Daily Sunspot Evaluation
Observation Sheet Monday, 8 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)
- 11
- Number of spots (f)
- 80
- Relative number (R)
- 190
- Observer
- TÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800908.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 10 | 12 | 71W | 291 ⚠ | 74W | 12 | |
| 2 | EKC – 14 | 23 | 43W | 269 | 46W | 12 | |
| 3 | BXI – 4 | 19 | 22W | 249 | 25W | 1.5 | |
| 4 | CAO – 7 | 26 | 03W | 230 | 06W | 7 | |
| 5 | CAI – 22 | 15 | 01E | 226 | 02W | 11.5 | |
| 6 | BEO – 8 | 7 | 55E | 172 | 52E | 5 | |
| 7 | AXX – 1 | 18 | 79E | 148 | 76E | - | |
| 8 | CAO – 4 | 14 | 83E | 144 | 80E | - | |
| 9 | DEK – 8 | -6 | 75W | 302 | 78W | 11 | |
| 10 | HAX – 1 | -4 | 61W | 288 | 64W | 1.5 | |
| 11 | AXX – 1 | -24 | 05W | 232 | 08W | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.