Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 October 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)
- 20
- Relative number (R)
- 40
- Observer
- TK
- Reading
- all checks consistent
- File
- 19931012.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 14 | 65E | 45 | 63E | 1.5 | 251 |
| 2 | EKO – 19 | -21 | 27E | 83 | 25E | 10.5 | 250 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.