Daily Sunspot Evaluation
Observation Sheet Saturday, 12 July 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)
- 5
- Number of spots (f)
- 36
- Relative number (R)
- 86
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | 9 | 28E | 256 | 25E | ~4 | 193 |
| 2 | CAO – 6 | -19 | 15W | 299 | 18W | 4 | 192 |
| 3 | DAO – 19 | -10 | 08W | 292 | 11W | ~3.5 | 187 |
| 4 | AX – 1 | -10 | 04E | 280 | 01E | - | 190 |
| 5 | CAO – 6 | -11 | 63E | 221 | 60E | 7.5 | 191 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.