Daily Sunspot Evaluation
Observation Sheet Monday, 4 November 1974
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)
- 31
- Relative number (R)
- 71
- Observer
- ED
- Reading
- counts consistent, some coordinates doubtful
- File
- 19741104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 23 | 12 | 42E | 285 | 39E | ||
| 2 | A – 4 | 7 | 48E | 279 | 45E | ||
| 3 | A – 2 | -21 | 08E | 335 ⚠ | 05E | ||
| 4 | A – 2 | -6 | 61W | 28 | 64W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.