Daily Sunspot Evaluation
Observation Sheet Sunday, 26 June 1960
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)
- 7
- Number of spots (f)
- 64
- Relative number (R)
- 134
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600626.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 6 | 28 | 71E | ||||
| 2 | H – 9 | 8 | 37E | ||||
| 3 | A – 3 | 1 | 10E | ||||
| 4 | G – 3 | -8 | 45E | ||||
| 5 | A – 1 | -8 | 31E | ||||
| 6 | H – 6 | 13 | 67W | ||||
| 7 | C – 36 | 20 | 6WE |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.