Daily Sunspot Evaluation
Observation Sheet Friday, 11 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)
- 10
- Number of spots (f)
- 67
- Relative number (R)
- 167
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790511.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 23 | 7 | 01E | 161 | 02W | 261 | |
| 2 | J – 3 | 29 | 39E | 126 | 36E | 258 | |
| 3 | H – 5 | 4 | 18E | 147 | 15E | 255 | |
| 4 | J – 2 | 13 | 80E | 85 | 77E | 264 | |
| 5 | J – 1 | -14 | 48E | 117 | 45E | 257 | |
| 6 | B – 4 | -14 | 29E | 136 | 26E | 259 | |
| 7 | A – 6 | -21 | 12E | 153 | 09E | 256 | |
| 8 | J – 1 | -27 | 21W | 186 | 24W | 250 | |
| 9 | E – 16 | 21 | 14W | 179 | 17W | 253 | |
| 10 | A – 6 | 21 | 23W | 188 | 26W | 254 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.