21218+3230
- Unique Name: 21218+3230HLM 40
- RA: 21 20 56.21
- Dec: +32 29 31.5
- Discoverer: HLM
- Discoverer Number: 40
- Components:
- First year: 1925
- Last year: 2013
- Observations: 4
- First position angle: 18
- Last position angle: 23
- First separation: 13.5
- Last separation: 15.5
- Mag first component: 11.8
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: -23
- Primary proper motion DEC: -19
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: N
