Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 July 1980
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)
- 5
- Number of spots (f)
- 38
- Relative number (R)
- 88
- Observer
- HM
- Reading
- all checks consistent
- File
- 19800708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAK – 21 | 21 | 61W | 28 | 64W | 13 | |
| 2 | BKI – 5 | 23 | 46E | 281 | 43E | 4 | |
| 3 | HAX – 7 | 18 | 48E | 279 | 45E | 6 | |
| 4 | BEO – 4 | -5 | 63W | 30 | 66W | 6 | |
| 5 | HSX – 1 | -12 | 51E | 276 | 48E | 2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.