Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 July 2001
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)
- 7
- Number of spots (f)
- 64
- Relative number (R)
- 134
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 20010724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 16 | 83W | 123 | 86W | 5 | |
| 2 | DKO – 5 | 9 | 75W | 108 ⚠ | 78W | ~1.5 | |
| 3 | HS – 2 | 20 | 68W | 115 ⚠ | 71W | 9 | |
| 4 | DAO – 8 | 19 | 21W | 61 | 24W | ~6 | |
| 5 | DRI – 10 | 12 | 31E | 9 | 28E | ~6 | |
| 6 | EAC – 36 | -22 | 34W | 74 | 37W | 14.5 | |
| 7 | AX – 2 | -9 | 64E | 336 | 61E | 2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.