Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 June 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)
- 26
- Relative number (R)
- 66
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19740604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 5 | 62E | 124 | |||
| 2 | C – 16 | -13 | 20E | 166 | |||
| 3 | C – 6 | -14 | 18W | 204 | |||
| 4 | B – 2 | -5 | 23W | 203 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.