Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 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)
- 35
- Relative number (R)
- 75
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790424.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 16 | 22 | 23E | 7 | 20E | 231 | |
| 2 | E – 13 | 19 | 59E | 331 | 56E | 234 | |
| 3 | F – 5 | -23 | 70E | 320 | 67E | 237 | |
| 4 | J – 1 | 4 | 18W | 48 | 21W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.