Daily Sunspot Evaluation
Observation Sheet Friday, 21 November 1975
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)
- 2
- Number of spots (f)
- 21
- Relative number (R)
- 41
- Observer
- GA
- Reading
- all checks consistent
- File
- 19751121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 19 | -8 | 21W | 346 | 23W | ||
| 2 | ? – 2 | 6 | 72W | 37 | 74W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.