17587+4231
- Unique Name: 17587+4231POP 123
- RA: 17 58 38.75
- Dec: +42 33 03.5
- Discoverer: POP
- Discoverer Number: 123
- Components:
- First year: 1976
- Last year: 2008
- Observations: 9
- First position angle: 232
- Last position angle: 232
- First separation: 2.9
- Last separation: 3.5
- Mag first component: 11.0
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 28
- Secondary proper motion RA: -38
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: