Daily Sunspot Evaluation
Observation Sheet Sunday, 29 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)
- 3
- Number of spots (f)
- 57
- Relative number (R)
- 87
- Observer
- HM
- Reading
- all checks consistent
- File
- 19721029.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 53 | -12 | 07E | 314 | |||
| 2 | J – 1 | -16 | 29W | 350 | |||
| 3 | J – 3 | -9 | 30W | 351 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.