Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 4
- Number of spots (f)
- 81
- Relative number (R)
- 121
- Observer
- HM
- Reading
- all checks consistent
- File
- 19880704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 26 | 13 | 28W | 4 | 31W | 18 | 133 |
| 2 | HA – 2 | 26 | 15W | 347 | 17W | 2.5 | 132 |
| 3 | CAO – 3 | -20 | 46W | 19 | 49W | 9 | 134 |
| 4 | PKC – 50 | -20 | 31W | 4 | 34W | 16.5 | 131 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.