Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 September 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)
- 8
- Number of spots (f)
- 52
- Relative number (R)
- 132
- Observer
- HE
- Reading
- all checks consistent
- File
- 19920916.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 33 | 16 | 3PW | 260 | 32W | 7 | 320 |
| 2 | AX – 3 | 11 | 27W | 256 | 28W | 2 | 334 |
| 3 | HR – 4 | 10 | 03E | 226 | 02G | 1.5 | 333 |
| 4 | DAO – 4 | -19 | 67W | 296 | 68W | 10 | 321 |
| 5 | HS – 2 | -14 | 07E | 222 | 66E | 1.5 | 324 |
| 6 | AX – 4 | -12 | 20E | 209 | 19E | 2.5 | 332 |
| 7 | AX – 1 | -5 | 62E | 167 | 61E | - | 331 |
| 8 | HA – 1 | -15 | 65E | 164 | 64E | 2 | 330 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.