Daily Sunspot Evaluation
Observation Sheet Monday, 9 October 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)
- 33
- Relative number (R)
- 113
- Observer
- DK
- Reading
- all checks consistent
- File
- 19671009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 18 | 03E | 214 | |||
| 2 | A – 2 | 20 | 14E | 203 | |||
| 3 | B – 7 | 14 | 23E | 194 | |||
| 4 | J – 1 | -26 | 09W | 226 | |||
| 5 | A – 2 | -18 | 45W | 262 | |||
| 6 | ? – 2 | -17 | 84W | 301 | |||
| 7 | D – 14 | 13 | 47W | 264 | |||
| 8 | J – 1 | 12 | 16W | 233 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.