Daily Sunspot Evaluation
Observation Sheet Thursday, 11 September 2003
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)
- 24
- Relative number (R)
- 44
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030911.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 19 | -7 | 26W | 221 | 26W | 8 | 253 |
| 2 | CRO – 5 | -11 | 09W | 204 | 09W | 10 | 254 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.