Daily Sunspot Evaluation
Observation Sheet Thursday, 5 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)
- 7
- Number of spots (f)
- 112
- Relative number (R)
- 182
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790405.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | -25 | 75E | 206 | 72E | 207 | |
| 2 | A – 1 | -8 | 02W | 283 | 05W | 201 | |
| 3 | E – 90 | -25 | 36W | 317 | 39W | 192 | |
| 4 | C – 6 | -17 | 19W | 300 | 22W | 197 | |
| 5 | A – 4 | -22 | 70W | 351 | 73W | 209 | |
| 6 | B – 7 | -20 | 59W | 340 | 62W | 194 | |
| 7 | A – 2 | 11 | 34W | 315 | 37W | 210 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.