Daily Sunspot Evaluation
Observation Sheet Sunday, 7 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)
- 4
- Number of spots (f)
- 20
- Relative number (R)
- 60
- Observer
- MS
- Reading
- all checks consistent
- File
- 20050807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 7 | 11 | 47W | 57 | 48W | -5.5 | |
| 2 | HA – 3 | 12 | 08W | 16 | 09W | 2 | |
| 3 | HR – 2 | -8 | 44W | 54 | 45W | 1.5 | |
| 4 | CKI – 8 | -12 | 14W | 24 | 15W | ~8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.