Daily Sunspot Evaluation
Observation Sheet Saturday, 9 October 1993
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)
- 4
- Number of spots (f)
- 56
- Relative number (R)
- 96
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19931009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 13 | 11 | 78W | 228 | 81W | 13 | 242 E |
| 2 | EAC – 32 | -15 | 31W | 181 | 34W | 13 | 244 E |
| 3 | BXO – 4 | -11 | 68E | 82 | 65E | 7 | 249 |
| 4 | EAI – 7 | -21 | 73E | 77 | 70E | 14 | 250 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.