Daily Sunspot Evaluation
Observation Sheet Monday, 28 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)
- 8
- Number of spots (f)
- 108
- Relative number (R)
- 188
- Observer
- AE
- Reading
- all checks consistent
- File
- 19670828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 25 | 87E | 326 | |||
| 2 | ? – 1 | -29 | 74E | 339 | |||
| 3 | B – 4 | -28 | 36E | 17 | |||
| 4 | C – 37 | -22 | 30W | 83 | |||
| 5 | B – 22 | 12 | 28W | 81 | |||
| 6 | J – 1 | 13 | 17W | 70 | |||
| 7 | F – 41 | 23 | 31W | 84 | |||
| 8 | A – 1 | 24 | 42W | 95 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.