Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 May 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)
- 11
- Number of spots (f)
- 49
- Relative number (R)
- 159
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 17 | 22 | 10E | 179 | 10E | 253 | |
| 2 | A – 1 | 20 | 28E | 160 | 28E | 260 | |
| 3 | J – 4 | 30 | 62E | 127 | 62E | 258 | |
| 4 | C – 7 | 9 | 25E | 164 | 25E | 261 | |
| 5 | H – 4 | 6 | 42E | 147 | 42E | 255 | |
| 6 | J – 1 | -14 | 70E | 119 | 70E | 257 | |
| 7 | J – 4 | -14 | 55E | 134 | 55E | 259 | |
| 8 | A – 1 | -20 | 36E | 153 | 36E | 1256 | |
| 9 | J – 2 | -26 | 02E | 187 | 02E | 250 | |
| 10 | ? – 3 | 10 | 79W | 268 | 79W | 248 | |
| 11 | B – 5 | 25 | 02W | 191 | 02W | 254 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.