Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 March 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)
- 16
- Relative number (R)
- 46
- Observer
- MS
- Reading
- all checks consistent
- File
- 20050315.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | 9 | 74W | 202 | 76W | 8 | |
| 2 | EAO – 12 | -6 | 30W | 158 | 32W | 11 | |
| 3 | HH – 2 | -7 | 05E | 123 | 03E | 23 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.