Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 July 1967
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)
- 7
- Number of spots (f)
- 82
- Relative number (R)
- 152
- Observer
- AE
- Reading
- all checks consistent
- File
- 19670725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 43 | 26 | 43E | 100 | E | ||
| 2 | G – 9 | 13 | 61E | 82 | E | ||
| 3 | A – 6 | -18 | 4W | 147 | |||
| 4 | J – 2 | -21 | 17W | 160 | |||
| 5 | B – 12 | -8 | 11W | 154 | |||
| 6 | J – 2 | -30 | 40W | 183 | |||
| 7 | B – 8 | 29 | 50W | 193 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.