Daily Sunspot Evaluation
Observation Sheet Monday, 25 June 1990
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)
- 6
- Number of spots (f)
- 46
- Relative number (R)
- 106
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19900625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 27 | 27E | 146 | 28E | 2 | 262 |
| 2 | AX – 1 | 5 | 60E | 113 | 61E | - | 269 |
| 3 | CAI – 16 | -8 | 08W | 181 | 07W | 5 | 264 |
| 4 | AR – 4 | -8 | 09E | 164 | 10E | 3.5 | 270 |
| 5 | AX – 3 | -17 | 32E | 141 | 33E | 0.5 | 265 |
| 6 | FKI – 21 | -22 | 52E | 121 | 53E | 19 | 266 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.