Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 September 1961
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)
- 6
- Number of spots (f)
- 34
- Relative number (R)
- 94
- Observer
- BG
- Reading
- all checks consistent
- File
- 19610927.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 14 | 73E | ||||
| 2 | C – 10 | 13 | 50E | ||||
| 3 | B – 3 | 9 | 47E | ||||
| 4 | B – 7 | 4 | 18E | ||||
| 5 | D – 8 | 7 | 53W | ||||
| 6 | J – 1 | 18 | 72W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.