Daily Sunspot Evaluation
Observation Sheet Thursday, 16 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)
- 4
- Number of spots (f)
- 24
- Relative number (R)
- 64
- Observer
- TG
- Reading
- all checks consistent
- File
- 20050616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 9 | 75W | 55 | 78W | ~3 | |
| 2 | AX – 1 | 7 | 41W | 21 | 44W | - | |
| 3 | HK – 1 | -7 | 66W | 46 | 69W | ~4 | |
| 4 | DAO – 21 | -17 | 06E | 334 | 03E | ~9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.