Daily Sunspot Evaluation
Observation Sheet Saturday, 22 September 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)
- 12
- Number of spots (f)
- 92
- Relative number (R)
- 212
- Observer
- SM
- Reading
- all checks consistent
- File
- 19790922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 18 | 27 | 29E | 164 | 27E | 214 | |
| 2 | C – 4 | 17 | 66E | 127 | 64E | 222 | |
| 3 | H – 1 | 14 | 81E | 112 | 79E | 224 | |
| 4 | F – 35 | 6 | 02E | 191 | 211 | ||
| 5 | B – 2 | 13 | 27E | 166 | 25E | 218 | |
| 6 | A – 3 | -13 | 42E | 151 | 40E | 225 | |
| 7 | D – 8 | -20 | 28E | 165 | 26E | 216 | |
| 8 | A – 4 | -12 | 21E | 172 | 19E | 215 | |
| 9 | A – 6 | -21 | 01W | 194 | 03W | 212 | |
| 10 | B – 5 | -8 | 07W | 200 | 09W | 219 | |
| 11 | Z – 4 | -26 | 73W | 266 | 75W | 200 | |
| 12 | A – 2 | -17 | 46W | 239 | 48W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.