Daily Sunspot Evaluation
Observation Sheet Friday, 9 June 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)
- 9
- Relative number (R)
- 49
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780609.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 17 | 11°E | 268 | 08°E | ||
| 2 | C – 4 | 19 | 67E | 212 | 64E | ||
| 3 | B – 2 | -11 | 40E | 239 | 37E | ||
| 4 | ? – 1 | -30 | 83W | 2 | 86W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.