Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 May 1973
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)
- 2
- Number of spots (f)
- 77
- Relative number (R)
- 97
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19730508.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 75 | -13 | 14W | 337 ⚠ | 73 | ||
| 2 | A – 2 | 14 | 0W | 330 ⚠ | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.