Figure 2: Image of sun taken on Jat 23:39:12 UTC by ESA’s PROBA-2 satellite.Īdvanced users, including scientists, will want to download JHelioviewer, a related software application for Windows/MacOS/Linux, that provides additional visualization capability. Finally, the site provides shortcuts to sharing links to the current viewport over email or social media channels. Helioviewer also provides a button to easily download a screenshot of the window or request a sequence of images from the Virtual Solar Observatory. Users can then export to YouTube where a number of Helioviewer clips already exist. Users can generate a video of either the full screen or a selected portion along with a start and end date/time. There are several export options available within Helioviewer (see box shown in Figure 2). Starting with images from September 1991, users can examine images from specific observation dates, moving at time increments as small as 1 second, and overlay images along with adding notations of predetermined features and events. This project, funded by NASA and the European Space Agency (ESA), enables searching and viewing images within the massive datasets obtained from 9 solar observatories. Figure 1: Image of a massive X-2 class solar flare on Janu18:27 UTC by the LASCO instrument on the space-based Solar and Heliospheric Observatory.Īre you curious to see what an active solar storm or sunspots look like? Helioviewer is an open-source visualization tool that makes it possible for everyone to explore images of the Sun and related solar features and events, over time.
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