Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 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)
- 11
- Number of spots (f)
- 61
- Relative number (R)
- 171
- Observer
- SM
- Reading
- all checks consistent
- File
- 19700526.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 11 | 61°E | 90 | |||
| 2 | ? – 1 | -9 | 83°E | 62 | |||
| 3 | H – 17 | -6 | 21°E | 130 | |||
| 4 | A – 3 | -10 | 30°E | 121 | |||
| 5 | D – 18 | -15 | 05°W | 156 | |||
| 6 | G – 4 | -8 | 63°W | 214 | |||
| 7 | A – 3 | 11 | 50°W | 201 | |||
| 8 | A – 2 | 14 | 50°W | 201 | |||
| 9 | A – 1 | 17 | 53°W | 204 | |||
| 10 | A – 2 | 20 | 45°W | 200 | |||
| 11 | B – 8 | 16 | 12°W | 163 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.