Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 July 2005
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)
- 16
- Relative number (R)
- 46
- Observer
- TG
- Reading
- all checks consistent
- File
- 20050712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 9 | 9 | 60W | 55 | 63W | 7 | |
| 2 | EAO – 6 | 17 | 14W | 9 | 17W | ~11 | |
| 3 | HA – 1 | -7 | 54W | 49 | 57W | ~2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.