Daily Sunspot Evaluation
Observation Sheet Sunday, 26 September 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)
- 3
- Number of spots (f)
- 42
- Relative number (R)
- 72
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19930926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 4 | 39W | 0 ⚠ | 42W | - | 241 |
| 2 | DRI – 9 | 20 | 03E | 218 ⚠ | 0 | 4.5 | 240 |
| 3 | DKI – 32 | -7 | 49W | 340 | 22 | 10 | 238 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.