Daily Sunspot Evaluation
Observation Sheet Wednesday, 11 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)
- 43
- Relative number (R)
- 113
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790411.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 10 | 19 | 19E | 182 | 17E | 212 | |
| 2 | H – 19 | 5 | 59E | 142 | 57E | 215 | |
| 3 | J – 1 | 10 | 71E | 130 | 69E | 217 | |
| 4 | A – 2 | -15 | 15E | 186 | 13E | 218 | |
| 5 | C – 6 | -27 | 39W | 240 | 41W | 214 | |
| 6 | C – 4 | -13 | 72W | 273 | 74W | 0 211 | |
| 7 | J – 1 | 14 | 78W | 279 | 80W | 219 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.