Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 7
- Number of spots (f)
- 33
- Relative number (R)
- 103
- Observer
- SM
- Reading
- all checks consistent
- File
- 19670914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 21 | 12 | 1°E | 189187 | |||
| 2 | B – 2 | 17 | 14°E | 202714 | |||
| 3 | J – 2 | -30 | 41°E | 229147 | |||
| 4 | B – 4 | -21 | 40°W | 148 | |||
| 5 | H – 1 | -24 | 75°W | 113265 | |||
| 6 | ? – 2 | 22 | 83°W | 10521 | |||
| 7 | ? – 1 | 26 | 80°W | 108218 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.