Daily Sunspot Evaluation
Observation Sheet Saturday, 21 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)
- 6
- Number of spots (f)
- 41
- Relative number (R)
- 101
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820821.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 9 | 26 | 04W | 194 | 07W | 7 | 312 |
| 2 | AXX – 3 | 15 | 49E | 141 | 46E | 3 | 318 |
| 3 | DAI – 6 | 14 | 60E | 130 | 51E | 6 | 317 |
| 4 | ? – 4 | -12 | 77W | 267 | 80W | - | 301 |
| 5 | AXX – 1 | -6 | 23W | 213 | 26W | - | 309 |
| 6 | EHC – 18 | -13 | 36E | 154 | 33E | 13 | 315 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.