Daily Sunspot Evaluation
Observation Sheet Sunday, 25 September 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)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 2 | 9 | 27W | 110 | 28W | ~3 | |
| 2 | DAO – 3 | -1 | 56E | 27 | 35E | ~7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.