: 17129+4220BUP 176
- RA: 17 12 55.08
- Dec: +42 19 54.5
- Discoverer: BUP
- Discoverer Number: 176
- Components:
- First year: 1912
- Last year: 2005
- Observations: 11
- First position angle: 279
- Last position angle: 300
- First separation: 209.4
- Last separation: 129.4
- Mag first component: 10.26
- Mag second component: 9.92
- Spectral type: M1V
- Primary proper motion RA: -101
- Primary proper motion DEC: -35
- Secondary proper motion RA: -1
- Secondary proper motion DEC: 0
- Durchmusterung: +42 2810
- Notes: NL P