Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 September 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)
- 197
- Relative number (R)
- 327
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20010926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 4 | 13 | 79W | 353 | 81W | 12 | |
| 2 | HS – 3 | 13 | 50W | 324 | 52W | 6.5 | |
| 3 | HS – 3 | 3 | 44W | 318 | 46W | ~2 | |
| 4 | CRE – 14 | 1 | 28W | 302 | 30W | 7 | |
| 5 | DAI – 18 | 21 | 15W | 289 | 17W | 7.5 | |
| 6 | HS – 1 | 21 | 32E | 242 | 30E | ~2 | |
| 7 | DSO – 8 | 12 | 34E | 240 | 32E | 7.5 | |
| 8 | CAO – 3 | 3 | 45E | 229 | 43E | ~5 | |
| 9 | EKC – 17 | 12 | 50E | 224 | 48E | ~16.5 | |
| 10 | HR – 1 | 3 | 58E | 216 | 56E | 0.5 | |
| 11 | FHC – 79 | -19 | 16W | 290 | 18W | ~19 | |
| 12 | EKC – 34 | -19 | 02E | 272 | 00 | ~11.5 | |
| 13 | DSI – 12 | -16 | 55E | 219 | 53E | ~8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.