Daily Sunspot Evaluation
Observation Sheet Monday, 1 March 1993
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)
- 4
- Number of spots (f)
- 46
- Relative number (R)
- 86
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19930301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 18 | 70W | 274 | 73W | 1.5 | 52 |
| 2 | EAO – 11 | 13 | 35W | 239 | 38W | 13.5 | 47 |
| 3 | EAC – 27 | 10 | 22E | 182 | 19E | 10 | 51 |
| 4 | HA – 7 | -13 | 15W | 219 | 18W | 3.5 | 50 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.