Daily Sunspot Evaluation
Observation Sheet Monday, 16 February 1959
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)
- 10
- Number of spots (f)
- 73
- Relative number (R)
- 173
- Observer
- KA
- Reading
- all checks consistent
- File
- 19590216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 12 | 29E | ||||
| 2 | J – 4 | 8 | 31E | ||||
| 3 | C – 6 | 12 | 44E | ||||
| 4 | H – 4 | 8 | 43E | ||||
| 5 | E – 7 | 18 | 66E | ||||
| 6 | H – 1 | 11 | 75E | ||||
| 7 | A – 1 | -35 | 1E | ||||
| 8 | A – 1 | -10 | 33W | ||||
| 9 | A – 1 | 25 | 40W | ||||
| 10 | E – 44 | 8 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.