Daily Sunspot Evaluation
Observation Sheet Sunday, 2 October 1955
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)
- 3
- Number of spots (f)
- 17
- Relative number (R)
- 47
- Observer
- FY
- Reading
- all checks consistent
- File
- 19551002.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 6 | 0.68 | 80 | |
| 2 | C – 9 | 0.92 | 94 | |
| 3 | B – 2 | 0.78 | 151 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.