Daily Sunspot Evaluation
Observation Sheet Saturday, 23 January 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)
- 3
- Number of spots (f)
- 8
- Relative number (R)
- 38
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19930123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 14 | 25W | 303 ⚠ | 31W | 2.5 | 19 |
| 2 | CAO – 5 | -14 | 21E | 309 ⚠ | 19E | 3.5 | 18 |
| 3 | HR – 2 | -7 | 5SE | 275 | 5SE | 1 | 20 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.