Shows available years for each observatory and data type. Green cells indicate years with available data.
ℹ️ How to Use
Interactive Table: The table is generated from a pre-aggregated availability index and loads almost instantly.
Click to View Data: Click on any green cell (●) to open the IIIF viewer with the corresponding magnetogram data for that year.
Multiple Versions: A superscript number (●²) means the year has more than one manifest — split parts, or light/dark density scans of the same film. Clicking such a cell lets you pick which one to open.
Filtering: Use the controls above to filter by data type, region, or year range to focus on specific datasets.
Navigation: Observatory names and year headers remain fixed while scrolling for easy navigation.
Display Options
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Legend
Data Available - Click ● to open IIIF viewer
(●2 = several versions for that year; click to choose)