Daily Sunspot Evaluation
Observation Sheet Thursday, 24 August 1978
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 4
- Number of spots (f)
- 18
- Relative number (R)
- 58
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19780824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 12 | 64E | 280 ⚠ | 61E | ||
| 2 | D – 12 | -16 | 42E | 312 | 38E | ||
| 3 | H – 2 | -19 | 42W | 36 | 45W | ||
| 4 | C – 3 | 21 | 30W | 24 | 33W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.