Daily Sunspot Evaluation
Observation Sheet Monday, 24 July 1978
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)
- 7
- Relative number (R)
- 47
- Observer
- HM
- Reading
- all checks consistent
- File
- 19780724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 19 | 14E | 30 | 11E | ||
| 2 | B – 2 | 27 | 31E | 13 | 28E | ||
| 3 | B – 3 | 12 | 64W | 108 | 67W | ||
| 4 | D – 1 | 16 | 72W | 116 | 75W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.