deep-sky object catalogue
C17301
concept
A deep-sky object catalogue is a systematically organized list of non-stellar astronomical objects—such as galaxies, nebulae, and star clusters—typically including their positions, classifications, and observational properties.
Observed surface forms (4)
- Caldwell object ×1
- astronomy reference work ×1
- deep-sky object catalog ×1
- nebulae catalogue ×1
Instances (7)
- Messier catalogue
- New General Catalogue
- Revised Shapley–Ames Catalog of Bright Galaxies via concept surface "astronomy reference work"
- C 74 via concept surface "Caldwell object"
- Index Catalogue via concept surface "nebulae catalogue"
- NGC via concept surface "deep-sky object catalog"
- Caldwell catalogue