Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 46
- Relative number (R)
- 136
- Observer
- GT
- Reading
- all checks consistent
- File
- 19790224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 37 | 22E | 65 | 20E | 116 | |
| 2 | B – 5 | 12 | 12E | 75 | 10E | 119 | |
| 3 | A – 1 | -19 | 71E | 16 | 69E | 118 | |
| 4 | J – 1 | -25 | 17E | 70 | 45E | 114 | |
| 5 | J – 2 | -25 | 02E | 85 | 00 | 112 | |
| 6 | C – 16 | -19 | 07W | 94 | 09W | 120 | |
| 7 | J – 2 | -28 | 44W | 131 | 46W | 108 | |
| 8 | A – 4 | -23 | 38W | 125 | 40W | 121 | |
| 9 | E – 13 | 16 | 64W | 151 | 66W | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.