Daily Sunspot Evaluation
Observation Sheet Thursday, 25 August 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)
- 30
- Relative number (R)
- 60
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20050825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 19 | 16 | 25W | 158 | 27W | ~10 | |
| 2 | HA – 4 | 10 | 21E | 112 | 19E | 3.5 | |
| 3 | DAC – 7 | 11 | 75E | 58 | 32E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.