Daily Sunspot Evaluation
Observation Sheet Monday, 1 December 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)
- 145
- Relative number (R)
- 295
- Observer
- AB
- Reading
- all checks consistent
- File
- 19581201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 40 | 3E | ||||
| 2 | D – 10 | 15 | 13E | ||||
| 3 | A – 1 | 18 | 33E | ||||
| 4 | D – 11 | 11 | 20E | ||||
| 5 | B – 10 | 7 | 39E | ||||
| 6 | H – 10 | -9 | 37E | ||||
| 7 | H – 2 | -22 | 66E | ||||
| 8 | F – 50 | -15 | 8W | ||||
| 9 | C – 5 | -16 | 52W | ||||
| 10 | B – 2 | -25 | 63W | ||||
| 11 | C – 6 | -14 | 47W | ||||
| 12 | C – 12 | 6 | 21W | ||||
| 13 | A – 2 | 12 | 48W | ||||
| 14 | E – 10 | 20 | 65W | ||||
| 15 | E – 13 | 14 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.