Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 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)
- 7
- Number of spots (f)
- 78
- Relative number (R)
- 148
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19780809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 28 | 23E | 170 | 19E | ||
| 2 | A – 5 | 16 | 18E | 175 | 14E | ||
| 3 | B – 3 | 16 | 32E | 161 | 28E | ||
| 4 | F – 64 | -26 | 22E | 171 | 18E | ||
| 5 | A – 1 | -32 | 16W | 209 | 20W | ||
| 6 | A – 1 | -20 | 14W | 207 | 18W | ||
| 7 | J – 2 | -25 | 79W | 272 | 83W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.