Before the Scientific Revolution, astrology was considered a legitimate scholarly discipline. Famous astronomers like Johannes Kepler, Galileo, and Tycho Brahe all practiced astrology alongside astronomy.
Many universities taught astrology as part of their curriculum, and royal courts employed astrologers as advisors. The separation between astronomy and astrology is relatively recent in human history.
It wasn't until the Age of Enlightenment that astronomy became purely scientific, while astrology was reclassified as a metaphysical practice.