Daily Sunspot Evaluation
Observation Sheet Saturday, 25 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)
- 37
- Relative number (R)
- 67
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19930925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 3 | 5 | 26W | 0.11 | 23W | 2.5 | 241 |
| 2 | CAF – 6 | 20 | 17E | 318 | 14E | 4 | 240 |
| 3 | DKF – 28 | -7 | 05N | 340 | 08W | 9 | 238 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.