21284+3745
- Unique Name: 21284+3745TDT2983
- RA: 21 28 25.47
- Dec: +37 45 13.0
- Discoverer: TDT
- Discoverer Number: 2983
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 111
- Last position angle: 111
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 11.51
- Mag second component: 11.79
- Spectral type:
- Primary proper motion RA: 22
- Primary proper motion DEC: -3
- Secondary proper motion RA: 22
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: