+ Asteroids discovered: 13 697 Galilea February 14, 1910 698 Ernestina March 5, 1910 699 Hela June 5, 1910 700 Auravictrix June 5, 1910 701 Oriola July 12, 1910 702 Alauda July 16, 1910 706 Hirundo October 9, 1910 708 Raphaela February 3, 1911 709 Fringilla February 3, 1911 713 Luscinia April 18, 1911 714 Ulula May 18, 1911 2056 Nancy October 15, 1909 3861 Lorenz March 30, 1910
Joseph Helffrich (12 January 1890 in Mannheim, Baden – 1971) was a German astronomer.
He did his Ph.D. dissertation in 1913 at the Landessternwarte Heidelberg-Königstuhl (Königstuhl Observatory, near Heidelberg) at the University of Heidelberg .
At the time, the observatory at Heidelberg was a center for asteroid discovery under the direction of Max Wolf, and during his time there Helffrich discovered a number of asteroids.
References
Helffrich, Joseph: Untersuchungen im Sternhaufen h Persei nach Aufnahmen mit dem Waltz-Reflektor der Heidelberger Sternwarte. Braun, Mannheim 1913, 23 S. (Heidelberg, Naturwiss.-math. Diss. v. 17. Nov. 1913) Schmadel, Lutz D.: Dictionary of Minor Planet Names. 5th ed. Springer, Berlin 2003,
External links Asteroid 2290 Helffrich List of Dissertations at the Landessternwarte Heidelberg-Königstuhl