250 Bettina
Bettina (minor planet designation: 250 Bettina) is a large main belt asteroid that was discovered by Austrian astronomer Johann Palisa on September 3, 1885, in Vienna. It was named in honour of Baroness Bettina von Rothschild (née de Rothschild; 1858–1892), wife of Baron Albert von Rothschild who had bought the naming rights for £50. Based upon the spectrum, it is classified as an M-type asteroid. In 1988, the asteroid was observed from the Collurania-Teramo Observatory, allowing a light curve to be produced that showed "an irregular behavior with a deeper minimum and a narrower maximum