/usr/share/stellarium/skycultures/western_rey/ is in stellarium-data 0.14.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/stellarium/skycultures/western_rey/Rey_cover.png
/usr/share/stellarium/skycultures/western_rey/constellation_names.eng.fab
/usr/share/stellarium/skycultures/western_rey/constellationship.fab
/usr/share/stellarium/skycultures/western_rey/description.be.utf8
/usr/share/stellarium/skycultures/western_rey/description.bn.utf8
/usr/share/stellarium/skycultures/western_rey/description.de.utf8
/usr/share/stellarium/skycultures/western_rey/description.en.utf8
/usr/share/stellarium/skycultures/western_rey/description.ru.utf8
/usr/share/stellarium/skycultures/western_rey/description.uk.utf8
/usr/share/stellarium/skycultures/western_rey/info.ini
/usr/share/stellarium/skycultures/western_rey/star_names.fab