He developed trigonometry to the point it became a separate field, and compiled the most accurate astronomical tables available up to that time.

It was on these data that Delambre computed his astronomical tables.

They became the most popular astronomical tables in Europe and updated versions were regularly produced for three hundred years.

A port big enough to take a ship would mess up everybody's astronomical tables if you projected it into a planetary system.

He also published a set of astronomical tables in 1702.

In the field of astronomy, he published several astronomical tables.

Some of his original additions were astronomical tables specific to Yemen.

He was the author of astronomical tables prepared at Perpignan in 1361.

He published astronomical tables that made predicting eclipses more accessible.

He published some astronomical tables on the Moon that were praised for their accuracy.