Daily Sunspot Evaluation
Observation Sheet Monday, 12 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)
- 2
- Number of spots (f)
- 24
- Relative number (R)
- 44
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19981012.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 120 | 61W | 180 ⚠ | 63W | 3 | 240 |
| 2 | DSC – 22 | -21 | 07E | 122 ⚠ | 05E | 8 | 248 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.