What was the name of the catalogue Sir John Herschel published in 1864 detailing deep-sky objects?

Answer

General Catalogue of Nebulae and Clusters of Stars (GC)

The *General Catalogue of Nebulae and Clusters of Stars* (GC) was the resulting publication from his systematic survey, adding thousands of new deep-sky objects to the scientific record.

What was the name of the catalogue Sir John Herschel published in 1864 detailing deep-sky objects?
Astronomerscienceobservationnebulastar catalog