Concept, design and development
Data is courtesy of our dataproviders. See full list here.
This site is using cookies. By continuing to use this site you agree to cookies being stored on your device. You can read our cookie policy here
Last 24 Hours
SDO Current Images
AIA 094 ÅAIA 171 ÅAIA 193 ÅAIA 211 ÅAIA 304 Å
AIA 335 ÅAIA 1600 ÅAIA 1700 ÅHMI MagnetogramHMI Intensigram
Current Values


In this section terms that are frequently used on this site are explained. It will be expanded over time.

Terms and their Meaning
TermsExplanationFurther Information
AIA (Atmospheric Imaging Assembly)An SDO Instrument that is taking images of the Sun on various wavelengths.AIA Home (English)
Å (Angström)An non-SI unit corresponding to 10-10 meter, or 0.1nm.Angstrom - Brittanica (English)
CME (Coronal Mass Ejection) The Sun ejects matter (plasma) into space.Coronal Mass Ejection - Brittanica (English)
Enlil (WSA-Enlil)SWPC prediction model Vorhersagemodel for space weather, CMEs and geomagnetic storms.Enlil Home (English)
SDO (Solar Dynamics Observatory)NASA satellite that monitors the Sun.NASA SDO Home (English)
SWPC (Space Weather Prediction Center)A unit that is part of US NOAA agency and monitors spaceweather and makes spaceweather forecasts.SWPC Home (English)

information about the site

your ad here is also on

This site uses cookies; small text files that are placed on your machine to help the site provide a better user experience.

We use cookies to store user configurable settings, like language choice, to check whether you are first time or returning vistor, and to track your journey within the sites.

You may prefer to disable cookies and can do so in your browser. However, while most functionality on this site does not rely on cookies you may experience non-working features.

To dismiss this message, click the cross in the upper-right corner of this dialog box.