Daily Sunspot Evaluation
Observation Sheet Sunday, 28 October 1956
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)
- 7
- Number of spots (f)
- 47
- Relative number (R)
- 117
- Observer
- ET
- Reading
- all checks consistent
- File
- 19561028.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 5 | 14 | 5E | ||||
| 2 | J – 6 | 20 | 71E | ||||
| 3 | J – 3 | -17 | 74E | ||||
| 4 | A – 2 | -30 | 70E | ||||
| 5 | G – 9 | -17 | 18E | ||||
| 6 | C – 18 | -30 | 10E | ||||
| 7 | G – 4 | -28 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.