19307+2758
- Unique Name: 19307+2758MCA 55Aa,Ac
- RA: 19 30 43.29
- Dec: +27 57 34.9
- Discoverer: MCA
- Discoverer Number: 55
- Components: Aa,Ac
- First year: 1976
- Last year: 2008
- Observations: 58
- First position angle: 186
- Last position angle: 101
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 3.37
- Mag second component: 5.16
- Spectral type: K3III B0V
- Primary proper motion RA: -2
- Primary proper motion DEC: -1
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -1
- Durchmusterung: +27 3410
- Notes: NO
