Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 November 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)
- 2
- Number of spots (f)
- 2
- Relative number (R)
- 22
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19871110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 17 | 51E | 168 | 49E | 181 | 90 |
| 2 | HAX – 1 | -23 | 34W | 253 | 36W | 191 | 28 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.