Daily Sunspot Evaluation
Observation Sheet Monday, 1 February 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)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19930201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -12 | 85W | 294 | 87W | - | 27 |
| 2 | CSI – 4 | -16 | 21E | 191 | 19E | 3.5 | 26 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.