Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 September 1987
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)
- 3
- Number of spots (f)
- 46
- Relative number (R)
- 76
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19870908.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | -25 | 34W | 5 | 36W | -71 | 63 |
| 2 | EKC – 40 | -22 | 10W | 341 | 12W | 1272 | 64 |
| 3 | CAO – 5 | -26 | 55E | 276 | 53E | 474 | 65 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.