Daily Sunspot Evaluation
Observation Sheet Friday, 11 March 1994
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)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Observer
- HE
- Reading
- all checks consistent
- File
- 19940311.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 18 | 68E | 226 | 65E | 0.5 | 41 |
| 2 | DRO – 7 | -9 | 48W | 342 | 51W | 6 | 37 |
| 3 | AX – 1 | -12 | 28W | 322 | 31W | - | 42 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.