Daily Sunspot Evaluation
Observation Sheet Tuesday, 31 October 1972
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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- ED
- Reading
- all checks consistent
- File
- 19721031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 12 | 43E | 251 | |||
| 2 | B – 2 | -9 | 28E | 266 | |||
| 3 | B – 5 | -10 | 15E | 279 | |||
| 4 | F – 22 | -12 | 20W | 314 | |||
| 5 | A – 1 | -10 | 57W | 351 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.