Daily Sunspot Evaluation
Observation Sheet Saturday, 9 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)
- 5
- Number of spots (f)
- 40
- Relative number (R)
- 90
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 26 | 81W | 348 | 84W | 3 | 132 |
| 2 | BXO – 3 | 30 | 40W | 307 | 48E | 4.5 | 139 |
| 3 | EKC – 25 | 22 | 19E | 257 ⚠ | 07E | 11 | 137 |
| 4 | EAI – 10 | 24 | 55E | 212 | 52E | 11 | 138 |
| 5 | AX – 1 | -13 | 33E | 284 ⚠ | 30E | 149 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.