Daily Sunspot Evaluation
Observation Sheet Monday, 10 October 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)
- 16
- Relative number (R)
- 46
- Observer
- GA
- Reading
- all checks consistent
- File
- 19771010.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 24 | 70E | 159 | 69W | ||
| 2 | D – 12 | 7 | 22E | 207 | 21E | ||
| 3 | ? – 1 | 18 | 71W | 300 | 72W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.