Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 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)
- 9
- Number of spots (f)
- 43
- Relative number (R)
- 133
- Observer
- OG
- Reading
- all checks consistent
- File
- 19800702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 2 | 18 | 24W | 71 | 27W | 2 | |
| 2 | CAZ – 5 | 7 | 01E | 46 | 02W | 2.5 | |
| 3 | AXX – 3 | 10 | 14E | 33 | 11E | 0.75 | |
| 4 | BXO – 8 | -14 | 56E | 351 | 53E | 0.5 | |
| 5 | AXX – 1 | -3 | 68E | 339 | 65E | - | |
| 6 | HCA – 1 | -14 | 80W | 127 | 83W | 6 | |
| 7 | HKX – 1 | -11 | 75W | 122 | 78W | 3 | |
| 8 | CAZ – 6 | -22 | 63W | 110 | 66W | 6 | |
| 9 | DEI – 16 | -10 | 44W | 91 | 47W | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.