Daily Sunspot Evaluation
Observation Sheet Thursday, 24 May 1973
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)
- 41
- Relative number (R)
- 91
- Observer
- SK
- Reading
- all checks consistent
- File
- 19730524.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 1 | 25°E | 86 | 95 | ||
| 2 | A – 11 | -3 | 13°E | 98 | 91 | ||
| 3 | G – 5 | -6 | 26°E | 85 | 96 | ||
| 4 | B – 4 | -11 | 01°E | 110 | 98 | ||
| 5 | H – 19 | 11 | 38°W | 149 | 88 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.