21423+4616
- Unique Name: 21423+4616ES 1275BD
- RA: 21 42 17.05
- Dec: +46 17 34.3
- Discoverer: ES
- Discoverer Number: 1275
- Components: BD
- First year: 1913
- Last year: 2003
- Observations: 4
- First position angle: 279
- Last position angle: 285
- First separation: 5.2
- Last separation: 6.0
- Mag first component: 12.9
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: -18
- Secondary proper motion RA: -25
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes:
