Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 October 1980
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)
- 10
- Number of spots (f)
- 68
- Relative number (R)
- 168
- Observer
- ED
- Reading
- counts consistent, some coordinates doubtful
- File
- 19801001.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BAI – 7 | 8 | 24W | 308 | 27W | 6 | |
| 2 | CJO – 2 | 12 | 21W | 305 | 24W | 2 | |
| 3 | HAX – 3 | 30 | 17E | 267 | 14E | 2 | |
| 4 | DAI – 17 | 22 | 23E | 261 | 20E | 6 | |
| 5 | JAC – 24 | 15 | 33E | 251 | 30E | 10 | |
| 6 | DJO – 5 | 16 | 67E | 217 | 64E | 11 | |
| 7 | AKK – 1 | -28 | 61W | 352 ⚠ | 71W | ||
| 8 | AKK – 2 | -13 | 55W | 339 | 58W | 2 | |
| 9 | AKK – 1 | -30 | 42W | 326 | 45W | ||
| 10 | DAO – 6 | -18 | 16W | 300 | 19W | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.