Daily Sunspot Evaluation
Observation Sheet Monday, 3 August 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)
- 5
- Number of spots (f)
- 29
- Relative number (R)
- 79
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 8 | 13 | 23E | 295 | |||
| 2 | J – 1 | 17 | 61E | 257 | |||
| 3 | H – 4 | -10 | 13W | 331 | |||
| 4 | H – 8 | -10 | 38W | 356 | |||
| 5 | G – 8 | 5 | 67W | 25 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.