Daily Sunspot Evaluation
Observation Sheet Friday, 10 August 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)
- 46
- Relative number (R)
- 126
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790810.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 16 | 08E | 33 | 05E | 139 | |
| 2 | D – 11 | 27 | 37E | 4 | 34E | 135 | |
| 3 | H – 17 | 15 | 49E | 352 | 46E | 136 | |
| 4 | A – 2 | -24 | 52E | 349 | 49E | 143 | |
| 5 | J – 1 | -15 | 13E | 28 | 10E | 137 | |
| 6 | C – 10 | -26 | 13E | 28 | 10E | 133 | |
| 7 | A – 1 | -18 | 76W | 117 | 79W | 142 | |
| 8 | A – 2 | 11 | 09W | 50 | 12W | 130 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.