Daily Sunspot Evaluation
Observation Sheet Thursday, 20 November 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)
- 8
- Number of spots (f)
- 32
- Relative number (R)
- 112
- Observer
- FY
- Reading
- all checks consistent
- File
- 19581120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 21 | 5E | ||||
| 2 | H – 2 | 6 | 11E | ||||
| 3 | J – 1 | 17 | 64E | ||||
| 4 | A – 2 | -5 | 22E | ||||
| 5 | A – 3 | -7 | 44E | ||||
| 6 | D – 11 | -12 | 57E | ||||
| 7 | A – 2 | -11 | 20E | ||||
| 8 | C – 6 | 21 | 25W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.