Daily Sunspot Evaluation
Observation Sheet Sunday, 5 October 1958
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)
- 15
- Number of spots (f)
- 85
- Relative number (R)
- 235
- Observer
- FY
- Reading
- all checks consistent
- File
- 19581005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 18 | 8E | ||||
| 2 | C – 8 | 20 | 59E | ||||
| 3 | B – 4 | 16 | 57E | ||||
| 4 | J – 4 | 12 | 72E | ||||
| 5 | B – 8 | -10 | 2E | ||||
| 6 | B – 5 | -6 | 7W | ||||
| 7 | B – 10 | -15 | 13W | ||||
| 8 | A – 1 | -12 | 53W | ||||
| 9 | H – 6 | -11 | 71W | ||||
| 10 | J – 4 | 2 | 75W | ||||
| 11 | A – 2 | 6 | 64W | ||||
| 12 | ? – 1 | 18 | 88W | ||||
| 13 | H – 2 | 28 | 52W | ||||
| 14 | C – 25 | 11 | 8W | ||||
| 15 | A – 3 | 8 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.