Daily Sunspot Evaluation
Observation Sheet Saturday, 23 June 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)
- 31
- Relative number (R)
- 121
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790623.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 26 | 66E | 251 | 62E | 44 | |
| 2 | J – 2 | -11 | 53E | 264 | 49E | 42 | |
| 3 | G – 8 | -6 | 11E | 306 | 07E | 38 | |
| 4 | B – 5 | -28 | 27E | 290 | 23E | 33 | |
| 5 | C – 3 | -24 | 07W | 324 | 11W | 41 | |
| 6 | C – 7 | -20 | 08W | 325 | 12W | 45 | |
| 7 | A – 1 | 13 | 41W | 358 | 45W | 33 | |
| 8 | J – 1 | 22 | 75W | 32 | 79W | 23 | |
| 9 | J – 1 | 19 | 04W | 321 | 08W | 37 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.