Julius Scheiner

Julius Scheiner ( born November 25, 1858 in Cologne, † 20 December 1913 in Potsdam ) was a German astrophysicist.

After graduation in 1878, he studied in Bonn Mathematics and Natural Sciences, 1882 he did his PhD on studies of the light changes of Algol by the Mannheim observations by Professor Schönfeld in 1869 to 1875. Already since 1881, he worked as an assistant at the Bonn Observatory, from 1887 at the Astrophysical Observatory Potsdam, where he was in 1894 appointed to the permanent staff and 1898 to Hauptobservator. In 1893 he received from the University of Berlin the title of professor in 1894 as an associate professor.

Scheiner's importance lay in the practical field, he developed the eponymous method of Schei Nerns or Einscheinerns, in order to precise observation of the sky, the right ascension ( polar axis ) of the mount astronomical instruments is aligned exactly parallel to the axis of rotation of the earth. Some notoriety reached Scheiner also by popular lectures and publications such as the construction of the Universe ( 1913) or Popular Astrophysics ( Leipzig and Berlin, 2nd edition 1912) or by numerous articles in magazines and newspapers.