21308+4013
- Unique Name: 21308+4013MLB 896AC
- RA: 21 30 46.65
- Dec: +40 13 26.9
- Discoverer: MLB
- Discoverer Number: 896
- Components: AC
- First year: 1933
- Last year: 2002
- Observations: 3
- First position angle: 75
- Last position angle: 68
- First separation: 19.0
- Last separation: 29.2
- Mag first component: 13.6
- Mag second component: 13.5
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: -34
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes:
