Daily Sunspot Evaluation
Observation Sheet Friday, 5 September 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)
- 12
- Number of spots (f)
- 134
- Relative number (R)
- 254
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800905.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 23 | 86W | 349 | 85W | ||
| 2 | EKO – 16 | 11 | 35W | 298 | 34W | 14 | |
| 3 | DAI – 23 | 22 | 07W | 270 | 06W | 10 | |
| 4 | CAI – 17 | 17 | 14E | 249 | 15E | 10 | |
| 5 | HSX – 3 | 25 | 30E | 233 | 31E | 2 | |
| 6 | EAI – 30 | 15 | 36E | 227 | 37E | 11 | |
| 7 | AXX – 1 | 25 | 37E | 226 | 38E | ||
| 8 | EKI – 32 | -7 | 39W | 302 | 38W | 11 | |
| 9 | CJO – 4 | -5 | 24W | 287 | 23W | 6 | |
| 10 | AXX – 2 | -13 | 01W | 264 | 00 | ||
| 11 | AXX – 1 | -24 | 27E | 236 | 28E | ||
| 12 | AXX – 4 | -26 | 35E | 228 | 36E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



