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- Henry Draper Catalogue
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- Stars by Henry Draper Catalogue number
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Encyclopedic overview
This category contains stars from the Henry Draper Catalogue (HD), or its extensions (HDE) and (HDEC).
Help keep this category in order, modify [[Category:Henry Draper Catalogue objects]] to [[Category:Henry Draper Catalogue objects|######]], dropping the HD or HDE or HDEC prefix, using only the number, on pages that categorize here. To ensure proper sorting, pad the number with leading zeros up to six digits.
Excerpted from Wikipedia’s “Category:Henry Draper Catalogue objects” article, available under the CC BY-SA 4.0 licence.