Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 November 1997
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)
- 17
- Relative number (R)
- 37
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19971111.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DHO – 8 | 22 | 75W | 304 | 75W | 3 | 57 |
| 2 | CRI – 9 | 29 | 36W | 265 | 36W | 4 | 97 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.