Daily Sunspot Evaluation
Observation Sheet Thursday, 2 November 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)
- 4
- Number of spots (f)
- 30
- Relative number (R)
- 70
- Observer
- FA
- Reading
- all checks consistent
- File
- 19721102.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 12 | 12E | 253 | |||
| 2 | A – 1 | -8 | 04W | 269 | |||
| 3 | A – 2 | -10 | 14W | 279 | |||
| 4 | F – 23 | -12 | 49W | 314 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.