Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 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)
- 4
- Number of spots (f)
- 10
- Relative number (R)
- 50
- Observer
- FA
- Reading
- all checks consistent
- File
- 19771109.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 25 | 57E | 137 | 55E | ||
| 2 | B – 6 | -23 | 50E | 144 | 48E | ||
| 3 | ? – 1 | -24 | 74W | 268 | 76W | ||
| 4 | A – 2 | 19 | 62W | 256 | 64W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.