00309+2135
- Unique Name: 00309+2135J 634
- RA: 00 30 55.37
- Dec: +21 33 39.1
- Discoverer: J
- Discoverer Number: 634
- Components:
- First year: 1911
- Last year: 2010
- Observations: 11
- First position angle: 278
- Last position angle: 249
- First separation: 1.8
- Last separation: 2.3
- Mag first component: 9.8
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: I