Daily Sunspot Evaluation
Observation Sheet Sunday, 24 July 1988
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)
- 30
- Relative number (R)
- 90
- Observer
- HÇ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 8 | 21 | 40W | 108 | 42W | 6.5 | 155 |
| 2 | CRO – 9 | 24 | 29W | 97 | 22W | 7.5 | 152 |
| 3 | DKO – 3 | 12 | 60E | 8 | 57E | 8 | 153 |
| 4 | BRO – 7 | -23 | 22W | 100 ⚠ | 25W | 5.5 | 192,5 |
| 5 | AK – 1 | -24 | 24W | 92 | 27W | 149 | |
| 6 | ? – 2 | 156 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.