Daily Sunspot Evaluation
Observation Sheet Sunday, 13 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)
- 9
- Number of spots (f)
- 125
- Relative number (R)
- 215
- Observer
- HE
- Reading
- all checks consistent
- File
- 19881113.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 6 | 10 | 79W | 108 | 82W | 12.0 | 307 |
| 2 | BRI – 8 | 11 | 44W | 73 | 47W | 4.0 | 312 |
| 3 | BRI – 9 | 17 | 02W | 31 | 05W | 5.5 | 306 |
| 4 | FKC – 58 | 33 | 28E | 1 | 25E | 24.0 | 305 |
| 5 | AX – 1 | 21 | 29E | 0 | 26E | - | 313 |
| 6 | DAI – 8 | 13 | 30E | 359 | 27E | 6.25 | 309 |
| 7 | BXI – 5 | 15 | 45E | 344 | 42E | 4.5 | 310 |
| 8 | HA – 2 | 16 | 60E | 329 | 57E | 2.5 | 314 |
| 9 | DAI – 28 | -24 | 17W | 46 | 20W | 11.0 | 312 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.