Daily Sunspot Evaluation
Observation Sheet Monday, 19 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)
- 10
- Relative number (R)
- 30
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050919.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 8 | 10 | 61E | 102 | 59E | ~11 | |
| 2 | HA – 2 | -12 | 73W | 236 | 75W | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.