Daily Sunspot Evaluation
Observation Sheet Thursday, 10 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)
- 12
- Number of spots (f)
- 78
- Relative number (R)
- 198
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 20 | 18E | 159 | 16E | 260 | |
| 2 | D – 21 | 8 | 14E | 163 | 42E | 261 | |
| 3 | D – 4 | 30 | 51E | 126 | 48E | 258 | |
| 4 | H – 4 | 5 | 30E | 147 | 28E | 255 | |
| 5 | J – 1 | -14 | 60E | 117 | 58E | 257 | |
| 6 | C – 6 | -14 | 42E | 135 | 40E | 259 | |
| 7 | D – 1 | -20 | 24E | 153 | 22E | 256 | |
| 8 | A – 3 | -30 | 06E | 171 | 04E | 262 | |
| 9 | A – 3 | -30 | 08W | 185 | 40W | 263 | |
| 10 | J – 2 | -26 | 10W | 187 | 42W | 250 | |
| 11 | A – 4 | 24 | 12W | 189 | 44W | 254 | |
| 12 | E – 28 | 22 | 02W | 179 | 04W | 253 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.