Daily Sunspot Evaluation
Observation Sheet Wednesday, 31 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)
- 8
- Relative number (R)
- 48
- Observer
- GA
- Reading
- all checks consistent
- File
- 19770831.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 26 | 82E | 317 | 80E | ||
| 2 | A – 2 | -31 | 02W | 40 | 04W | ||
| 3 | C – 4 | -28 | 56W | 94 | 58W | ||
| 4 | A – 1 | -26 | 63W | 101 | 65W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.