Daily Sunspot Evaluation
Observation Sheet Saturday, 25 June 1983
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)
- 83
- Relative number (R)
- 183
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 14 | 72W | 158 | 75W | 158 | |
| 2 | DKC – 28 | 13 | 36W | 122 | 39W | 9 | 164 |
| 3 | DKI – 27 | 16 | 20W | 106 | 23W | 11 | 165 |
| 4 | CAI – 7 | 17 | 05W | 91 | 08W | 9.5 | 167 |
| 5 | BRO – 2 | 12 | 10E | 76 | 07E | 3.5 | 172 |
| 6 | BRC – 3 | 3 | 48E | 38 | 45E | 4 | 173 |
| 7 | DAI – 5 | -12 | 72W | 158 | 75W | 6.5 | 162 |
| 8 | BXO – 2 | -3 | 56W | 142 | 59W | 3 | 175 |
| 9 | BXO – 2 | -8 | 47W | 133 | 50W | 3.75 | 176 |
| 10 | CAI – 6 | -8 | 12E | 74 | 09E | 4 | 169 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.