Daily Sunspot Evaluation
Observation Sheet Sunday, 16 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)
- 8
- Number of spots (f)
- 86
- Relative number (R)
- 166
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 19 | 68°E | 194 | |||
| 2 | C – 6 | 9 | 63°E | 199 | |||
| 3 | G – 5 | -20 | 53°E | 209 | |||
| 4 | E – 58 | -19 | 13°E | 249 | |||
| 5 | C – 8 | -20 | 4°W | 266 | |||
| 6 | A – 1 | -15 | 11°W | 273 | |||
| 7 | A – 1 | -14 | 17°W | 279 | |||
| 8 | B – 6 | 25 | 36°W | 298 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.