Daily Sunspot Evaluation
Observation Sheet Monday, 27 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)
- 10
- Number of spots (f)
- 120
- Relative number (R)
- 220
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790827.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 24 | 74E | 103 | 71E | 172 | |
| 2 | ? – 4 | 17 | 76E | 101 | 73E | 170 | |
| 3 | H – 4 | -27 | 44E | 133 | 41E | 167 | |
| 4 | J – 1 | -21 | 27E | 150 | 24E | 166 | |
| 5 | A – 3 | -21 | 14E | 163 | 41E | 168 | |
| 6 | E – 17 | -32 | 13W | 190 | 16W | 160 | |
| 7 | B – 4 | -10 | 14W | 191 | 17W | 163 | |
| 8 | A – 1 | -13 | 48W | 225 | 51W | 155 | |
| 9 | E – 61 | 7 | 16W | 193 | 19W | 157 | |
| 10 | H – 24 | 19 | 05W | 182 | 08W | 165 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.