Daily Sunspot Evaluation
Observation Sheet Thursday, 6 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)
- 13
- Number of spots (f)
- 64
- Relative number (R)
- 194
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670706.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 13 | 24 | 45E | 349 | |||
| 2 | J – 3 | 18 | 44E | 350 | |||
| 3 | A – 1 | -23 | 16E | 18 | |||
| 4 | J – 2 | -16 | 4W | 38 | |||
| 5 | E – 22 | -23 | 29W | 63 | |||
| 6 | ? – 3 | 24 | 70W | 104 | |||
| 7 | A – 4 | 13 | 24W | 58 | |||
| 8 | ? – 1 | 28 | 78W | 112 | |||
| 9 | B – 7 | 15 | 23W | 57 | |||
| 10 | A – 2 | 26 | 60W | 94 | |||
| 11 | B – 2 | 11 | 9W | 43 | |||
| 12 | H – 3 | 19 | 20W | 54 | |||
| 13 | A – 1 | 19 | 15W | 49 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.