Daily Sunspot Evaluation
Observation Sheet Thursday, 22 July 1999
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)
- 6
- Number of spots (f)
- 70
- Relative number (R)
- 130
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19990722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 3 | 10 | 59W | 54 | 62W | 1 | Hr-3 |
| 2 | CRO – 2 | 20 | 52W | 49 | 55W | 2 | Hr-2 |
| 3 | DAC – 16 | 39 | 40W | 35 | 43W | 6.5 | Dkc-16 |
| 4 | FAC – 44 | 20 | 22E | 333 | 19E | 19 | Fkc-44 |
| 5 | HS – 1 | 16 | 59E | 296 | 56E | 2 | |
| 6 | HA – 4 | -18 | 62E | 293 | 59E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.