Daily Sunspot Evaluation
Observation Sheet Sunday, 18 September 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)
- 2
- Number of spots (f)
- 11
- Relative number (R)
- 31
- Observer
- TA
- Reading
- all checks consistent
- File
- 19940918.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKO – 9 | 12 | 02E | 283 | 04E | 5 | 146 |
| 2 | MX – 2 | -6 | 65W | 355 | 68W | 2 | 149 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.