Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 December 1999
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)
- 81
- Relative number (R)
- 151
- Observer
- AK0
- Reading
- all checks consistent
- File
- 19991201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 26 | 9 | 46(W) | 88 | 19(W) | 11.5 | |
| 2 | CAO – 7 | 30 | 26(E) | 26 | 23(W) | 05 | |
| 3 | ? – 2 | 11 | 76(E) | 336 | 73(E) | ? | |
| 4 | EKO – 11 | -17 | 67(W) | 119 | 70(W) | 15 | |
| 5 | HS – 4 | -17 | 18(W) | 100 | 51(W) | 03 | |
| 6 | AX – 1 | -16 | 30(W) | 82 | 33(W) | ||
| 7 | DKI – 30 | -13 | 07(W) | 59 | 10(W) | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.