21174+3203
- Unique Name: 21174+3203HJ 931
- RA: 21 17 21.56
- Dec: +32 02 30.8
- Discoverer: HJ
- Discoverer Number: 931
- Components:
- First year: 1827
- Last year: 2011
- Observations: 20
- First position angle: 40
- Last position angle: 357
- First separation: 12.0
- Last separation: 10.0
- Mag first component: 9.5
- Mag second component: 10.64
- Spectral type: G0
- Primary proper motion RA: 37
- Primary proper motion DEC: 5
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -5
- Durchmusterung: +31 4403
- Notes: L
