What you do is, you have your drawing board and a pencil in hand at the telescope. You look in and you make some markings on the paper and you look in again.

Tombaugh (1906–1997)".

Although he is best known for discovering the dwarf planet Pluto in 1930 the first object to be discovered in what would later be identified as the Kuiper belt Tombaugh also discovered many asteroids; he also called for the serious scientific research of unidentified flying objects.