Daily Sunspot Evaluation
Observation Sheet Friday, 2 February 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)
- 9
- Number of spots (f)
- 66
- Relative number (R)
- 156
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 15 | 08E | 10 | 05E | 74 | |
| 2 | D – 6 | 21 | 15E | 3 | 12E | 73 | |
| 3 | A – 1 | 6 | 10E | 8 | 07E | 83 | |
| 4 | E – 19 | 7 | 17E | 1 | 14E | 72 | |
| 5 | A – 1 | 13 | 19E | 359 | 16E | 79 | |
| 6 | E – 35 | -13 | 39E | 339 | 36E | 77 | |
| 7 | D – 1 | -18 | 53E | 325 | 50E | 80 | |
| 8 | H – 1 | -25 | 61W | 79 | 64W | 54 | |
| 9 | D – 1 | -26 | 76W | 94 | 79W | 55 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.