zoom_in Click to enlarge

Palermo Astronomical Observatory

▲ ▼

description Palermo Astronomical Observatory Overview

The Palermo Astronomical Observatory is a historic research institution founded in 1790 and located in Palermo, Sicily. It is famously known as the site where Italian astronomer Giuseppe Piazzi discovered Ceres, the first object to be classified as an asteroid, on January 1, 1801. The observatory remains an active scientific facility and operates as part of the National Institute for Astrophysics (INAF). It houses a significant collection of historical scientific instruments and continues to engage in astronomical research and public outreach.

help Palermo Astronomical Observatory FAQ

What was discovered at Palermo Astronomical Observatory?

Giuseppe Piazzi discovered Ceres there on January 1, 1801. Ceres was initially treated as a planet, later classified as the first known asteroid, and is now designated a dwarf planet.

Why was Palermo chosen for an astronomical observatory?

The observatory was established in 1790 at Palermo's Palazzo dei Normanni under the patronage of King Ferdinand I. Its elevated position above the city offered Piazzi a suitable site for precise positional astronomy.

What instrument did Giuseppe Piazzi use to discover Ceres?

Piazzi used the Palermo Circle, a precision instrument built by the English instrument maker Jesse Ramsden. It allowed astronomers to measure stellar positions with exceptional accuracy for the period.

Can visitors see the Palermo Observatory's historic instruments?

The observatory's historic collection is associated with the Museo della Specola at the Palazzo dei Normanni. Access conditions can depend on museum arrangements because the observatory also remains part of Italy's INAF research network.

swap_horiz

Looking for Palermo Astronomical Observatory alternatives? Compare top competitors ranked & scored

arrow_forward