Daily Sunspot Evaluation
Observation Sheet Friday, 29 August 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)
- 9
- Number of spots (f)
- 92
- Relative number (R)
- 182
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800829.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 18 | 29E | 331 | 25E | ||
| 2 | DKC – 19 | 12 | 61E | 299 | 57E | 10.5 | |
| 3 | AXX – 2 | 13 | 74E | 286 | 70E | 1 | |
| 4 | DSO – 5 | 9 | 37W | 37 | 41W | 4.5 | |
| 5 | CAI – 17 | 10 | 10W | 10 | 14W | 8 | |
| 6 | ELC – 33 | -8 | 62E | 298 | 58E | 14 | |
| 7 | DKO – 5 | -5 | 73E | 287 | 69E | 7 | |
| 8 | HRX – 1 | -5 | 64W | 64 | 68W | ||
| 9 | EKO – 9 | -27 | 03W | 3 | 07W | 11.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.