Catalogue · 1924 CE
Henry Draper Catalogue
History of Astronomy
About the catalogue
A vast catalogue of stellar spectra produced at Harvard, with classifications largely by Annie Jump Cannon. Named in memory of astrophotography pioneer Henry Draper, it gave the 'HD' designations still used for stars today.
Compiled by
Knowledge connections
- Introduced byAnnie Jump Cannon
- Introduced byEdward Charles Pickering
- Part ofModern Astronomy
- Associated withSAO Star Catalog
- Associated withBayer Designation
Sources & references
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
- BritannicaEncyclopaedia Britannica
General reference for the history of astronomy, biographies, and cultural context.