Daily Sunspot Evaluation
Observation Sheet Wednesday, 18 August 1982
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)
- 8
- Number of spots (f)
- 62
- Relative number (R)
- 142
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820818.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 11 | 14 | 50W | 280 | 54W | 6 | 314 |
| 2 | DAI – 12 | 8 | 50W | 280 | 54W | 9.5 | 311 |
| 3 | AXX – 1 | 20 | 32W | 262 | 36W | - | 316 |
| 4 | DAO – 7 | 26 | 36E | 194 | 32E | 6 | 312 |
| 5 | HSX – 1 | -8 | 69W | 299 | 73W | 2 | 292 |
| 6 | EKC – 24 | -12 | 36W | 266 | 40W | 14.5 | 301 |
| 7 | ARX – 3 | -5 | 19E | 214 | 15E | 2 | 309 |
| 8 | ECKT – 3 | -13 | 71E | 159 | 67E | 9 | 315 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.