Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 September 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)
- 8
- Number of spots (f)
- 24
- Relative number (R)
- 104
- Observer
- ET
- Reading
- all checks consistent
- File
- 19600906.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 16 | 14E | ||||
| 2 | J – 1 | 21 | 36E | ||||
| 3 | H – 4 | 18 | 39E | ||||
| 4 | A – 1 | 18 | 52E | ||||
| 5 | A – 4 | 5 | 57E | ||||
| 6 | J – 2 | -7 | 51E | ||||
| 7 | J – 2 | -15 | 59E | ||||
| 8 | ? – 3 | 20 | 78W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.