Simplify the following text for a Grade 9 native English-speaking person.
Original: It was discovered from the images taken by Voyager 2 on January 20 , 1986 , and was given the temporary designation S\/1986 U 7 .
Simplified: It was found from the images taken by Voyager 2 on January 20 , 1986 , and was given the designation S\/1986 U 7 .