Daily Sunspot Evaluation
Observation Sheet Wednesday, 24 May 1972
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)
- 31
- Relative number (R)
- 81
- Observer
- FA
- Reading
- all checks consistent
- File
- 19720524.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 8 | 84E | 166 | |||
| 2 | B – 5 | -21 | 34W | 284 | |||
| 3 | F – 15 | -13 | 46W | 296 | |||
| 4 | A – 2 | 7 | 37W | 287 | |||
| 5 | H – 7 | 14 | 49W | 299 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.