17521+4657
- Unique Name: 17521+4657ES 1259
- RA: 17 52 09.76
- Dec: +46 56 32.7
- Discoverer: ES
- Discoverer Number: 1259
- Components:
- First year: 1893
- Last year: 2006
- Observations: 8
- First position angle: 229
- Last position angle: 220
- First separation: 5.4
- Last separation: 6.6
- Mag first component: 9.23
- Mag second component: 10.0
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: 8
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -15
- Durchmusterung: +46 2381
- Notes: