Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 January 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)
- 15
- Number of spots (f)
- 81
- Relative number (R)
- 231
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790130.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 6 | 23 | 54E | 2 | 53E | 73 | |
| 2 | D – 2 | 24 | 63E | 353 | 62E | 78 | |
| 3 | D – 1 | 17 | 47E | 8 | 46E | 74 | |
| 4 | A – 2 | 16 | 63E | 353 | 62E | 79 | |
| 5 | E – 17 | 10 | 57E | 359 | 56E | 72 | |
| 6 | ? – 6 | -11 | 78E | 339 | 77E | 77 | |
| 7 | A – 1 | -30 | 12E | 44 | 11E | 76 | |
| 8 | H – 5 | -25 | 21W | 77 | 22W | 54 | |
| 9 | C – 12 | -28 | 31W | 87 | 32W | 69 | |
| 10 | H – 1 | -27 | 39W | 95 | 40W | 55 | |
| 11 | ? – 4 | -29 | 83W | 139 | 84W | 50 | |
| 12 | C – 15 | -15 | 53W | 109 | 54W | 57 | |
| 13 | D – 1 | 7 | 79W | 135 | 80W | 48 | |
| 14 | ? – 1 | 17 | 78W | 134 | 79W | 58 | |
| 15 | H – 7 | 19 | 57W | 113 | 58W | 46 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.