Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 August 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)
- 136
- Relative number (R)
- 266
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20000815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 20 | 71W | 318 | 74W | 2 | |
| 2 | HA – 2 | 22 | 49W | 296 | 52W | 1 | |
| 3 | HA – 3 | 19 | 11W | 258 | 14W | 2 | |
| 4 | DKC – 59 | 24 | 13E | 234 | 10E | 10 | |
| 5 | DAI – 6 | 22 | 50E | 197 | 47E | 5 | |
| 6 | HS – 2 | 14 | 57E | 190 | 54E | ~2 | |
| 7 | HS – 1 | 7 | 65E | 182 | 62E | ~1 | |
| 8 | DSI – 15 | -38 | 21W | 268 | 24W | 9 | |
| 9 | DAC – 12 | -12 | 14E | 233 | 11E | ~6 | |
| 10 | DAC – 20 | -13 | 26E | 221 | 23E | 6.5 | |
| 11 | HS – 4 | -6 | 45E | 202 | 42E | ~5 | |
| 12 | CAO – 3 | 13 | 30E | 216 | 27E | 6 | |
| 13 | DAI – 8 | 11 | 30E | 216 | 27E | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.