Daily Sunspot Evaluation
Observation Sheet Monday, 26 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)
- 11
- Number of spots (f)
- 83
- Relative number (R)
- 193
- Observer
- ET
- Reading
- all checks consistent
- File
- 19600926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | -11 | 6E | ||||
| 2 | A – 2 | -13 | 0 | ||||
| 3 | A – 2 | -17 | 6W | ||||
| 4 | A – 3 | -21 | 10W | ||||
| 5 | H – 7 | -18 | 26W | ||||
| 6 | C – 7 | -20 | 63W | ||||
| 7 | J – 2 | 1 | 16W | ||||
| 8 | E – 23 | 7 | 26W | ||||
| 9 | J – 1 | 16 | 39W | ||||
| 10 | B – 3 | 17 | 24W | ||||
| 11 | B – 27 | 26 | 9W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.