Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 October 1959
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)
- 9
- Number of spots (f)
- 87
- Relative number (R)
- 177
- Observer
- SG
- Reading
- all checks consistent
- File
- 19591007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 9 | 32 | 54E | ||||
| 2 | E – 42 | 6 | 18E | ||||
| 3 | J – 2 | -17 | 18E | ||||
| 4 | C – 15 | -17 | 1W | ||||
| 5 | A – 3 | -13 | 8W | ||||
| 6 | B – 5 | -18 | 15W | ||||
| 7 | H – 5 | -18 | 21W | ||||
| 8 | A – 1 | -10 | 15W | ||||
| 9 | ? – 5 | 7 | 81W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.