21129+3612
- Unique Name: 21129+3612SEI1448
- RA: 21 12 56.97
- Dec: +36 11 32.5
- Discoverer: SEI
- Discoverer Number: 1448
- Components:
- First year: 1896
- Last year: 2002
- Observations: 3
- First position angle: 207
- Last position angle: 208
- First separation: 25.4
- Last separation: 25.2
- Mag first component: 11.91
- Mag second component: 12.9
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: -8
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes:
