Daily Sunspot Evaluation
Observation Sheet Sunday, 1 March 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)
- 14
- Number of spots (f)
- 80
- Relative number (R)
- 220
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590301.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 16 | 40E | ||||
| 2 | A – 5 | 27 | 66E | ||||
| 3 | J – 1 | 11 | 41E | ||||
| 4 | J – 2 | 12 | 50E | ||||
| 5 | C – 8 | -2 | 41E | ||||
| 6 | J – 3 | -6 | 4E | ||||
| 7 | B – 6 | -10 | 10E | ||||
| 8 | A – 1 | -32 | 35W | ||||
| 9 | J – 1 | -34 | 45W | ||||
| 10 | C – 5 | 17 | 63W | ||||
| 11 | C – 3 | 21 | 64W | ||||
| 12 | A – 2 | 12 | 29W | ||||
| 13 | A – 7 | 17 | 34W | ||||
| 14 | F – 33 | 23 | 36W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.