Daily Sunspot Evaluation
Observation Sheet Saturday, 11 June 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)
- 29
- Relative number (R)
- 79
- Observer
- FL
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 26 | 80W | 357 | 88W | 4 | 109 |
| 2 | HA – 1 | 129 | 60W | 332 ⚠ | 63W | 2 | 111 |
| 3 | DAI – 8 | 13 | 36E | 241 | 83E | 8 | 120 |
| 4 | BRO – 6 | -22 | 50W | 327 | 53W | 9.5 | 113 |
| 5 | EKI – 13 | -17 | 01E | 276 | 02W | 14 | 119 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.