Daily Sunspot Evaluation
Observation Sheet Thursday, 24 May 1951
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)
- 6
- Number of spots (f)
- 66
- Relative number (R)
- 126
- Observer
- MH
- Reading
- all checks consistent
- File
- 19510524.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 4 | 0.76 | 96 | |
| 2 | J – 2 | 0.14 | 108 | |
| 3 | H – 6 | 0.44 | 222 | |
| 4 | J – 1 | 0.58 | 228 | |
| 5 | E – 25 | 0.56 | 293 | |
| 6 | E – 28 | 0.42 | 299 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.