Solar image library available online
PARIS (UPI) -- The European Space Agency says its entire library of images from its solar observation programs is available online, allowing Internet users to explore the sun.
Using a software viewer called JHelioviewer, available for download, and images from the Solar and Heliospheric Observatory, users can create their own movies of the sun, color and adjust images as they wish, and track features on the sun, an ESA release said Tuesday.
"We wanted to make it easy to view solar images from different observatories and instruments, and to make it easy to make movies," Daniel Muller, ESA Deputy Project Scientist, said. "Before, it took hours to combine images from different telescopes to make a movie of the sun for a given period."
"With JHelioviewer, everyone can do this in minutes. This is an interactive visual archive of the entire SOHO mission," he said.
More than a million images from SOHO can already be accessed, and new images from NASA's Solar Dynamics Observatory are being added every day, the ESA said.
The Web site Helioviewer.org, a Web-based image browser, complements the downloadable JHelioviewer.
"The goal of JHelioviewer, and the Helioviewer Project as a whole, is to offer intuitive interfaces to large datasets from many different sources. In effect, it is a virtual observatory," Muller said.
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