Daily Sunspot Evaluation
Observation Sheet Saturday, 26 September 1998
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)
- 10
- Number of spots (f)
- 61
- Relative number (R)
- 161
- Observer
- YK
- Reading
- all checks consistent
- File
- 19980926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 16 | 52W | 33 | 55W | 1 | 216 245 |
| 2 | HS – 1 | 31 | 36W | 17 | 39W | 1.5 | 216 245 |
| 3 | HS – 18 | 20 | 31W | 12 | 34W | 7 | 215 244 |
| 4 | BXO – 5 | 39 | 14W | 355 | 17W | 6 | 219 248 |
| 5 | CRO – 7 | -14 | 63W | 44 | 66W | 4.5 | 216 245 |
| 6 | AX – 2 | -13 | 17E | 324 | 14E | 2.5 | 221 225 |
| 7 | DAI – 14 | -29 | 23E | 318 | 20E | 10 | 222 227 |
| 8 | AX – 1 | -31 | 31E | 310 | 28E | - | 224 225 |
| 9 | CAO – 9 | -21 | 23W | 4 | 26W | 6 | 220 245 |
| 10 | AX – 2 | -14 | 17W | 358 | 20W | 5 | 225 242 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.