Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 June 1977
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)
- 3
- Number of spots (f)
- 28
- Relative number (R)
- 58
- Observer
- GA
- Reading
- all checks consistent
- File
- 19770607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -22 | 77E | 6 | 74E | ||
| 2 | D – 22 | -25 | 18E | 65 | 15E | ||
| 3 | ? – 5 | 20 | 61W | 144 | 64W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.