23404+4420
- Unique Name: 23404+4420HJ 1898AB
- RA: 23 40 24.44
- Dec: +44 20 02.3
- Discoverer: HJ
- Discoverer Number: 1898
- Components: AB
- First year: 1828
- Last year: 2002
- Observations: 10
- First position angle: 182
- Last position angle: 202
- First separation: 35.0
- Last separation: 47.4
- Mag first component: 4.14
- Mag second component: 11.3
- Spectral type: B9IVa
- Primary proper motion RA: 81
- Primary proper motion DEC: -19
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -5
- Durchmusterung: +43 4522
- Notes: N