Daily Sunspot Evaluation
Observation Sheet Wednesday, 17 August 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)
- 35
- Relative number (R)
- 95
- Observer
- HE
- Reading
- all checks consistent
- File
- 19880817.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 11 | 15 | 50W | 161 | 53W | 11 | 170 |
| 2 | DAO – 6 | 23 | 45W | 156 | 48W | 8.25 | 171 |
| 3 | BRO – 4 | 22 | 38W | 149 | 41W | 6.25 | 178 |
| 4 | AX – 4 | 24 | 21E | 90 | 18E | 1.5 | 175 |
| 5 | HK – 8 | -22 | 38W | 149 | 41W | 5.5 | 183 |
| 6 | AX – 2 | -17 | 34W | 145 | 37W | 1 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.