Daily Sunspot Evaluation
Observation Sheet Saturday, 2 July 1983
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)
- 25
- Relative number (R)
- 75
- Observer
- HM
- Reading
- all checks consistent
- File
- 19830702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 185 | |||||
| 2 | CSI – 4 | 198 | |||||
| 3 | HAX – 9 | 179 | |||||
| 4 | CKI – 8 | 183 | |||||
| 5 | CAO – 3 | 185 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.