Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 October 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)
- 13
- Number of spots (f)
- 106
- Relative number (R)
- 236
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20011023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 6 | 15 | 80W | 358 | 83W | ? | |
| 2 | HA – 3 | 14 | 42W | 320 | 45W | 1.5 | |
| 3 | HA – 1 | 26 | 40W | 318 | 43W | 0.5 | |
| 4 | DAC – 18 | 13 | 29W | 307 | 32W | ~10 | |
| 5 | HS – 7 | 3 | 14E | 264 | 11E | 5 | |
| 6 | HS – 1 | 15 | 40E | 238 | 37E | 1 | |
| 7 | DSC – 9 | 21 | 43E | 235 | 40E | 6 | |
| 8 | DAO – 8 | 8 | 58E | 220 | 55E | 6 | |
| 9 | HA – 1 | 21 | 71E | 207 | 68E | 1 | |
| 10 | DAO – 26 | -18 | 10W | 288 | 13W | 19 | |
| 11 | HK – 24 | -18 | 09E | 269 | 06E | ~10 | |
| 12 | HS – 1 | -12 | 38E | 240 | 35E | 1 | |
| 13 | HR – 1 | -8 | 46E | 232 | 43E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.