Daily Sunspot Evaluation
Observation Sheet Friday, 29 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)
- 11
- Number of spots (f)
- 128
- Relative number (R)
- 238
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600129.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 13 | 15E | ||||
| 2 | H – 5 | 9 | 19E | ||||
| 3 | A – 2 | 23 | 60E | ||||
| 4 | ? – 3 | 25 | 78E | ||||
| 5 | D – 14 | 9 | 45E | ||||
| 6 | C – 16 | -14 | 28E | ||||
| 7 | J – 2 | -8 | 41W | ||||
| 8 | A – 5 | 9 | 25W | ||||
| 9 | C – 15 | 22 | 21W | ||||
| 10 | J – 1 | 9 | 16W | ||||
| 11 | F – 61 | 8 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.