Which spell was used in the animated gif below?

The spell that is being shown in the gif is Wingardium Leviosa. This spell was introduced in the first book and movie of the Harry Potter series. Harry is in his first year in Hogwarts together with his friends Ron and Hermione studying Charms class. Professor Flitwick announces that the quality is ready to make objects fly. Harry is partnered with Seamus while Ron is with Hermione.

Ron says the spell while flicking his wand. Hermione tells him that he is saying it wrong and must give emphasis to the syllables. She says Wingardium Leviosa and their feather rises off their desk and is commended by Professor Flitwick for making it fly on her first try.