Daily Sunspot Evaluation
Observation Sheet Friday, 11 November 1977
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)
- 3
- Number of spots (f)
- 11
- Relative number (R)
- 41
- Observer
- GA
- Reading
- all checks consistent
- File
- 19771111.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 25 | 30°E | 138 | 28°E | ||
| 2 | J – 1 | 39 | 82E | 86 | 30E | ||
| 3 | C – 9 | -23 | 23E | 145 | 21E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.