Daily Sunspot Evaluation
Observation Sheet Sunday, 1 July 1984
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)
- 3
- Number of spots (f)
- 13
- Relative number (R)
- 43
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CHO – 4 | 5 | 11E | 205 | 08E | 4 | |
| 2 | DKI – 7 | 13 | 50E | 166 | 47E | 8.5 | |
| 3 | HSX – 2 | -13 | 31W | 247 | 34W | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.