Daily Sunspot Evaluation
Observation Sheet Friday, 14 July 1967
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)
- 6
- Number of spots (f)
- 49
- Relative number (R)
- 109
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -19 | 81E | 208 | |||
| 2 | D – 13 | -19 | 42E | 247 | |||
| 3 | A – 1 | -22 | 26E | 263 | |||
| 4 | J – 4 | -14 | 10E | 279 | |||
| 5 | D – 17 | 22 | 60W | 349 | |||
| 6 | B – 13 | 24 | 9W | 298 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.