Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 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)
- 4
- Number of spots (f)
- 49
- Relative number (R)
- 89
- Observer
- SK
- Reading
- all checks consistent
- File
- 19660726.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 12 | 23 | 11E | 256 | 5365 | ||
| 2 | J – 1 | 35 | 62E | 205 | EE | ||
| 3 | ? – 2 | 23 | 82E | 185 | E | ||
| 4 | E – 34 | 36 | 02W | 269 | EE |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.