Daily Sunspot Evaluation
Observation Sheet Friday, 24 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)
- 32
- Relative number (R)
- 72
- Observer
- BG
- Reading
- all checks consistent
- File
- 19610324.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 11 | 9 | 22E | ||||
| 2 | C – 6 | 7 | 37E | ||||
| 3 | C – 8 | 4 | 40W | ||||
| 4 | D – 7 | 9 | 38W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.