Daily Sunspot Evaluation
Observation Sheet Sunday, 14 August 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
- GT
- Reading
- all checks consistent
- File
- 19770814.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 32 | 50E | 213 | 48E | ||
| 2 | C – 4 | 28 | 51E | 212 | 49E | ||
| 3 | A – 1 | 21 | 70E | 193 | 68E | ||
| 4 | J – 1 | 22 | 66W | 329 | 68W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.