Daily Sunspot Evaluation
Observation Sheet Friday, 25 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)
- 6
- Number of spots (f)
- 26
- Relative number (R)
- 86
- Observer
- OG
- Reading
- all checks consistent
- File
- 19780825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 11 | 49E | 291 | 46E | ||
| 2 | B – 12 | -16 | 29E | 311 | 26E | ||
| 3 | D – 6 | -24 | 18E | 322 | 15E | ||
| 4 | H – 3 | -20 | 55W | 35 | 58W | ||
| 5 | A – 1 | 19 | 40W | 20 | 43W | ||
| 6 | B – 2 | 26 | 29W | 9 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.