21410+3504
- Unique Name: 21410+3504HO 164AC
- RA: 21 41 01.95
- Dec: +35 04 44.7
- Discoverer: HO
- Discoverer Number: 164
- Components: AC
- First year: 1892
- Last year: 2002
- Observations: 9
- First position angle: 239
- Last position angle: 238
- First separation: 25.2
- Last separation: 24.4
- Mag first component: 9.51
- Mag second component: 12.02
- Spectral type: K0
- Primary proper motion RA: -30
- Primary proper motion DEC: -21
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: