Saturn and its northern auroras (composite image)

This image is a composite of observations made of Saturn in early 2018 in the optical and of the auroras on Saturn’s north pole region, made in 2017.

In contrast to the auroras on Earth the auroras on Saturn are mainly visible in the ultraviolet — a part of the electromagnetic spectrum blocked by Earth’s atmosphere — and therefore astronomers have to rely on space telescopes like the NASA/ESA Hubble Space Telescope to study them.

Credit:

ESA/Hubble, NASA, A. Simon (GSFC) and the OPAL Team, J. DePasquale (STScI), L. Lamy (Observatoire de Paris)

About the Image

Id:heic1815a
Type:Planetary
Release date:30 August 2018, 16:00
Related releases:heic1815
Size:2866 x 1764 px

About the Object

Name:Saturn
Type:Solar System : Planet : Feature : Atmosphere : Aurora
Category:Solar System

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Colours & filters

BandWavelengthTelescope
Optical
UV
148 nm Hubble Space Telescope
STIS
Optical
Ca II
395 nm Hubble Space Telescope
WFC3
Optical
O III
502 nm Hubble Space Telescope
WFC3
Optical
O I + S III
631 nm Hubble Space Telescope
WFC3

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