| 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
- ↑ "Minor Planet Discoverers (by number)". Minor Planet Center. 4 September 2016. Retrieved 7 September 2016.
- 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, ISBN 3-540-00238-3
External links
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