Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 8
- Number of spots (f)
- 84
- Relative number (R)
- 164
- Observer
- HE
- Reading
- all checks consistent
- File
- 19990724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 10 | 38 | 66W | 34 | 68W | 9 | |
| 2 | HR – 5 | 11 | 10W | 338 | 12W | 2.5 | |
| 3 | FKC – 55 | 21 | 05W | 333 | 07W | 20 | |
| 4 | AX – 2 | 25 | 06E | 322 | 04E | 1 | |
| 5 | HS – 1 | 13 | 32E | 296 | 30E | 2 | |
| 6 | CRO – 8 | -19 | 35E | 293 | 33E | 4 | |
| 7 | HA – 1 | -24 | 64E | 264 | 62E | 2 | |
| 8 | ? – 2 | -29 | 80E | 248 | 78E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.