Daily Sunspot Evaluation
Observation Sheet Monday, 15 August 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)
- 2
- Number of spots (f)
- 19
- Relative number (R)
- 39
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20050815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 18 | -14 | 09E | 254 | 09E | 7 | |
| 2 | HR – 1 | -9 | 46E | 217 | 46E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.