Daily Sunspot Evaluation
Observation Sheet Monday, 23 April 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)
- 7
- Number of spots (f)
- 38
- Relative number (R)
- 108
- Observer
- GA
- Reading
- all checks consistent
- File
- 19790423.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 14 | 22 | 36E | 7 | 33E | 231 | |
| 2 | E – 6 | 21 | 72E | 331 | 69E | 234 | |
| 3 | ? – 3 | -23 | 83E | 320 | 80E | 237 | |
| 4 | A – 1 | -18 | 24E | 19 | 21E | 235 | |
| 5 | C – 6 | 16 | 61W | 104 | 64W | 233 | |
| 6 | D – 1 | 27 | 74W | 117 | 77W | 236 | |
| 7 | C – 7 | 6 | 05W | 48 | 08W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.