During a 1943 proper motion study by Dirk Reuyl at McCormick Observatory, it was suspected of having a companion.

The Transit of Venus of 1882 was observed from the steps of the Rotunda, in a coordinated effort with McCormick Observatory.

During his 35 years at the McCormick Observatory of the University of Virginia, USA he published many works.

In the 1880s, he donated the McCormick Observatory to the University of Virginia in an effort to help the South recover from the war.

Stone remained at the McCormick Observatory until 1912.

McCormick Road houses the McCormick Observatory and is minutes away from the Rotunda.

It has been preserved in a largely wooded state for the protection of McCormick Observatory from light pollution.

"McCormick Observatory history".

In 1885 Swasey completed work at McCormick Observatory on the 45-foot dome, which was the largest in the world, and had a unique, 3 shutter design.

He joined the staff at McCormick Observatory in 1929 and continued to work there until 1944.