Daily Sunspot Evaluation
Observation Sheet Tuesday, 17 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)
- 53
- Relative number (R)
- 133
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19820817.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 10 | 00W | 322 ⚠ | 03W | 287 | |
| 2 | CAI – 7 | 14 | 37W | 279 | 40W | 4 | 314 |
| 3 | DAI – 18 | 8 | 36W | 278 | 39W | 9 | 311 |
| 4 | BXO – 3 | 26 | 49E | 193 | 46E | 45 | 312 |
| 5 | HSX – 1 | -8 | 57W | 299 | 60W | 2 | 292 |
| 6 | EKC – 19 | -12 | 24W | 266 | 27W | 14 | 301 |
| 7 | ARX – 1 | -15 | 24W | 266 | 27W | 313 | |
| 8 | CAO – 3 | -5 | 33E | 209 | 30E | 55 | 309 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.