Alphonse Borrelly

Alphonse Louis Nicolas Borrelly (December 8, 1842 – February 28, 1926) was a French astronomer born in Roquemaure, Gard.

He joined the Marseille Observatory in 1864. In the course of his career, he discovered a number of asteroids and comets, including the periodic comet 19P/Borrelly. He also discovered five NGC objects, all galaxies.

The French Academy of Sciences awarded him the Prix Valz for 1903 and the Prix Lalande for 1909. The asteroid 1539 Borrelly was named in his honor.

In 1913, he received the Prix Jules Janssen, the highest award of the Société astronomique de France, the French astronomical society.

Discoveries + Asteroids discovered: 18 99 Dike May 28, 1868 110 Lydia April 19, 1870 117 Lomia September 12, 1871 120 Lachesis April 10, 1872 146 Lucina June 8, 1875 157 Dejanira December 1, 1875 171 Ophelia January 13, 1877 172 Baucis February 5, 1877 173 Ino August 1, 1877 198 Ampella June 13, 1879 233 Asterope May 11, 1883 240 Vanadis August 27, 1884 246 Asporina March 6, 1885 268 Adorea June 8, 1887 308 Polyxo March 31, 1891 322 Phaeo November 27, 1891 369 Aëria July 4, 1893 394 Arduina November 19, 1894

Comets discovered or co-discovered The following is an incomplete list of comets discovered or co-discovered by Borrelly: C/1873 Q1 (Borrelly) C/1877 C1 (Borrelly) NGC objects discovered (all in 1871)

NGC 2268 NGC 2300 NGC 2715 NGC 3933 NGC 3934