Daily Sunspot Evaluation
Observation Sheet Saturday, 1 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)
- 31
- Relative number (R)
- 51
- Observer
- TA
- Reading
- all checks consistent
- File
- 19971101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 19 | 27W | 30 | 30W | 0.5 | 91 |
| 2 | DSO – 29 | -18 | 11E | 352 | 08E | 3 | 90 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.