All you freaks out there (just kidding - only love for the Big Boys!) with large, well-figured chunks of glass looking for a unique experience might want to read this:
They are saying this is at magnitude 18, and it should reach perihelion next July, with its hyperbolic orbit. The article also says, "if these results hold up", concerning the orbital parameters, dates, etc, so take all of this with a grain of salt. So for all of you that missed putting eyes on Oumuamua, THIS IS YOUR CHANCE!!!!