Daily Sunspot Evaluation
Observation Sheet Saturday, 30 July 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)
- 27
- Relative number (R)
- 57
- Observer
- MS
- Reading
- all checks consistent
- File
- 20050730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 14 | 39W | 156 | 41W | √2 | |
| 2 | DAO – 10 | 14 | 07E | 110 | 05E | √8 | |
| 3 | DKC – 15 | 10 | 60E | 57 | 58E | √75 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.