Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 July 1967
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)
- 8
- Number of spots (f)
- 29
- Relative number (R)
- 109
- Observer
- DK
- Reading
- all checks consistent
- File
- 19670704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 4 | 18 | 08E | 53 | |||
| 2 | J – 1 | 17 | 77E | 344 | |||
| 3 | J – 2 | -23 | 45E | 16 | |||
| 4 | A – 1 | -23 | 40E | 21 | |||
| 5 | J – 3 | -16 | 26E | 35 | |||
| 6 | D – 13 | -23 | 0 | 61 | |||
| 7 | J – 2 | 15 | 70W | 131 | |||
| 8 | H – 3 | 24 | 46W | 107 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.