Daily Sunspot Evaluation
Observation Sheet Thursday, 5 December 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)
- 7
- Number of spots (f)
- 93
- Relative number (R)
- 163
- Observer
- TK
- Reading
- all checks consistent
- File
- 19911205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 15 | 19 | 25E | 22 | 22E | 10 | 660 |
| 2 | EKC – 31 | 18 | 52E | 355 | 49E | 15 | 664 |
| 3 | HA – 3 | 11 | 54E | 353 | 51E | 3 | 665 |
| 4 | HA – 3 | -5 | 68W | 115 | 71W | 3.5 | 653 |
| 5 | DSC – 7 | -8 | 20W | 67 | 23W | 6 | 661 |
| 6 | DAI – 29 | -5 | 04E | 43 | 01E | 9.5 | 667 |
| 7 | CAO – 5 | -17 | 69E | 338 | 66E | 9 | 668 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.