Daily Sunspot Evaluation
Observation Sheet Sunday, 12 June 2005
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)
- 3
- Number of spots (f)
- 32
- Relative number (R)
- 62
- Observer
- MB
- Reading
- all checks consistent
- File
- 20050612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 7 | 10 | 22W | 55 | 25W | 5 | |
| 2 | HR – 2 | -15 | 58W | 91 | 61W | ~1.5 | |
| 3 | DKI – 23 | -6 | 11W | 44 | 14W | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.