SkyMatters: Oumuamua is the first object ever to be observed which originated outside the solar system

The thought of going outside into the cold night air might seem unpalatable, but if you can resist the temptation to lounge in the chair you will be rewarded with a view of the mightiest of all constellations, Orion (the Hunter), rising in the East.
The constellation is identified by the three stars of the Hunter’s Belt.