Daily Sunspot Evaluation
Observation Sheet Thursday, 22 October 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)
- 3
- Number of spots (f)
- 35
- Relative number (R)
- 65
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19981022.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BZO – 4 | 25 | 39W | 37 | 42W | 6.5 | 246 245 |
| 2 | DAI – 14 | 17 | 04W | 2 | 06W | 6.5 | 246 247 |
| 3 | EKC – 17 | -27 | 32W | 35 ⚠ | 40W | 12.5 | 252 251 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.