Daily Sunspot Evaluation
Observation Sheet Sunday, 26 July 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)
- 10
- Number of spots (f)
- 124
- Relative number (R)
- 224
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700726.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 13 | 22 | 23E | 41 | |||
| 2 | D – 22 | 17 | 20E | 44 | |||
| 3 | A – 4 | 9 | 65E | 359 | |||
| 4 | D – 23 | 6 | 42E | 22 | |||
| 5 | A – 4 | -2 | 44E | 20 | |||
| 6 | H – 8 | -8 | 66E | 358 | |||
| 7 | A – 3 | -5 | 42E | 20 | |||
| 8 | G – 4 | -14 | 19E | 45 | |||
| 9 | B – 6 | -22 | 23E | 41 | |||
| 10 | F – 37 | 9 | 26W | 90 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.