Daily Sunspot Evaluation
Observation Sheet Sunday, 25 April 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)
- 9
- Number of spots (f)
- 89
- Relative number (R)
- 179
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820425.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 6 | 78W | 29 | 81W | 2 | 163 |
| 2 | BXO – 3 | 2 | 40W | 351 | 43W | 5 | 160 |
| 3 | DKC – 30 | 18 | 05W | 316 | 08W | 10 | 177 |
| 4 | HAX – 1 | 4 | 03W | 314 | 06W | 1.75 | 172 |
| 5 | EKC – 24 | 11 | 00 | 311 | 03W | 14 | 171 |
| 6 | BXO – 4 | 24 | 10E | 301 | 07E | 3 | 181 |
| 7 | DKO – 14 | 21 | 19E | 292 | 16E | 10 | 176 |
| 8 | BRI – 7 | -3 | 53W | 4 | 56W | 5 | 175 |
| 9 | CAO – 5 | -12 | 22W | 333 | 25W | 3.75 | 174 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.