[P_pers] P? personnel (?)
EO Executive Order
so EO_CLASSIFIED_WH[ -6713A]
could mean Eliptical Object Classified William Hershel
I know, could be so far off base, how close is the nearest star… but i just did a search and you can find this in Russian or another language, just not in english. had to use google translate. probably way off base but just putting it out there…
from Russia wikipedia translated.
NGC 6137A is a galaxy of type E (elliptical galaxy) in the constellation North Corona.
The discoverer of this object is Frederick Wilhelm Herschel, who first watched the object on March 17, 1787.
This object is not contained in the original edition of the New General Catalog and was added later.