Claim: 1447 Utra is a S-type asteroid discovered by Y. Väisälä on January 26, 1938 at the Turku Observatory.
Evidence: Y. Väisälä 26 January 1938 Turku Obs. Utra is a S-type asteroid. 
It was discovered on 26 January 1938, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. Utra is a S-type asteroid.