Starting Monday, March 9, 2026 helioviewer.org and other Helioviewer Project services will be brought down to accommodate a scheduled transition to a new location. Users should expect outages and intermittent availability of helioviewer.org and other Helioviewer Project services for several days.

During this period users should expect the following:

• helioviewer.org will be temporarily unavailable
• JHelioviewer users may not be able to load data from GSFC
• Helioviewer API and other services will be temporarily interrupted

You may use the Helioviewer instance at IAS during the maintenance window.

We apologize for any inconvenience and appreciate your patience during this planned downtime.