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Museums #9 in Erba, Lombardy

Sormano Astronomical Observatory

4.5 · 770 reviews
Quiet, scholarly, and remote.
Sormano Astronomical Observatory, Località Colma di, 22030 Sormano CO, Italy
Interesting facts
1

The observatory has discovered hundreds of minor planets since its founding in 1986.

2

It is equipped with the 'Telescopio Principale', a 50cm reflector designed for high-precision celestial imaging.

3

The facility is famous for the 'Sormano Sky Survey', an active program dedicated to identifying potentially hazardous asteroids.

4

The observatory's specific geographic coordinates are crucial for international orbital calculations of near-Earth objects.

5

It hosts the 'Muro di Sormano' nearby, a legendary steep climb featured in the Giro di Lombardia cycling race.

Overview

The Sormano Astronomical Observatory is a research facility located at 1,124 meters above sea level on the Colma di Sormano mountain pass in Lombardy. It is internationally recognized for its significant contributions to the study of Near-Earth Objects and asteroids. The facility houses a specialized telescope designed specifically for the automated search and tracking of minor planets. It operates in collaboration with the Minor Planet Center to provide precise astrometric measurements. The site is situated in an area historically used by amateur astronomers due to its reduced light pollution compared to nearby Milan. It functions as both a center for scientific research and a venue for public astronomical education.

Photo spot

The exterior viewing platform providing a panoramic outlook toward the mountains and the valley below.

Insider tips

Bring a jacket as temperatures drop significantly at this altitude, even in summer.

Check the website for scheduled public observation nights, as the site is not always open to walk-ins.

Wear sturdy walking shoes to navigate the surrounding mountain trails.

What to avoid

Do not attempt to drive up in heavy winter snow conditions without proper snow tires or chains, as the pass is steep and narrow.

Good to know

Visits are typically by appointment or during organized public events; check their official calendar for specific monthly openings.

Etiquette

Maintain silence during active observation periods and avoid using bright white lights or flash photography at night to preserve night vision.

Plan your visit
Typical visit
1-2 hours
Best time to visit
Clear, moonless nights during summer or early autumn for optimal stargazing conditions.
Address
Sormano Astronomical Observatory, Località Colma di, 22030 Sormano CO, Italy
45.883, 9.229
Get directions
Details
Key exhibitsAutomated 50cm telescope and active near-Earth object tracking displays
Research focusAstrometry and monitoring of minor planets

Frequently asked

Plan for about 1-2 hours to see the highlights.

The best time to visit is Clear, moonless nights during summer or early autumn for optimal stargazing conditions..

The exterior viewing platform providing a panoramic outlook toward the mountains and the valley below.

Close by you'll find Madonna del Ghisallo, Jungle Raider Park Civenna, Alpe del Vicerè.