Daily Sunspot Evaluation
Observation Sheet Sunday, 6 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)
- 13
- Number of spots (f)
- 92
- Relative number (R)
- 222
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19700906.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 8 | 22 | 27E | 202 | |||
| 2 | J – 4 | 23 | 40E | 189 | |||
| 3 | J – 1 | 10 | 36E | 193 | |||
| 4 | ? – 1 | -16 | 78E | 151 | |||
| 5 | A – 1 | -7 | 34E | 195 | |||
| 6 | C – 6 | -12 | 40E | 189 | |||
| 7 | C – 6 | -21 | 14W | 243 | |||
| 8 | B – 5 | -28 | 20W | 240 ⚠ | |||
| 9 | A – 2 | -14 | 36W | 265 | |||
| 10 | A – 2 | -5 | 33W | 262 | |||
| 11 | D – 12 | 18 | 33W | 262 | |||
| 12 | F – 41 | 17 | 14W | 243 | |||
| 13 | J – 3 | 22 | 44W | 273 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.