Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 March 1961
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)
- 4
- Number of spots (f)
- 30
- Relative number (R)
- 70
- Observer
- PO
- Reading
- all checks consistent
- File
- 19610308.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 0 | 13E | ||||
| 2 | ? – 1 | -7 | 85E | ||||
| 3 | B – 15 | -9 | 9W | (2) | |||
| 4 | D – 13 | 4 | 13W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.