National and Kapodistrian University of Athens.
In 1921, he returned to Athens where he became head of the Athens Observatory. He left this post due to a lack of funding and went to Arequipa, Peru to work at Boyden Station, a branch of Harvard Observatory, with a view to finding a more suitable location for lieutenant The decision was made to move Boyden Station to South Africa due to better weather conditions, and Paraskevopoulos served there as director of Boyden Observatory in South Africa from 1927 to 1951.
He co-discovered a couple of comets.
The crater Paraskevopoulos on the Moon is named after him. JRASC 45 (1951) 126 (one paragraph)
MNRAS 112 (1952) 277
Nature 167 (1951) 753
Observer 71 (1951) 88 (one line)
PASP 63 (1951) 212 (one paragraph)
Sky and Telescope 10 (1951) 169.