Daily Sunspot Evaluation
Observation Sheet Monday, 26 June 1961
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)
- 5
- Number of spots (f)
- 20
- Relative number (R)
- 70
- Observer
- BG
- Reading
- all checks consistent
- File
- 19610626.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | -14 | 77W | ||||
| 2 | D – 5 | -6 | 66W | ||||
| 3 | A – 3 | 10 | 40W | ||||
| 4 | ? – 1 | 12 | 82W | ||||
| 5 | C – 9 | 15 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.