Daily Sunspot Evaluation
Observation Sheet Friday, 22 September 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)
- 48
- Relative number (R)
- 128
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 28 | 1E | 82 | |||
| 2 | A – 4 | 24 | 2E | 81 | |||
| 3 | A – 1 | -11 | 14E | 69 | |||
| 4 | E – 21 | -24 | 35W | 118 | |||
| 5 | J – 1 | -30 | 60W | 143 | |||
| 6 | C – 6 | 11 | 63W | 146 | |||
| 7 | B – 8 | 13 | 8W | 31 ⚠ | |||
| 8 | A – 3 | 25 | 3W | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.