Daily Sunspot Evaluation
Observation Sheet Monday, 15 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)
- 4
- Number of spots (f)
- 15
- Relative number (R)
- 55
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20030915.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 18 | 78E | 64 | 78E | ? | 257 |
| 2 | ? – 4 | -7 | 82W | 224 | 82W | ? | 253 |
| 3 | HA – 3 | -10 | 62W | 204 | 62W | 3 | 254 |
| 4 | HA – 7 | -10 | 30E | 112 | 30E | 3 | 256 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.