Daily Sunspot Evaluation
Observation Sheet Sunday, 16 August 1992
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)
- 7
- Number of spots (f)
- 72
- Relative number (R)
- 142
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 17 | 17 | 34W | 315 | 37W | 8 | 306 |
| 2 | BXO – 3 | 16 | 22W | 303 | 25W | 3 | 304 |
| 3 | EHI – 29 | 16 | 25E | 276 ⚠ | 22E | 14.5 | 302 |
| 4 | AX – 1 | 10 | 67E | 219 ⚠ | 59E | - | 307 |
| 5 | CRO – 3 | 14 | 70E | 211 | 63E | 19 | 305 |
| 6 | CAO – 7 | -15 | 28W | 309 | 31W | 3.5 | 293 |
| 7 | BXI – 12 | -24 | 25W | 306 | 28W | 6 | 303 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.