Daily Sunspot Evaluation
Observation Sheet Sunday, 18 June 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)
- 12
- Number of spots (f)
- 132
- Relative number (R)
- 252
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000618.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | -21 | 45W | 337 | 45W | 0.5 | |
| 2 | DAI – 14 | 6 | 34W | 326 | 34W | 8.5 | |
| 3 | HR – 15 | 19 | 11W | 303 | 11W | 5 | |
| 4 | FKC – 53 | 22 | 09E | 283 | 09E | 17 | |
| 5 | HR – 1 | 29 | 10E | 282 | 10E | 1 | |
| 6 | DKC – 33 | 21 | 40E | 252 | 40E | 10 | |
| 7 | AX – 1 | 18 | 53E | 239 | 53E | 0.5 | |
| 8 | HA – 1 | -20 | 48W | 340 | 48W | 2.5 | |
| 9 | AX – 3 | -15 | 26W | 318 | 26W | ~2 | |
| 10 | CRO – 4 | -14 | 00 | 292 | 00 | 4 | |
| 11 | CRO – 4 | -36 | 47E | 245 | 47E | 7 | |
| 12 | AX – 1 | -28 | 69W | 1 | 69W | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.