Daily Sunspot Evaluation
Observation Sheet Sunday, 8 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)
- 7
- Number of spots (f)
- 53
- Relative number (R)
- 123
- Observer
- LT
- Reading
- all checks consistent
- File
- 19671008.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 14 | 11 | 02E | 230 | |||
| 2 | A – 3 | -33 | 20E | 210 | |||
| 3 | H – 9 | -28 | 05E | 225 | |||
| 4 | J – 2 | -15 | 31W | 263 | |||
| 5 | A – 1 | -23 | 55W | 287 | |||
| 6 | E – 17 | -12 | 64W | 296 | |||
| 7 | B – 7 | 15 | 29W | 261 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.