What does HDC stand for?
HDC stands for "Henry Draper Catalog entry"
How to abbreviate "Henry Draper Catalog entry"?
"Henry Draper Catalog entry" can be abbreviated as HDC
What is the meaning of HDC abbreviation?
The meaning of HDC abbreviation is "Henry Draper Catalog entry"
What does HDC mean?
HDC as abbreviation means "Henry Draper Catalog entry"
