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This category is for astronomical observatories in the US capital of Washington, D.C..

Subcategories

This category has only the following subcategory.

N

United States Naval Observatory‎ (10 P)

Pages in category "Astronomical observatories in Washington, D.C."

The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes.

G

Georgetown University Astronomical Observatory

N

United States Naval Observatory

O

Old Naval Observatory

P

Phoebe Waterman Haas Public Observatory

source: https://en.wikipedia.org/wiki/Category:Astronomical_observatories_in_Washington,_D.C.