Daily Sunspot Evaluation
Observation Sheet Sunday, 20 November 1988
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)
- 7
- Number of spots (f)
- 73
- Relative number (R)
- 143
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19881120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 10 | 67W | 3 | 69W | 3.0 | 309 |
| 2 | FKC – 9 | 33 | 61W | 357 | 63W | 26.0 | 305 |
| 3 | CAO – 7 | 14 | 36W | 332 | 38W | 7.5 | 311 |
| 4 | EAC – 34 | 22 | 09W | 305 | 11W | 16.0 | 318 |
| 5 | CSO – 18 | 27 | 04E | 292 | 02E | 12.0 | 319 |
| 6 | CSO – 2 | -17 | 63W | 359 | 65W | 5.0 | 321 |
| 7 | AX – 2 | -38 | 01W | 297 | 03W | 0.5 | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.