20001+3842
- Unique Name: 20001+3842SEI 777
- RA: 20 00 01.96
- Dec: +38 41 58.9
- Discoverer: SEI
- Discoverer Number: 777
- Components:
- First year: 1896
- Last year: 2002
- Observations: 7
- First position angle: 224
- Last position angle: 222
- First separation: 26.6
- Last separation: 25.1
- Mag first component: 11.62
- Mag second component: 11.77
- Spectral type: A0
- Primary proper motion RA: -4
- Primary proper motion DEC: -7
- Secondary proper motion RA: 5
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: