Daily Sunspot Evaluation
Observation Sheet Thursday, 11 October 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)
- 9
- Number of spots (f)
- 97
- Relative number (R)
- 187
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19791011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 27 | 12 | 03E | 297 | 255 | ||
| 2 | E – 30 | 26 | 48E | 252 | 257 | ||
| 3 | H – 5 | 12 | 65E | 235 | 261 | ||
| 4 | A – 1 | -33 | 38E | 262 | 258 | ||
| 5 | D – 11 | -13 | 41W | 341 | 256 | ||
| 6 | C – 8 | -5 | 40W | 340 | 259 | ||
| 7 | B – 4 | 13 | 63W | 3 | 243 | ||
| 8 | G – 4 | 16 | 24W | 324 | 249 | ||
| 9 | G – 7 | 25 | 31W | 331 | 246 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.