Daily Sunspot Evaluation
Observation Sheet Friday, 8 August 1975
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)
- 2
- Number of spots (f)
- 99
- Relative number (R)
- 119
- Observer
- GA
- Reading
- all checks consistent
- File
- 19750808.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 48 | 9 | 15°E | 253 | 15°E | ||
| 2 | F – 51 | 7 | 40W | 308 | 40W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.