Daily Sunspot Evaluation
Observation Sheet Saturday, 24 September 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)
- 73
- Relative number (R)
- 113
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19660924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 54 | 22 | 37E | 157 | |||
| 2 | H – 5 | 7 | 63W | 217 ⚠ | |||
| 3 | A – 1 | 19 | 50W | 244 | |||
| 4 | G – 13 | 22 | 38W | 232 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.