Daily Sunspot Evaluation
Observation Sheet Thursday, 1 January 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)
- 16
- Number of spots (f)
- 136
- Relative number (R)
- 296
- Observer
- FY
- Reading
- all checks consistent
- File
- 19590101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 17 | 22 | 34E | ||||
| 2 | ? – 1 | 32 | 74E | ||||
| 3 | ? – 10 | 18 | 83E | ||||
| 4 | A – 5 | -16 | 72E | ||||
| 5 | B – 7 | -14 | 36E | ||||
| 6 | A – 1 | -24 | 73E | ||||
| 7 | B – 5 | -19 | 37E | ||||
| 8 | D – 11 | -16 | 25E | ||||
| 9 | H – 3 | -5 | 2W | ||||
| 10 | A – 10 | -13 | 52W | ||||
| 11 | F – 30 | -16 | 65W | ||||
| 12 | A – 5 | 18 | 75W | ||||
| 13 | C – 21 | 15 | 50W | ||||
| 14 | B – 7 | 19 | 83W | ||||
| 15 | H – 2 | 7 | 22W | ||||
| 16 | A – 1 | 1 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.