Daily Sunspot Evaluation
Observation Sheet Friday, 18 February 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)
- 9
- Relative number (R)
- 29
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19940218.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | 8 | 58W | 268 | 60W | 4.0 | 28 |
| 2 | HK – 6 | 10 | 20E | 190 | 18E | 6 | 26 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.