Daily Sunspot Evaluation
Observation Sheet Saturday, 26 July 2003
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)
- 5
- Number of spots (f)
- 6
- Relative number (R)
- 56
- Observer
- HE
- Reading
- all checks consistent
- File
- 20030726.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 15 | 71W | 169 | 73W | 1 | 201 |
| 2 | HR – 1 | 10 | 28E | 70 | 26E | 0.5 | 209 |
| 3 | HA – 1 | 10 | 35E | 63 | 33E | 0.5 | 211 |
| 4 | HA – 1 | 11 | 58E | 40 | 56E | 1 | 210 |
| 5 | HS – 2 | -3 | 40W | 138 | 42W | 3 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.