Daily Sunspot Evaluation
Observation Sheet Wednesday, 31 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)
- 20
- Relative number (R)
- 50
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20050831.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 7 | 10 | 03W | 58 | 06W | x5 | |
| 2 | HA – 3 | -9 | 33E | 22 | 30E | 3 | |
| 3 | CAI – 10 | -16 | 33E | 22 | 30E | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.