Daily Sunspot Evaluation
Observation Sheet Wednesday, 11 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)
- 5
- Number of spots (f)
- 14
- Relative number (R)
- 64
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19840711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 2 | -5 | 31W | 115 | 34W | 15 | 123 |
| 2 | DAO – 3 | -10 | 26W | 110 | 29W | 5.5 | 120 |
| 3 | DAI – 7 | -9 | 20E | 64 | 17E | 9 | 127 |
| 4 | HSX – 1 | -7 | 57E | 27 | 54E | 1 | 129 |
| 5 | ? – 1 | -16 | 81E | 3 | 78E | - | 130 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.