Daily Sunspot Evaluation
Observation Sheet Monday, 16 July 1979
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)
- 58
- Relative number (R)
- 138
- Observer
- HM
- Reading
- all checks consistent
- File
- 19790716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 19 | 30 | 40E | 332 | 37E | 92 | |
| 2 | D – 4 | -3 | 72E | 300 | 69E | 96 | |
| 3 | D – 23 | -28 | 20E | 352 | 17E | 93 | |
| 4 | A – 2 | -26 | 37W | 49 | 40W | 98 | |
| 5 | ? – 1 | -19 | 80W | 91 | 83W | 75 | |
| 6 | D – 4 | 10 | 33W | 45 | 36W | 91 | |
| 7 | ? – 1 | 15 | 82W | 94 | 85W | 74 | |
| 8 | A – 4 | 27 | 57W | 69 | 60W | 83 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.