Daily Sunspot Evaluation
Observation Sheet Thursday, 3 August 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)
- 7
- Number of spots (f)
- 64
- Relative number (R)
- 134
- Observer
- SK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 14 | -23 | 04W | 28 | |||
| 2 | A – 2 | -17 | 01W | 25 | |||
| 3 | H – 7 | 12 | 33W | 57 | |||
| 4 | E – 9 | 15 | 62W | 36 ⚠ | |||
| 5 | H – 2 | 17 | 49W | 73 | |||
| 6 | ? – 15 | 26 | 72W | 36 ⚠ | |||
| 7 | C – 15 | 26 | 16W | 48 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.