Daily Sunspot Evaluation
Observation Sheet Monday, 25 July 1966
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)
- 6
- Number of spots (f)
- 69
- Relative number (R)
- 129
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 34 | 37 | 11°E | 270 | |||
| 2 | H – 28 | 22 | 25°E | 256 | |||
| 3 | ? – 2 | 24 | 73°E | 208 | |||
| 4 | A – 1 | 4 | 35°E | 246 | |||
| 5 | A – 1 | -3 | 29°W | 310 | |||
| 6 | B – 3 | 35 | 26°W | 364 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.