Why was Uraniborg considered both a primitive and a modern observatory?

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Painting of Danish astronomer Tycho Brahe wearing a black robe with a white ruffled collar and a gold chain necklace with a large pendant. — Tycho Brahe Tycho Brahe.

Uraniborg, established by Tycho Brahe in 1576, holds a unique place in scientific history as a bridge between two eras of astronomy.

It is considered a primitive observatory because it was built before the invention of the telescope around 1608, relying instead on traditional instruments like quadrants, parallactic rulers, and armillary spheres.1

Conversely, it is regarded as the first modern observatory for several key reasons:

State Support: It was the first observatory to be fully funded and supported by the state.1
Systematic Data: It produced the first organized and extensive collection of dependable astronomical data in history.1
Scientific Impact: The precise observations recorded there, including a catalog of over 1,000 stars, provided the essential foundation for Johannes Kepler to formulate his laws of planetary motion.1