Daily Sunspot Evaluation
Observation Sheet Sunday, 24 May 1970
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)
- 9
- Number of spots (f)
- 62
- Relative number (R)
- 152
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700524.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 15 | 15 | 13E | 165 | |||
| 2 | J – 1 | 16 | 31E | 147 | |||
| 3 | H – 6 | -7 | 50E | 128 | |||
| 4 | C – 5 | -15 | 21E | 157 | |||
| 5 | H – 12 | -9 | 33W | 211 | |||
| 6 | J – 4 | -12 | 63W | 241 | |||
| 7 | D – 4 | -8 | 67W | 245 | |||
| 8 | ? – 5 | 18 | 82W | 260 | |||
| 9 | H – 10 | 14 | 21W | 199 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



