Daily Sunspot Evaluation
Observation Sheet Sunday, 10 April 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
- MS
- Reading
- all checks consistent
- File
- 20050410.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 6 | -8 | 72W | 218 | 75W | ~9 | |
| 2 | HR – 1 | -6 | 21W | 167 | 24W | ~0.5 | |
| 3 | CAO – 9 | -8 | 21E | 125 | 18E | ~4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.