21419+4058
- Unique Name: 21419+4058MLB 30
- RA: 21 41 35.59
- Dec: +40 56 15.1
- Discoverer: MLB
- Discoverer Number: 30
- Components:
- First year: 1917
- Last year: 2002
- Observations: 3
- First position angle: 229
- Last position angle: 229
- First separation: 7.7
- Last separation: 9.0
- Mag first component: 10.0
- Mag second component: 11.7
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -3
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: