Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 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)
- 7
- Number of spots (f)
- 39
- Relative number (R)
- 109
- Observer
- ED
- Reading
- all checks consistent
- File
- 19721003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 5 | 18 | 32E | 272 | |||
| 2 | J – 1 | 20 | 62E | 242 | |||
| 3 | A – 5 | -6 | 51E | 253 | |||
| 4 | G – 3 | -8 | 32E | 272 | |||
| 5 | J – 2 | -22 | 59E | 245 | |||
| 6 | B – 7 | -8 | 33W | 337 | |||
| 7 | G – 16 | 11 | 07W | 311 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.