Daily Sunspot Evaluation
Observation Sheet Monday, 2 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)
- 6
- Number of spots (f)
- 28
- Relative number (R)
- 88
- Observer
- TÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19911202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 5 | 20 | 63E | 23 | 61E | 8 | 660 |
| 2 | BRI – 4 | -13 | 55W | 141 | 57W | 8 | 656 |
| 3 | DKC – 7 | -5 | 32W | 118 | 34W | 6.5 | 658 |
| 4 | DAC – 10 | -8 | 20E | 66 | 18E | 5.5 | 661 |
| 5 | AX – 1 | -17 | 34E | 47 ⚠ | 37E | - | 662 |
| 6 | AX – 1 | -20 | 68E | 18 | 66E | - | 663 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.