21328+3901
- Unique Name: 21328+3901MLB 989
- RA: 21 32 49.03
- Dec: +39 00 22.1
- Discoverer: MLB
- Discoverer Number: 989
- Components:
- First year: 1935
- Last year: 2006
- Observations: 6
- First position angle: 137
- Last position angle: 160
- First separation: 2.1
- Last separation: 3.0
- Mag first component: 10.0
- Mag second component: 10.0
- Spectral type:
- Primary proper motion RA: -22
- Primary proper motion DEC: 14
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -20
- Durchmusterung:
- Notes:
