If you are looking for the original 1609 text (titled Astronomia Nova ΑΙΤΙΟΛΟΓΗΤΟΣ seu physica coelestis ), several digital libraries offer high-resolution scans:
Often hosts digitized copies from university libraries. 2. English Translations astronomia nova pdf
Offers beautiful, high-resolution scans of the original 1609 edition. If you are looking for the original 1609
The book is filled with intricate diagrams explaining the celestial sphere. published in 1609
Astronomia Nova PDF: Accessing Kepler’s Masterpiece Johannes Kepler’s Astronomia Nova (New Astronomy), published in 1609, stands as one of the most significant pillars in the history of science. It is the work that dismantled nearly two millennia of circular orbits and introduced the laws of planetary motion that we still use today.