Daily Sunspot Evaluation
Observation Sheet Saturday, 20 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)
- 9
- Number of spots (f)
- 138
- Relative number (R)
- 228
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 20000520.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 11 | 19 | 12W | 331 | 15W | 3.5 | |
| 2 | DKC – 13 | 11 | 03E | 316 | 00 | 0.8 | |
| 3 | FAI – 38 | 18 | 14E | 305 | 11E | 16.5 | |
| 4 | DAC – 9 | 22 | 52E | 267 | 49E | 6 | Col-2 |
| 5 | HK – 2 | 18 | 64E | 255 | 61E | 3 | |
| 6 | BXO – 3 | -31 | 25W | 344 | 28W | 4 | |
| 7 | EKC – 31 | -23 | 24W | 343 | 27W | 12 | |
| 8 | EKC – 29 | -13 | 11W | 330 | 14W | 11 | |
| 9 | HS – 2 | -14 | 52E | 266 | 50E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.