About OVM

About OVM

Observatory, site and all-sky monitoring

From the ValMalenco mountains, OVM monitors the sky with passion, technology and dedication to astronomy.

Who We Are

OVM (Osservatorio astronomico ValMalenco) is a private cultural observatory active in ValMalenco since 2011, created to bring astronomical observing closer to the public. It is registered with the Minor Planet Center as K43* and is active in minor-body monitoring and digital astrophotography.

PieroNorth Dome
PaoloEast Dome
MicheleSouth Dome
Angelowith grateful thanks for his passionate contribution to the construction of OVM.

Special thanks to the Comune di Chiesa in Valmalenco for supporting the initiative by making the observatory site available.

* Minor Planet Center (MPC). It gathers and checks asteroid and comet observations from around the world, and publishes orbital data to help track these objects. K43 is the MPC code identifying OVM’s observing site.

Site Information

Altitude1670 m a.s.l.Latitude46:18:36 NLongitude9:50:20 ELocationSan Giuseppe, Braciascia, ValMalenco (SO), ItalyWebsitewww.cieloinvalmalenco.itEmailinfo@cieloinvalmalenco.it

Sky Brightness Model

Interactive sky brightness map ↗

Modeled sky brightness around the OVM observing site.

Source: Jurij Stare — lightpollutionmap.info · Sky Brightness data: NASA Black Marble

All-Sky Monitoring System

DIY All-Sky Camera

The OVM all-sky installation is also a hands-on engineering project, combining optical layout, enclosure and environmental protection, electronics, calibration, image processing and dedicated software into one custom observing system.

Sky Brightness Model

Reading the OVM sky views

These views show the modeled sky brightness in different directions above the observatory.

Higher numbers mean darker skies: around 18 indicates light pollution; 21.5–22 indicates a very dark, near-natural sky. Read the colours against the scale beside each plot.

The interactive geographical map uses a different colour scale.

Values are expressed in mag/arcsec² and are modeled, not live measurements.