Daily Sunspot Evaluation
Observation Sheet Friday, 2 September 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)
- 7
- Number of spots (f)
- 116
- Relative number (R)
- 186
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19880902.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 34 | 21 | 18W | 278 | 21W | 14.5 | 197 |
| 2 | AX – 1 | 28 | 57E | 203 | 54E | 0.5 | 205 |
| 3 | AX – 1 | 24 | 57E | 203 | 54E | 206 | |
| 4 | DKK – 9 | -22 | 28W | 288 | 31W | 4. | 195 |
| 5 | BXX – 6 | -27 | 19W | 279 | 22W | 2.5 | 198 |
| 6 | CAO – 6 | -14 | 06W | 266 | 09W | 4. | 200 |
| 7 | EKC – 59 | -20 | 07E | 253 | 04E | 14. | 201 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.