Daily Sunspot Evaluation
Observation Sheet Saturday, 13 May 2000
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)
- 11
- Number of spots (f)
- 87
- Relative number (R)
- 197
- Observer
- TA
- Reading
- all checks consistent
- File
- 20000513.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 13 | 16 | 31W | 82 | 34W | 6 | |
| 2 | DKI – 23 | 13 | 12W | 63 | 15W | 9.5 | |
| 3 | AA – 1 | 15 | 05E | 46 | 02E | - | |
| 4 | HA – 3 | 15 | 14E | 37 | 11E | 1.5 | |
| 5 | AX – 2 | 9 | 23E | 28 | 20E | ~2 | |
| 6 | HA – 1 | 9 | 30E | 21 | 27E | 1 | |
| 7 | ? – 3 | 21 | 75E | 336 | 72E | - | |
| 8 | DAI – 20 | -23 | 35W | 86 | 38W | 9 | |
| 9 | HA – 2 | -17 | 47E | 4 | 44E | 1.5 | |
| 10 | EKC – 13 | -21 | 68E | 343 | 65E | 14 | |
| 11 | ? – 6 | -13 | 77E | 334 | 74E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.