Daily Sunspot Evaluation
Observation Sheet Friday, 26 February 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)
- 5
- Number of spots (f)
- 46
- Relative number (R)
- 96
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 9 | 10 | 15E | ||||
| 2 | A – 2 | 25 | 50E | ||||
| 3 | C – 4 | -18 | 39E | ||||
| 4 | C – 10 | -21 | 19W | ||||
| 5 | E – 21 | 8 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.