Daily Sunspot Evaluation
Observation Sheet Thursday, 17 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)
- 4
- Number of spots (f)
- 16
- Relative number (R)
- 56
- Observer
- TA
- Reading
- all checks consistent
- File
- 19940217.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 8 | 58W | 282 | 61W | 5 | 25 |
| 2 | BXO – 3 | 8 | 42W | 266 | 45W | 3.5 | 28 |
| 3 | BXO – 3 | 8 | 16E | 208 | 13E | 4 | 27 |
| 4 | BXO – 6 | 10 | 30E | 194 | 23E | 13.5 | 26 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.