Daily Sunspot Evaluation
Observation Sheet Thursday, 15 July 1982
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)
- 10
- Number of spots (f)
- 181
- Relative number (R)
- 281
- Observer
- SM
- Reading
- all checks consistent
- File
- 19820715.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 7 | 11 | 36W | 355 | 39W | 4 | 261 |
| 2 | FKC – 92 | 14 | 02W | 321 | 05W | 25 | 263 |
| 3 | AXX – 4 | 11 | 39E | 280 | 36E | 2.5 | 273 |
| 4 | EAC – 20 | 20 | 42E | 277 | 39E | 13 | 272 |
| 5 | CKF – 19 | -25 | 21W | 340 | 24W | 11 | 277 |
| 6 | AXX – 2 | -21 | 05E | 314 | 02E | 2 | 275 |
| 7 | HAX – 4 | -6 | 06E | 313 | 03E | 2 | 266 |
| 8 | EAC – 23 | -13 | 16E | 303 | 13E | 15 | 267 |
| 9 | HAX – 1 | -6 | 40E | 279 | 37E | 2 | 270 |
| 10 | CAI – 9 | -22 | 41E | 278 | 38E | 7 | 271 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.