Daily Sunspot Evaluation
Observation Sheet Wednesday, 15 October 1969
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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- SK
- Reading
- all checks consistent
- File
- 19691015.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 3 | 45E | 167 | |||
| 2 | C – 21 | -6 | 28W | 240 | |||
| 3 | A – 2 | -8 | 35W | 247 | |||
| 4 | J – 1 | -16 | 66W | 278 | |||
| 5 | H – 3 | 10 | 45W | 257 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.