Daily Sunspot Evaluation
Observation Sheet Monday, 7 August 1978
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)
- 30
- Relative number (R)
- 70
- Observer
- ED
- Reading
- all checks consistent
- File
- 19780807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 18 | 44E | 175 | 41E | ||
| 2 | B – 2 | 18 | 57E | 162 | 54E | ||
| 3 | E – 20 | -26 | 47E | 172 | 44E | ||
| 4 | C – 7 | -23 | 52W | 271 | 55W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.