21000+3655
- Unique Name: 21000+3655TOB 208AC
- RA: 21 00 04.10
- Dec: +36 55 03.1
- Discoverer: TOB
- Discoverer Number: 208
- Components: AC
- First year: 1896
- Last year: 2011
- Observations: 10
- First position angle: 231
- Last position angle: 232
- First separation: 31.7
- Last separation: 32.1
- Mag first component: 11.21
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -10
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: