Daily Sunspot Evaluation
Observation Sheet Wednesday, 21 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)
- 13
- Number of spots (f)
- 94
- Relative number (R)
- 224
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000621.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 6 | 76W | 330 | 78W | ~2 | |
| 2 | HR – 3 | 19 | 49W | 305 | 51W | 3 | |
| 3 | FKO – 34 | 21 | 30W | 284 | 32W | 20 | |
| 4 | DKE – 21 | 20 | 01E | 253 | 01W | 10 | |
| 5 | HR – 1 | 17 | 19E | 235 | 17E | 0.5 | |
| 6 | AX – 1 | 4 | 30E | 224 | 28E | - | |
| 7 | HS – 1 | 10 | 55E | 199 | 53E | 1 | |
| 8 | ? – 1 | 20 | 79E | 173 | 77E | 3 | |
| 9 | CAI – 4 | -29 | 43W | 297 | 45W | 10 | |
| 10 | DAI – 18 | -10 | 39W | 293 | 41W | 7 | |
| 11 | AX – 5 | -21 | 05E | 249 | 03E | 2 | |
| 12 | AX – 2 | -37 | 10E | 244 | 08E | 1 | |
| 13 | HK – 1 | -13 | 78E | 176 | 76E | 4 | Hh |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.