I see nothing to suggest it is en route, by which I assume you mean on a collision course with earth, I also do not see Sept 2015 mentioned anywhere.
Also,
Quote:
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* The strong interstellar fields mentioned in this story measure about ~5 microgauss. A microgauss is one millionth of a gauss, a unit of magnetic field strength popular among astronomers and geophysicists. Earth's magnetic field is about 0.5 gauss or 500,000 microgauss. Magnetic fields pervading interstellar space tend to be much less intense than planetary magnetic fields.
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