Daily Sunspot Evaluation
Observation Sheet Sunday, 24 March 1957
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)
- 34
- Relative number (R)
- 84
- Observer
- MH
- Reading
- all checks consistent
- File
- 19570324.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 39 | 17E | ||||
| 2 | C – 6 | 33 | 53E | ||||
| 3 | C – 5 | 10 | 57E | ||||
| 4 | F – 12 | -14 | 25E | ||||
| 5 | E – 8 | -16 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.