Table 5.
Summary of the observations used for the final daily projected area composite.
| Order | Obs. | Data | % of which, used |
|---|---|---|---|
| name | coverage | in this catalog | |
| 1 | RGO | 1876–1976 | 100% |
| 2 | Kislovodsk | 1952–2019 | 62% |
| 3 | Debrecen | 1974–2018 | 17% |
Notes. Last column of the table, lists the overall fraction of the data from a given archive used for the composite. For example, all the available RGO data (100%) have been used in the final catalog, whereas only 16% of the available Debrecen data are used.
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