Daily Sunspot Evaluation
Observation Sheet Sunday, 7 May 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)
- 6
- Number of spots (f)
- 13
- Relative number (R)
- 73
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670507.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 21 | 1E | 107 | |||
| 2 | C – 6 | -13 | 48W | 156 | |||
| 3 | ? – 1 | -17 | 72W | 180 | |||
| 4 | ? – 1 | 16 | 80W | 188 | |||
| 5 | ? – 1 | 19 | 75W | 183 | |||
| 6 | A – 1 | 16 | 1W | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.