Daily Sunspot Evaluation
Observation Sheet Monday, 10 November 1969
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)
- 4
- Number of spots (f)
- 25
- Relative number (R)
- 65
- Observer
- AT
- Reading
- all checks consistent
- File
- 19691110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 8 | 21 | 01E | 225 | |||
| 2 | J – 6 | 20 | 15E | 214 | |||
| 3 | ? – 3 | -18 | 64E | 165 | |||
| 4 | C – 8 | 20 | 38W | 267 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.