Daily Sunspot Evaluation
Observation Sheet Monday, 10 September 1979
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)
- 131
- Relative number (R)
- 231
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790910.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 50 | 14 | 07E | 345 | 04E | 190 | |
| 2 | A – 2 | 24 | 24E | 328 | 21E | 192 | |
| 3 | ? – 2 | 27 | 74E | 278 | 71E | 197 | |
| 4 | D – 18 | 15 | 49E | 303 | 46E | 195 | |
| 5 | D – 14 | 9 | 50E | 302 | 47E | 196 | |
| 6 | B – 6 | -26 | 19W | 11 | 22W | 198 | |
| 7 | H – 6 | -18 | 47W | 39 | 50W | 183 | |
| 8 | E – 28 | 15 | 57W | 49 | 60W | 182 | |
| 9 | H – 3 | 22 | 72W | 64 | 75W | 178 | |
| 10 | A – 2 | 29 | 05W | 357 | 08W | 199 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.