Daily Sunspot Evaluation
Observation Sheet Friday, 8 September 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)
- 5
- Number of spots (f)
- 75
- Relative number (R)
- 125
- Observer
- FY
- Reading
- all checks consistent
- File
- 19780908.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 13 | 33 | 48E | 104 | 48E | ||
| 2 | ? – 1 | 17 | 81E | 72 | 80E | ||
| 3 | F – 39 | -33 | 38W | 191 | 39W | ||
| 4 | D – 12 | -23 | 42W | 195 | 43W | ||
| 5 | E – 10 | 15 | 60W | 213 | 61W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.