Daily Sunspot Evaluation
Observation Sheet Saturday, 16 November 1991
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)
- 8
- Number of spots (f)
- 76
- Relative number (R)
- 156
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19911116.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 17 | 78W | 15 | 80W | 3 | 614 |
| 2 | BRS – 6 | 20 | 66W | 3 | 68W | 5.5 | 627 |
| 3 | CAI – 12 | 10 | 47W | 344 | 49W | 13.5 | 628 |
| 4 | AX – 1 | 10 | 43E | 254 | 41E | - | 634 |
| 5 | AX – 1 | 6 | 73E | 224 | 71E | - | 635 |
| 6 | EKC – 40 | -12 | 22W | 319 | 24W | 11.5 | 630 |
| 7 | BXI – 13 | -14 | 10W | 307 | 12W | 9 | 636 |
| 8 | AX – 1 | -4 | 02W | 299 | 04W | - | 637 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.