Daily Sunspot Evaluation
Observation Sheet Thursday, 25 August 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)
- 9
- Number of spots (f)
- 72
- Relative number (R)
- 162
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 10 | 6E | ||||
| 2 | A – 2 | 10 | 23E | ||||
| 3 | J – 1 | 7 | 18E | ||||
| 4 | H – 5 | -18 | 18W | ||||
| 5 | E – 29 | -6 | 24W | ||||
| 6 | C – 16 | 5 | 39W | ||||
| 7 | ? – 6 | 16 | 76W | ||||
| 8 | D – 6 | 28 | 44W | ||||
| 9 | B – 6 | 25 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.