Daily Sunspot Evaluation
Observation Sheet Friday, 25 March 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)
- 94
- Relative number (R)
- 184
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600325.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 6 | 9 | 3E | ||||
| 2 | A – 1 | -14 | 65E | ||||
| 3 | E – 25 | -13 | 16E | ||||
| 4 | D – 8 | -24 | 62E | ||||
| 5 | ? – 3 | -25 | 75E | ||||
| 6 | ? – 1 | -11 | 82W | ||||
| 7 | A – 1 | -7 | 26W | ||||
| 8 | E – 19 | 17 | 46W | ||||
| 9 | E – 30 | 23 | 19W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.