Daily Sunspot Evaluation
Observation Sheet Tuesday, 17 November 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)
- 22
- Relative number (R)
- 52
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 19981117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 5 | 23 | 26E | 349 | 23E | 2 | 274 323 |
| 2 | CAO – 11 | -15 | 33W | 48 | 36W | 4 | 266 265 |
| 3 | HH – 6 | -29 | 18W | 28 ⚠ | 16W | 6.5 | 216 264 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.