Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 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)
- 19
- Relative number (R)
- 79
- Observer
- SM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 25 | 18E | 310297 | |||
| 2 | H – 1 | -15 | 39E | 289276 ⚠ | |||
| 3 | B – 2 | -22 | 51E | 277264 ⚠ | |||
| 4 | H – 1 | 19 | 36W | 4357 | |||
| 5 | C – 10 | 25 | 32W | 360347 ⚠ | |||
| 6 | B – 2 | 23 | 4W | 332313 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.