Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 April 1979
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)
- 4
- Number of spots (f)
- 48
- Relative number (R)
- 88
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790425.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 6 | 21 | 10E | 7 | 07E | 231 | |
| 2 | F – 28 | 19 | 47E | 330 | 44E | 234 | |
| 3 | H – 13 | -23 | 58E | 319 | 55E | 237 | |
| 4 | J – 1 | 4 | 32W | 19 ⚠ | 35W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.