Daily Sunspot Evaluation
Observation Sheet Tuesday, 17 May 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)
- 24
- Relative number (R)
- 44
- Observer
- MS
- Reading
- all checks consistent
- File
- 20050517.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 3 | 12 | 40W | 56 | 42W | ~5 | |
| 2 | EAO – 21 | -16 | 01W | 17 | 03W | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.