Daily Sunspot Evaluation
Observation Sheet Friday, 12 March 2004
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)
- 21
- Relative number (R)
- 51
- Observer
- HE
- Reading
- all checks consistent
- File
- 20040312.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 5 | 18 | 01E | 302 | 01E | 4 | 38 |
| 2 | FKO – 15 | -15 | 00 | 303 | 00 | 17 | 37 |
| 3 | ? – 1 | -13 | 77E | 226 | 77E | 1 | 39 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.