Daily Sunspot Evaluation
Observation Sheet Monday, 30 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)
- 5
- Number of spots (f)
- 73
- Relative number (R)
- 123
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790430.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 9 | 25 | 11E | 298 | 10E | 239 | |
| 2 | F – 29 | 15 | 28E | 281 | 27E | 238 | |
| 3 | ? – 1 | -24 | 83E | 226 | 82E | 247 | |
| 4 | H – 15 | -26 | 06W | 315 | 07W | 237 | |
| 5 | E – 19 | 17 | 23W | 332 | 24W | 236 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.