Open Access
Table 2.
Observers A–F shown in Fig. 3.
| Observer | AR location | Δϕ [°] |
|---|---|---|
| A | W79 | 30 |
| B | W49 | 0 |
| C | W19 | −30 |
| D | E11 | −60 |
| E | E41 | −90 |
| F | E71 | −120 |
Notes. Columns are from left to right: Observer label, location of the AR source of the event with respect to the observer, and Δϕ (see Eq. (16)). All observers are located at latitude δ = 15°.
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