Daily Sunspot Evaluation
Observation Sheet Monday, 23 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)
- 2
- Number of spots (f)
- 4
- Relative number (R)
- 24
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840723.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | -2 | 31W | 312 | 35W | 4.5 | 156 |
| 2 | HAX – 1 | -17 | 67E | 219 | 63E | 2.5 | 128 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.