NORVIS
NORVIS

NORdlys Versatile Imaging Spectrograph

“Nordlys” means aurora in Norwegian

NORVIS is a portable broadband slit spectrograph developed for auroral observations. In its visible configuration, it covers 380–860 nm and combines spectral measurements with wide-field and slit-context imaging.

NORVIS observing network

Coordinated auroral spectroscopy

The NORVIS project is developing a set of instruments based on the same optical and acquisition architecture for observations from several high-latitude sites. A common acquisition and reduction framework is used to facilitate comparison between measurements obtained by different NORVIS units.

380–860 nm
visible spectral range
~1.2 nm
nominal spectral resolution
3 cameras
spectrum and imaging context
Instrumentation

Instrument design and capabilities

Optical configuration, detector characteristics, entrance slit, spectral coverage and the three-camera system used for spectral acquisition and pointing context.

Instrumentation
Observations & Data

Observations and datasets

Representative spectra and context images from the first NORVIS field observations, together with datasets made available for scientific use and demonstration.

Observations & Data
Latest observation

First light at KHO, Svalbard

5 OCTOBER 2026

Kjell Henriksen Observatory

The NORVIS unit installed at the Kjell Henriksen Observatory in Svalbard recorded its first auroral spectra on 5 October 2026. These measurements constitute the first NORVIS observations from the Svalbard site.

View observations
NORVIS at the Kjell Henriksen Observatory, Svalbard

NORVIS is developed in collaboration with research institutes and high-latitude observing facilities.

The NORVIS Team · Publications