15257+0307
- Unique Name: 15257+0307J 442
- RA: 15 25 43.04
- Dec: +03 07 51.9
- Discoverer: J
- Discoverer Number: 442
- Components:
- First year: 1911
- Last year: 2012
- Observations: 13
- First position angle: 86
- Last position angle: 87
- First separation: 3.9
- Last separation: 4.5
- Mag first component: 10.9
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: -26
- Primary proper motion DEC: -36
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -23
- Durchmusterung:
- Notes:
