Daily Sunspot Evaluation
Observation Sheet Wednesday, 13 July 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)
- 19
- Relative number (R)
- 59
- Observer
- TG
- Reading
- all checks consistent
- File
- 20050713.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 8 | 10 | 74W | 56 | 77W | ~7 | |
| 2 | ESO – 2 | 16 | 28W | 10 | 31W | ~11 | |
| 3 | HA – 1 | -7 | 66W | 48 | 69W | ~1 | |
| 4 | BXI – 8 | -12 | 23W | 5 | 26W | ~6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.