Daily Sunspot Evaluation
Observation Sheet Monday, 20 June 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)
- 20
- Relative number (R)
- 40
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050620.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKO – 10 | -18 | 52W | 336 | 52W | 12 | |
| 2 | DAO – 10 | -7 | 31E | 253 | 31E | ~4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.