Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 October 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)
- 9
- Number of spots (f)
- 75
- Relative number (R)
- 165
- Observer
- MA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19701014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 17 | 54E | 33 | |||
| 2 | J – 5 | 10 | 39E | 48 | |||
| 3 | E – 26 | 4 | 29E | 58 | |||
| 4 | C – 8 | -13 | 48E | 44 ⚠ | |||
| 5 | A – 4 | -9 | 29E | 58 | |||
| 6 | B – 6 | -10 | 05W | 38 ⚠ | |||
| 7 | C – 9 | -13 | 32W | 119 | |||
| 8 | D – 8 | 13 | 40W | 127 | |||
| 9 | B – 7 | 20 | 30W | 117 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.