Daily Sunspot Evaluation
Observation Sheet Tuesday, 20 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)
- 11
- Number of spots (f)
- 100
- Relative number (R)
- 210
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20000620.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSO – 3 | 6 | 59W | 327 | 62W | 8 | |
| 2 | CAO – 7 | 18 | 36W | 304 | 39W | 4 | |
| 3 | FKC – 42 | 22 | 15W | 283 | 18W | 19 | |
| 4 | DKC – 20 | 21 | 15E | 253 | 12E | 8 | |
| 5 | HS – 2 | 17 | 33E | 235 | 30E | ~1 | |
| 6 | HS – 1 | 4 | 43E | 225 | 40E | 1 | |
| 7 | DSO – 3 | 10 | 74E | 194 | 71E | ~9 | |
| 8 | HH – 1 | -19 | 72W | 340 | 75W | 3 | |
| 9 | DAS – 11 | -28 | 30W | 298 | 33W | 9 | |
| 10 | HS – 8 | -12 | 26W | 294 | 29W | 3.5 | |
| 11 | HA – 2 | -35 | 20E | 248 | 17E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.