Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 November 1989
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)
- 13
- Number of spots (f)
- 205
- Relative number (R)
- 335
- Observer
- MB
- Reading
- all checks consistent
- File
- 19891107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 4 | 15 | 73W | 43 | 75W | 4 | 375 |
| 2 | DAO – 12 | 19 | 57W | 27 | 59W | 11.5 | 376 |
| 3 | EAC – 27 | 25 | 37W | 7 | 39W | 11.5 | 377 |
| 4 | BKI – 11 | 17 | 25W | 355 | 27W | 6 | 378 |
| 5 | AK – 1 | 25 | 24W | 354 | 26W | - | 379 |
| 6 | DAI – 39 | 17 | 10E | 320 | 08E | 6 | 386 |
| 7 | EAC – 34 | 12 | 17E | 313 | 15E | 12 | 389 |
| 8 | HA – 5 | 11 | 32E | 298 | 30E | 2.5 | 392 |
| 9 | EKC – 41 | 18 | 38E | 292 | 36E | 12 | 393 |
| 10 | DAO – 11 | 25 | 60E | 270 | 58E | 6 | 395 |
| 11 | ? – 7 | 12 | 77E | 253 | 75E | 12 | 396 |
| 12 | CSO – 3 | -17 | 24W | 354 | 26W | 8 | 398 |
| 13 | DAO – 10 | -10 | 07W | 337 | 09W | 7 | 399 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.