Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 July 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)
- 4
- Number of spots (f)
- 21
- Relative number (R)
- 61
- Observer
- GT
- Reading
- all checks consistent
- File
- 19770705.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 19 | 40E | 32 | 37E | ||
| 2 | D – 1 | -19 | 72E | 0 | 69E | ||
| 3 | H – 4 | 13 | 74W | 146 | 79W | ||
| 4 | E – 14 | 32 | 60W | 132 | 63W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.