Daily Sunspot Evaluation
Observation Sheet Saturday, 5 September 1970
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)
- 103
- Relative number (R)
- 203
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700905.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 57 | 18 | 0 | 240 | |||
| 2 | H – 10 | 23 | 41E | 201 | |||
| 3 | J – 3 | 23 | 53E | 189 | |||
| 4 | J – 1 | 10 | 50E | 192 | |||
| 5 | A – 5 | -7 | 50E | 192 | |||
| 6 | A – 3 | -14 | 23W | 265 | |||
| 7 | B – 7 | -4 | 19W | 261 | |||
| 8 | A – 1 | 12 | 71W | 313 | |||
| 9 | C – 14 | 18 | 19W | 261 | |||
| 10 | H – 2 | 2 | 32W | 274 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.