10421+3309
- Unique Name: 10421+3309HDS1531
- RA: 10 42 04.46
- Dec: +33 08 59.8
- Discoverer: HDS
- Discoverer Number: 1531
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 248
- Last position angle: 248
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 9.75
- Mag second component: 11.14
- Spectral type: F0
- Primary proper motion RA: 0
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +33 2019
- Notes: