Daily Sunspot Evaluation
Observation Sheet Tuesday, 28 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)
- 9
- Number of spots (f)
- 88
- Relative number (R)
- 178
- Observer
- HM
- Reading
- all checks consistent
- File
- 19790828.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 24 | 60E | 102 | 58E | 172 | |
| 2 | E – 10 | 18 | 65E | 97 | 63E | 170 | |
| 3 | J – 5 | -27 | 30E | 132 | 28E | 167 | |
| 4 | J – 1 | -21 | 13E | 149 | 11E | 166 | |
| 5 | A – 1 | -27 | 03W | 165 | 05W | 173 | |
| 6 | E – 10 | -32 | 27W | 189 | 29W | 160 | |
| 7 | A – 2 | -13 | 61W | 223 | 63W | 155 | |
| 8 | E – 44 | 7 | 30W | 192 | 32W | 157 | |
| 9 | H – 14 | 19 | 19W | 181 | 21W | 165 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.