1842 – Born on the 8th of December in Roquemaure, France. French astronomer.
– The asteroid, Borrelly was named in his honour.
1864 – He entered Marsaille Observatory as an assistant astronomer (under the directorship of Voigt, who was replaced by Stephan).
1866 – His main interest was the observation of comets and minor planets (together with Coggia). He found 18 comets and 20 minor plantes unsing the 7.2" comet seeker, made by Eichens and installed.
– Discovered the periodic comet 19P/Borrelly.
1870-1872 – Borrelly discovered 6 NGC objects with the comet seeker.
1919 – He left the observatory.
1926 – Died on 28th of February at age of 84.