Daily Sunspot Evaluation
Observation Sheet Thursday, 24 January 1957
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)
- 11
- Number of spots (f)
- 86
- Relative number (R)
- 196
- Observer
- AK
- Reading
- all checks consistent
- File
- 19570124.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 44 | 8E | ||||
| 2 | J – 1 | 24 | 25E | ||||
| 3 | J – 1 | 34 | 38E | ||||
| 4 | B – 4 | 25 | 41E | ||||
| 5 | J – 5 | -20 | 61E | ||||
| 6 | E – 19 | -16 | 1E | ||||
| 7 | B – 4 | -22 | 36W | ||||
| 8 | C – 6 | -27 | 23W | ||||
| 9 | C – 14 | 11 | 28W | ||||
| 10 | H – 28 | 17 | 33W | ||||
| 11 | A – 2 | 12 | 18W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.