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POLARIS: Due to the precession of our Earth, it is the current North Pole star.
As you see in this long-exposure photograph, Polaris is at the center, and others revolving around.
Now, let's see how to find it;
Firstly, you must know to measure the angle distances on the sky, with the help of your hand stretched at arm's length.
Three joined fingers represent a 5°, and a fist is a 10°. As shown, you can make a 15° or a 20° with your hand.
Now we're to the stars of North, Polaris is at the center of the sky, but know that it's not the brightest one.
Keep in mind, if you know where it is, you can find your latitude by measuring the distance of Polaris to your horizon.
To find it easily, know that Polaris is always inline with the Big Dipper's star at the front edge.
The distance is almost a 29° from the edge, and you can make it with joining three fists between the two stars.
Now in this motion, you can see Big Dipper is revolving with the others around the Polaris.
And Polaris seems always joined to the inner side of the Big Dipper.
Now let's see it again with the constellation lines.
That easy, hope it works for you :)