Daily Sunspot Evaluation
Observation Sheet Monday, 25 January 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)
- 11
- Number of spots (f)
- 120
- Relative number (R)
- 230
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 26 | 22 | 31E | ||||
| 2 | C – 13 | 10 | 29E | ||||
| 3 | J – 1 | 9 | 37E | ||||
| 4 | F – 55 | 7 | 54E | ||||
| 5 | H – 1 | 8 | 73E | ||||
| 6 | ? – 4 | -16 | 83E | ||||
| 7 | H – 2 | -9 | 12E | ||||
| 8 | B – 3 | 11 | 68W | ||||
| 9 | H – 3 | 14 | 31W | ||||
| 10 | C – 10 | 28 | 45W | ||||
| 11 | A – 2 | 24 | 28W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.