Daily Sunspot Evaluation
Observation Sheet Sunday, 9 July 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)
- 7
- Number of spots (f)
- 49
- Relative number (R)
- 119
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 29 | 42E | 200 | 39E | ||
| 2 | F – 8 | 18 | 74E | 168 | 71E | ||
| 3 | C – 12 | -18 | 43E | 199 | 40E | ||
| 4 | E – 18 | -20 | 02E | 240 | 01W | ||
| 5 | A – 1 | -32 | 13W | 255 | 16W | ||
| 6 | ? – 4 | -18 | 70W | 312 | 73W | ||
| 7 | J – 3 | 19 | 42W | 284 | 45W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.