The Sun: A software developed by the European Space Agency (ESA) makes available online to everyone, everywhere at anytime, the entire library of images from the SOHO solar and heliospheric observatory. JHelioviewer is new visualization software that enables everyone to explore the Sun. Developed as part of the ESA/NASA Helioviewer Project, it provides a desktop program that enables users to call up more than a million images of the Sun from the past 15 years

 For more visit http://jhelioviewer.org/