New General Catalogue, a 19th-century compendium of deep-sky objects such as galaxies, globular clusters, and nebulae. Found on http://planetfacts.org/space-terms/
The National Governors` Council - an organisation which provides a national voice for Governors and is based on local associations of governing bodies.
Found on https://www.encyclo.co.uk/local/20928
New General Catalogue: a catalog of clusters, nebulae, and galaxies compiled by Danish astronomer Johan Ludwig Dreyer (1852–1926) and published in 1888. Found on https://www.infoplease.com/dictionary/ngc