Daily Sunspot Evaluation
Observation Sheet Thursday, 18 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)
- 8
- Number of spots (f)
- 121
- Relative number (R)
- 201
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000518.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 12 | 80W | 65 | 83W | ~6 | |
| 2 | FAC – 32 | 19 | 39E | 306 | 36E | 15.5 | |
| 3 | DSO – 9 | 11 | 30E | 315 | 27E | 6 | |
| 4 | CAI – 5 | -22 | 73W | 58 | 76W | 5 | |
| 5 | EKC – 51 | -22 | 02E | 343 | 01W | 12 | |
| 6 | BXO – 2 | -42 | 11E | 334 | 08E | 1 | Ax-2 |
| 7 | DKC – 20 | -13 | 14E | 331 | 11E | 9 | |
| 8 | HS – 1 | -15 | 80E | 265 | 82E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.