Jovian Infrared Auroral Mapper (JIRAM) Image (IMAGE) Southwest Research Institute Caption The Jovian Infrared Auroral Mapper (JIRAM) image was acquired at 12:30 (UTC) on Dec. 21, 2018. The instrument reveals very high temperatures at the location of a volcanic eruption on Io. This observation was taken during the same fully eclipsed period of images from the JunoCam and Stellar Reference Unit. Credit NASA/JPL-Caltech/SwRI/INAF Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.