Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 12
- Number of spots (f)
- 55
- Relative number (R)
- 175
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590307.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 8 | 3E | ||||
| 2 | J – 1 | 25 | 27E | ||||
| 3 | J – 2 | 23 | 42E | ||||
| 4 | J – 1 | 17 | 80E | ||||
| 5 | J – 1 | 8 | 68E | ||||
| 6 | A – 1 | -14 | 63E | ||||
| 7 | F – 14 | -10 | 1E | ||||
| 8 | B – 2 | -16 | 20W | ||||
| 9 | B – 6 | -17 | 28W | ||||
| 10 | B – 9 | 9 | 54W | ||||
| 11 | C – 13 | 14 | 28W | ||||
| 12 | A – 3 | 24 | 31W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.