Daily Sunspot Evaluation
Observation Sheet Thursday, 19 March 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)
- 6
- Number of spots (f)
- 24
- Relative number (R)
- 84
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19920319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | 4 | 49E | 54 | 43E | 4 | 136 |
| 2 | DRO – 8 | 3 | 60E | 43 | 58E | 7 | 135 |
| 3 | AX – 1 | 6 | 61E | 42 | 59E | - | 134 |
| 4 | HR – 1 | -14 | 45W | 148 | 49W | 0.5 | 125 |
| 5 | CAO – 6 | -17 | 34W | 137 | 36W | 8 | 124 |
| 6 | CAO – 5 | -26 | 34W | 137 | 36W | 7 | 123 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.