Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 January 1960
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)
- 10
- Number of spots (f)
- 149
- Relative number (R)
- 249
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 15 | 10 | 0 | ||||
| 2 | D – 22 | 21 | 3E | ||||
| 3 | J – 2 | 9 | 9E | ||||
| 4 | F – 80 | 7 | 25E | ||||
| 5 | H – 1 | 9 | 44E | ||||
| 6 | ? – 6 | 9 | 73E | ||||
| 7 | D – 16 | -14 | 54E | ||||
| 8 | J – 2 | -8 | 15W | ||||
| 9 | H – 4 | 14 | 58W | ||||
| 10 | ? – 1 | 28 | 73W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.