Daily Sunspot Evaluation
Observation Sheet Thursday, 4 June 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)
- 29
- Relative number (R)
- 99
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19920604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | 13 | 29W | 196 | 32W | 6 | 225 |
| 2 | CRO – 4 | 3 | 27E | 140 | 29E | 3.5 | 229 |
| 3 | DKI – 9 | 9 | 53E | 114 | 50E | 9 | 226 E |
| 4 | AX – 2 | 8 | 62E | 105 | 59E | 2.5 | 227 |
| 5 | ? – 1 | 9 | 80E | 87 | 77E | - | 231 |
| 6 | HA – 4 | -27 | 21E | 146 | 18E | 2 | 224 |
| 7 | CRO – 5 | -9 | 53E | 114 | 50E | 7.5 | 228 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.