Daily Sunspot Evaluation
Observation Sheet Tuesday, 14 July 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)
- 7
- Number of spots (f)
- 53
- Relative number (R)
- 123
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 22 | 18 | 20E | 202 | |||
| 2 | A – 2 | 15 | 46E | 176 | |||
| 3 | A – 2 | -13 | 62E | 160 | |||
| 4 | D – 12 | -17 | 26E | 196 | |||
| 5 | J – 2 | 17 | 42W | 264 | |||
| 6 | B – 7 | 15 | 13W | 235 | |||
| 7 | C – 6 | 17 | 07W | 229 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.